The biggest effect of electing so many public officials is that it can be difficult for voters to make informed decisions.
With so many candidates to choose from, voters may not have the time or resources to thoroughly research each candidate and their qualifications. This can lead to uninformed voting, where voters may simply choose a candidate based on their name recognition, party affiliation, or other superficial factors.
Additionally, contested elections can also lead to an increase in negative campaigning and attack ads, which can further cloud voters' perceptions of the candidates and the issues at stake. Ultimately, electing a large number of public officials can make it harder for voters to feel confident in their choices and can undermine the democratic process.
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In 1995, 57. 5% of students at Gardiner university graduated in 4 or fewer years of study. In 2009, that number had fallen to 52. 8%. What was the rate of change for percent of students graduating within 4 years from 1995 to 2009.
The percent rate of change of students graduating within 4 years from 1995 to 2009 = 8.17%
Here, the percent of studenst graduated in 1995 = 57. 5%
and the percent of studenst graduated in 2009 = 52. 8%
First we find the relative change.
Let a represents the initial value and b represents the findal value
a = 57.5 and b = 52.8
so, the relative rate of change of students would be,
r = (b - a)/a
r = |(52.8 - 57.5)| / 57.5
r = 0.0817
And the percent rate of change of students graduating within 4 years from 1995 to 2009 would be,
p = r × 100
p = 0.0817 × 100
p = 8.17%
Therefore, the required percent is 8.17%
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g A region is prone to flooding once every 20 years. If the probability of flooding in that region any one year is >o. What is the probabilit, of not flooding the next year
As the probability of flooding any given year is 0.05, the probability of not flooding in the next year is 0.95 or 95%.
The probability of flooding in a region once every 20 years means that the probability of flooding any given year is 1/20 or 0.05.
Given that the probability of flooding in any one year is greater than zero, we know that the probability of not flooding is less than 1.
To find the probability of not flooding the next year, we need to use the complement rule, which states that the probability of an event occurring plus the probability of that event not occurring equals 1. Therefore, the probability of not flooding the next year is 1 - the probability of flooding in the next year. Since the probability of flooding any given year is 0.05, the probability of not flooding in the next year is 1 - 0.05 = 0.95 or 95%. This means that there is a 95% chance that the region will not experience flooding in the next year.However, it's important to note that this probability only holds true if the assumption that the region is prone to flooding once every 20 years remains constant. If there are any changes in the weather patterns or the region's geography, the probability of flooding can change.Know more about the the probability
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since we are comparing more than 2 groups, we will use anova to test whether the data provide evidence that sat score is related to study strategy. one of the conditions that allows us to use anova safely is that of equal (population) standard deviations. can we assume that this condition is met in this case?
Answer: To determine whether the condition of equal standard deviations is met in this case, we can perform a quick check by comparing the sample standard deviations of each group. If the sample standard deviations are roughly equal, then we can assume that the condition of equal standard deviations is met.
Alternatively, we can use Levene's test for equality of variances, which tests the null hypothesis that the population variances are equal across all groups. If the p-value of the test is greater than the significance level (usually 0.05), then we can assume that the condition of equal standard deviations is met.
Without the data or the sample standard deviations, it is not possible to determine whether the condition of equal standard deviations is met in this case.
Step-by-step explanation:
Pls help it due tomorrow
The slant height of the Teepee is 32.76 feet.
The square footage of one of the rooms is 44 square feet.
How to find the slant height of the Teepee?Check the attached for the sketch of the cone. From the image, the slant height is labelled l. Note that the base diameter is 14 feet, so the base radius will be 7 feet.
(a) Thus, the slant height can be found by considering one of the right triangles in the cone. That is:
l² = 32² + 7² (Pythagoras Theorem)
l² = 1024 + 49
l = √1073
l = 32.76 feet
(b) The shape of base is a circle.
Area of circle = πd
where d is the base diameter
Area of circle = 22/7 * 14
Area of circle = 44 square feet
Thus, the square footage of one of the rooms is 44 square feet
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For Exercises 16-18, use the following information. Brian invests $200 in an
account that pays 5% annual interest compounded continuously.
16. Write a function that models the amount y in the account after x years.
17. Write the domain and range using inequalities. Explain their meaning in this context.
18. How much will Brian have in the account after 8 years?
1. The function that models the amount in the account after x years is [tex]y(x) = 200e^{0.05t}[/tex]
2. The domain is [tex]x > = 0[/tex]. The range is [tex]y > = 200[/tex]
3. After 8 years, Brian will have $298.37 in the account.
How much money will Brian have after x years?Function defines a relationship between one variable (the independent variable) and another variable (the dependent variable).
The formula for continuous compounding is [tex]A = Pe^{rt}[/tex] where the A is the amount, P is the principal, e is Euler's number, r is the annual interest rate and t is the time in years.
Data:
A = ?
P = 200
t = ?
r = 5% = 0.05
Plugging in the values, we get: [tex]A = 200e^{0.05t}[/tex]which is the function.
2. The domain of the function is x >= 0 which means the number of years must be non-negative.
The range of the function is y >= 200 since the amount in the account cannot be negative and it starts with an initial investment of $200.
3. To get amount in the account after 8 years, we will plug in x = 8 into the formula:
[tex]y = 200 * e^{0.05*8}\\y = 200 * 1.49182469764\\y = 298.364939528\\ y = $298.37.[/tex]
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state the modal numbers
1,2,3,4,5,6,7
Answer:
there is no Modal number because all the numbers appears only once
What is the polynomial factor for X4-36
Answer:
(2x+6),(2x-6)
Step-by-step explanation:
This instance is DOTS or the difference of 2 squares so (2x+6),(2x-6). it states [tex]a^{2} - b^{2} = (a+b)(a-b)[/tex]
Order the following numbers from biggest to smallest. Explain your method. 0,012 SV 0,637 0,125 0,01 0,9 0,871 0,925 0,87 0,62 (C)
Answer:
The numbers in order from biggest to smallest are: 0.925, 0.9, 0.871, 0.87, 0.637, 0.62, 0.125, 0.012, and 0.01.
Step-by-step explanation:
To order these numbers from biggest to smallest, I compared the digits in each decimal place starting from the tenths place. For example, the number with the largest digit in the tenths place is 0.9. If two or more numbers have the same digit in the tenths place, I then compared the digits in the hundredths place and so on until I found which number was larger.
Compare the age of the earth to the age of the oldest known rocks found
The Earth is estimated to be around 4.54 billion years old, while the oldest known rocks found on Earth date back to about 4 billion years ago.
Determining the age of the Earth is a complex process that involves a variety of scientific disciplines. Geologists and other scientists have used a variety of methods to estimate the age of the planet, including radiometric dating, which involves measuring the decay of radioactive isotopes in rocks and other materials.
The age of the oldest known rocks found on Earth has also been determined using radiometric dating techniques. These rocks, which are primarily found in Western Greenland, have been dated to around 3.8 to 4.0 billion years old. The rocks are believed to have formed during the Hadean Eon, a period of Earth's history when the planet was still in its early stages of formation and was subject to intense meteorite bombardment.
It's important to note that the age of the Earth and the age of the oldest known rocks found on its surface are not precise measurements.
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Suppose a charity received a donation of 29.9 million. If this represents 43% of the charity's donated funds, what is the total amount of its donated funds?
ch of the following tables represents a relation that is a function? x y 3 −2 3 −1 3 0 3 2 3 2 x y −3 3 −1 3 0 3 0 −3 2 3 x y −4 −3 −3 1 −2 −4 1 1 1 −2 x y −2 0 −1 2 0 1 2 0 5 2
The table that shows a relation that represents a function is: table D in the options given.
What is a Relation that is a Function?To determine if a relation is a function, we need to check if each value of x corresponds to a unique value of y.
A. In this relation, x = 3 is paired with two different values of y (-2 and -1) which means this relation is not a function.
B. In this relation, each value of x does not corresponds to only one value of y, so this relation is not a function.
C. In this relation, -3 and 1 are paired with two different values of y (-3 and 1), which means this relation is not a function.
D. In this relation, each value of x corresponds to only one value of y, so this relation is a function.
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8,643 rounded to the nearest hundred
Answer:
Step-by-step explanation:
8600
Answer:
8,600
Step-by-step explanation:
"nearest hundred", meaning 643 and since the tens place is under 50 it is closer to 600 then 700 making it 8,600
The link between dopamine and schizophrenia is supported by the finding that:A) lower dopamine activity helps remove schizophrenic symptoms.B) the use of L-dopa can reduce schizophrenic symptoms.C) antipsychotic drugs can block Parkinsonian symptoms.D) dopamine-receiving synapses in persons with schizophrenia are apparently inactive.
B) the use of L-dopa can reduce schizophrenic symptoms.
There is evidence to suggest that schizophrenia that has association with an overactive dopamine system in certain parts of the brain.
L-dopa is a medication commonly used to treat Parkinson's disease, which is characterized by low dopamine levels. However, studies have shown that L-dopa can also reduce symptoms of schizophrenia, providing further support for the link between dopamine and this disorder.
Option A is incorrect as lower dopamine activity is not associated with the removal of schizophrenic symptoms.
Option C is incorrect as antipsychotic drugs are used to treat symptoms of schizophrenia, not Parkinsonian symptoms. Option D is incorrect as the research on dopamine-receiving synapses in persons with schizophrenia is still ongoing and there is no clear consensus on their activity levels.
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The link between dopamine and schizophrenia is supported by the finding that The use of L-dopa can reduce schizophrenic symptoms. So the correct option is B .
There is evidence to suggest that schizophrenia that has association with an overactive dopamine system in certain parts of the brain.
L-dopa is a medication commonly used to treat Parkinson's disease, which is characterized by low dopamine levels. However, studies have shown that L-dopa can also reduce symptoms of schizophrenia, providing further support for the link between dopamine and this disorder.
Option A is incorrect as lower dopamine activity is not associated with the removal of schizophrenic symptoms.
Option C is incorrect as antipsychotic drugs are used to treat symptoms of schizophrenia, not Parkinsonian symptoms. Option D is incorrect as the research on dopamine-receiving synapses in persons with schizophrenia is still ongoing and there is no clear consensus on their activity levels.
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What is the domain and range of each relation?
Answer:
Table:
Domain: {-1, 3, 6}
Range: {4, 5, 6}
Set of coordinates:
Domain: {-4, -3, 1}
Range: {1, 3, 4}
Part A--What is the measure of angle "a" and how do you know? Use vocabulary words to justify your answer. Show your work. Part B--What is the measure of angle "b" and how do you know? Show your work. Part C--What is the measure of angle "c" and how do you know? Show your work. Two straight lines intersect at a point to form angle a. The measure of the angle opposite to angle a is 30 degrees. Angle a is the angle of a right triangle having another angle equal to b. A triangle with one angle labeled c is on the left of the figure. The angle adjacent to c is labeled 75 degrees
The measure of angle a is 30° , angle b is 60° and angle c is 105° calculated from the properties of angles and of triangle.
When two straight lines intersect each other at some angle, say line AB intersect line CD, then the opposite angles formed by the two lines are called vertically opposite angles. A pair of vertically opposite angles are equal to each other.
Angle a is formed at the intersection of the two straight lines, say AB and CD. The angle opposite to angle is 30°.
Thus from the definition of vertically opposite angles we get,
Angle a = 30° , since pair of vertically opposite angles are equal to each other.
In a right angle triangle one of three angles is 90° and the other two angles are acute angles. The sum of all the angles of a triangle is 180°.
Say ΔMNO is a right angle triangle where angle a is one of the other two acute angles (where angle a = 30°).
The third angle (acute) is b.
Thus from the sum of triangle we get,
Angle a + Angle b + 90° = 180°
⇒ 30° + Angle b + 90° = 180°
⇒ Angle b = 60°
Here angle c is an angle labelled in a triangle (on the left of the previous triangle, say ΔMNO).
Two angles are said to be adjacent angles when they have a common vertex and side. The pair of adjacent angles sum to 180° , that is they are supplementary angles.
The adjacent angle of Angle c is 75°.
Thus, Angle c + 75° = 180°
⇒ Angle c = 105°
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Let pi = P{X = i} and suppose that p1 + p2 + p3 = 1. If E[X] = 2, what values of p1, p2, p3 (a) maximize and (b) minimize Var(X)?
The values of p1, p2, p3 that minimize Var(X) are p1 = 0, p2 = 1/3, and p3 = 2/3.
We can use the following formulas to find the variance of X:
Var(X) = E[X^2] - (E[X])^2
E[X] = p1 + 2p2 + 3p3
E[X^2] = p1 + 4p2 + 9p3
Substituting these expressions into the formula for the variance, we get:
Var(X) = p1 + 4p2 + 9p3 - (p1 + 2p2 + 3p3)^2
Simplifying this expression, we get:
Var(X) = -[tex](p1^2 + 2p2^2 + 3p3^2) + 2p1p2 + 6p1p3 + 4p2p3[/tex]
To maximize Var(X), we want to maximize this expression subject to the constraint p1 + p2 + p3 = 1. We can use Lagrange multipliers to find the maximum. Let:
L(p1, p2, p3, λ) = -[tex](p1^2 + 2p2^2 + 3p3^2) + 2p1p2 + 6p1p3 + 4p2p3 + λ(1 - p1 - p2 - p3)[/tex]
Taking partial derivatives and setting them equal to zero, we get:
-2p1 + 2p2 + 6p3 - λ = 0
4p1 - 4p2 + 4p3 - λ = 0
6p1 + 8p2 - 6p3 - λ = 0
p1 + p2 + p3 = 1
Solving these equations, we get:
p1 = 2/7, p2 = 3/7, p3 = 2/7, λ = 4/7
Therefore, the values of p1, p2, p3 that maximize Var(X) are p1 = 2/7, p2 = 3/7, and p3 = 2/7.
To minimize Var(X), we want to minimize the expression [tex]-(p1^2 + 2p2^2 + 3p3^2) + 2p1p2 + 6p1p3 + 4p2p3[/tex] subject to the constraint p1 + p2 + p3 = 1. We can use the same Lagrange multiplier method to find the minimum. Taking partial derivatives and setting them equal to zero, we get:
-2p1 + 2p2 + 6p3 - λ = 0
4p1 - 4p2 + 4p3 - λ = 0
6p1 + 8p2 - 6p3 - λ = 0
p1 + p2 + p3 = 1
Solving these equations, we get:
p1 = 0, p2 = 1/3, p3 = 2/3, λ = 2/3
Therefore, the values of p1, p2, p3 that minimize Var(X) are p1 = 0, p2 = 1/3, and p3 = 2/3.
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A scale model of a tower is 24 inches. The scale is 1.5 in. : 10 ft. What is the actual height, in feet, of the tower?
The actual height of the tower is 160 feet.
Given that, a scale model of a tower is 24 inches.
The scale is 1.5 inches:10 feet.
We know that, 1 foot = 12 inches
So, the scale 1.5 inches : 120 inches.
The basic formula to find the scale factor of a figure is expressed as,
Scale factor = Dimensions of the new shape ÷ Dimensions of the original shape.
1.5/120 = 24/The actual height of the tower
1.5×The actual height of the tower = 24×120
The actual height of the tower=2880/1.5
= 1920 inches
In feet = 1920/12
= 160 feet
Therefore, the actual height of the tower is 160 feet.
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if you use the normal distribution to estimate the probability that score exceeds 100, would the answer be zero? why does your answer contradict the assumption of a normal distribution for score?
If you use the normal distribution to estimate the probability that score exceeds 100, the answer would be zero.
This is because a normal distribution is a continuous probability distribution, and the probability of any individual score, no matter how high or low, is always zero.
However, this answer contradicts the assumption of a normal distribution for scores because it implies that scores cannot exceed 100, which is not true. Scores can theoretically range from negative infinity to positive infinity, and in practice, there may be some scores above 100, especially if the measurement instrument is imprecise or the test is very difficult.
Therefore, if we observe scores that are higher than 100, it suggests that the assumption of a normal distribution may not be appropriate for the data, and we may need to use a different distribution or statistical model to estimate probabilities or make inferences about the scores.
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Pls answer step by step if possible
From the similar triangle, y=8.7, and x=4
Solving the similar triangleFrom the similar triangle,
First lets find the angle both triangles share
to determine the value , solving on the bigger triangle,
cosθ= adjacent/hypothenus
cosθ= 5/10
cosθ= 0.5
θ= 60
Therefore, to obtain y,
sin 60= y/10
y=10 sin 60
y=8.7
from the smaller triangle,
to determine x
cos 60=2/x
x cos 60=2
x=2/cos60
x= 4.
Therefore, y=8.7, and x=4.
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Yesterday at the school cafeteria 114 students ate the school lunch and 266 students brough home What percentage of students brought a lynch from home?
Answer:
ight, whats good.
To calculate the percentage of students who brought lunch from home, we can use the following formula:
Percentage = (Number of students who brought lunch from home / Total number of students) * 100
Given:
Number of students who ate school lunch = 114
Number of students who brought lunch from home = 266
Total number of students = Number of students who ate school lunch + Number of students who brought lunch from home = 114 + 266 = 380
Plugging in these values into the formula:
Percentage = (266 / 380) * 100 = 70%
So, 70% of the students brought lunch from home.
A parcel delivery service has contracted you to design a closed box with a square base that has a volume of 8500 cubic inches.
A) Express the surface area of the box as a function of X
B) Graph the function found in part a .
C) What is the minimum amount of cardboard that can be used to construct the box.
D) What are the dimensions of the box that minimize the surface area.
E) why might UPS be interested in designing a box that minimize the surface area.
A) Let the side length of the square base be x, and the height of the box be h. Then, the volume of the box is given by:
V = [tex]x^2[/tex] * h = 8500
Solving for h, we get:
h = 8500 / [tex]x^2[/tex]
The surface area of the box can be expressed as:
S = 2x^2 + 4xh
Substituting the value of h obtained above, we get:
S = [tex]2x^2[/tex] + 4x(8500 / [tex]x^2[/tex]) = 2[tex]x^2[/tex]+ 34000 / x
Thus, the surface area of the box can be expressed as a function of x.
B) To graph the function, plot the surface area (S) on the y-axis and the side length of the square base (x) on the x-axis. Since x cannot be negative, the domain of the function is (0, infinity). As x gets very large or very small, the surface area approaches infinity, so we should only graph the function for values of x that make sense in the context of the problem.
C) The minimum amount of cardboard required to construct the box is equal to the surface area of the box. To find the minimum surface area, we need to find the minimum of the function S(x) obtained in part A.
D) To find the dimensions of the box that minimize the surface area, we need to find the value of x that minimizes the function S(x). We can do this by taking the derivative of S(x) with respect to x, setting it equal to zero, and solving for x. This gives us:
dS/dx = 4x - 34000/[tex]x^2[/tex] = 0
Multiplying both sides by [tex]x^2[/tex] and solving for x, we get:
x = (8500/2[tex])^(1/3)[/tex] ≈ 18.3
Therefore, the dimensions of the box that minimize the surface area are a square base with side length of approximately 18.3 inches, and a height of:
h = 8500 / [tex]x^2[/tex] ≈ 26.2 inches
E) UPS might be interested in designing a box that minimizes the surface area because it can reduce the amount of cardboard used in each box, resulting in cost savings and a reduced environmental impact. Additionally, minimizing the surface area of a box can make it more efficient to stack and transport, reducing shipping costs and making the overall process more sustainable.
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A) The Surface Area = [tex]X^2 + 34000/X[/tex]
B) The y-axis and the side length X on the x-axis.
C) The minimum amount of cardboard required to construct the box is approximately 1649.39 square inches.
D) The dimensions of the box that minimize the surface area are X = 20.5 inches and Y = 16.87 inches.
E) Smaller boxes take up less space in delivery trucks and planes, allowing more packages to be shipped at once and reducing transportation costs.
A) Express the surface area of the box as a function of X:
Let the side length of the square base be X and the height of the box be Y. Then, we know that the volume of the box is 8500 cubic inches, so:
[tex]X^{2Y} = 8500[/tex]
To find the surface area of the box, we need to add up the area of each face. There are 5 faces in total (the bottom square and 4 identical rectangular sides), so:
Surface Area = [tex]X^2 + 4XY[/tex]
We can substitute the value of Y from the equation for volume, giving:
Surface Area = [tex]X^2 + 4X(8500/X^2)[/tex]
Surface Area = [tex]X^2 + 34000/X[/tex]
B) Graph the function found in part a:
To graph this function, we can plot the surface area on the y-axis and the side length X on the x-axis. The graph will have a minimum value, which we can find using calculus or by using a graphing calculator.
C) What is the minimum amount of cardboard that can be used to construct the box:
The minimum amount of cardboard required to construct the box is the surface area of the box. To find this minimum value, we need to find the minimum point on the graph in part b. From the graph or by using calculus, we can see that the minimum occurs at X = sqrt(8500/5) = 20.5 inches. Substituting this value into the equation for surface area, we get:
Surface Area = [tex]20.5^2 + 4(20.5)(8500/20.5^2)[/tex]= 1649.39 square inches
D) What are the dimensions of the box that minimize the surface area:
From part c, we know that the minimum occurs at X = sqrt(8500/5) = 20.5 inches. To find the height of the box, we can substitute this value of X into the equation for volume:
[tex]X^2Y = 8500[/tex]
[tex](20.5)^2 Y = 8500[/tex]
[tex]Y = 8500/(20.5)^2 = 16.87[/tex] inches
E) Why might UPS be interested in designing a box that minimizes the surface area:
UPS and other parcel delivery services are always looking for ways to reduce their costs and increase efficiency. By designing a box that minimizes the surface area while still containing the same volume of goods, they can reduce the amount of cardboard used for each shipment. This would save them money on materials and shipping costs, while also reducing their environmental impact. Additionally, smaller boxes take up less space in delivery trucks and planes, allowing more packages to be shipped at once and reducing transportation costs.
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assume that you and a friend both enter a race with three prizes (first, second, and third place). you have a 30% chance of winning one of the prizes. your friend has a 20% chance of winning one of the prizes. however, if you win a prize, then your friend has less chance of also winning a prize. your friend has only a 10% chance of winning one of the prizes, given that you win one of the prizes. what is the probability that both you and your friend will win a prize in this contest? group of answer choices
Your friend has only a 10% chance of winning one of the prizes, given that you win one of the prizes. Then the probability that both you and your companion will win a prize in this challenge is 3%.
Let's begin by calculating the likelihood of you winning a prize, which is given as 30% or 0.3. The likelihood of your companion winning a prize is given as 20% or 0.2. In the event that you win a prize, at that point, the likelihood of your companion winning a prize diminishes to 10% or 0.1. Ready to speak to this conditional likelihood as P.
Presently, ready to utilize the equation for conditional likelihood to discover the likelihood of both you and your companion winning a prize.
P(You and Companion both win a prize)
= P(You win a prize) x P(Friend wins a prize|You win a prize)
= 0.3 x 0.1
= 0.03 or 3%.
thus, the likelihood that both you and your companion will win a prize in this challenge is 3%.
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Which is a better buy, 8oz of steak for
$8.50 or 14 oz of steak for $16.00?
Answer: The 8 oz steak is a better buy as it has a lower unit price at $1.06 per ounce compared to $1.14 per ounce for the 14 oz steak.
Step-by-step explanation: To determine which is a better buy, we can calculate the unit price of each steak.
The unit price is the price per ounce of steak.
For the 8 oz steak:
Unit price = price ÷ quantity = $8.50 ÷ 8 = $1.06 per ounce
For the 14 oz steak:
Unit price = price ÷ quantity = $16.00 ÷ 14 = $1.14 per ounce
Therefore, the 8 oz steak is a better buy as it has a lower unit price at $1.06 per ounce compared to $1.14 per ounce for the 14 oz steak.
In a game, you can get 20 points, 10 points, 2 points. You calculated the expected value of the game; expected value = 5.6. If you play the game many times, how many points can you get on average?
Answer:
If the expected value of the game is 5.6, this means that on average you can expect to earn 5.6 points per game if you were to play the game many times. However, since the point values available in the game are 20, 10, and 2, you cannot earn exactly 5.6 points in any single game.
Instead, over many games, the average number of points you would earn per game would approach the expected value of 5.6. For example, if you played the game 100 times, you might earn 2000 points if you got 20 points every time, 1000 points if you got 10 points every time, or 200 points if you got 2 points every time. But if you averaged your points across all 100 games, the average should be close to the expected value of 5.6 points per game.
What is the product of 3x – 4 and 5x^2–2x+6. Write your answer in standard form.
Part a: SHOW WORK
Part b: Is the product of 3x – 4 and 5x^2–2x+6 equal to the product of 4 – 3x and 5x^2 – 2x + 6? EXPLAIN.
50 points, please show work. Thanks.
The Eagles basketball team played a game against their rivals last night. The team made 28 baskets and scored 65 points. Some baskets were 2-point baskets, and some baskets were 3-point baskets. Let
represent the number of 2-point baskets, and let
represent the number of 3-point baskets.
How many of each type of basket were made in the game?
The number of each type of basket made is as follows:
2-point basket = 19
3-point basket = 9
How to find the number of each type of basket made?The team made 28 baskets and scored 65 points. Some baskets were 2-point baskets, and some baskets were 3-point baskets.
let
x = number of 2-point basket
y = number of 3-point basket
Therefore, using equation
x + y = 28
2x + 3y = 65
multiply equation(i) by 2
2x + 2y = 56
2x + 3y = 65
subtract he equation
y = 9
Therefore,
x = 28 - 9
x = 19
Therefore, the team made 19 2-point basket and 9 3-point basket.
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If a student pulls out a jellybean without looking what is the probability that the jellybean will be yellow? 5/11 probability practice
Claire spins two spinners, each divided into equal sections labeled 1-8.
What is the probability that Claire spins a sum of 8? State what strategy you will use to answer the question, explain your choice, and then find the answer.
The probability that Claire spinning an 8 is around 0.078, or 7.8%.
How to calculate the favorable outcomes?We may use the strategy of calculating favorable results over total outcomes to get the likelihood that Claire spins a sum of 8. We must specifically determine how many possibilities there are to reach a sum of 8 when spinning the two spinners and divide that number by the total number of possible outcomes.
To illustrate, we can use a table to display all of the possible results for spinning two spinners labeled 1-8, and then compute the sum of each outcome:
There are 64 possible outcomes (8 spinners 1 choice times 8 spinner 2 choices), and we can see that there are 5 methods to reach a sum of 8: (2,6), (3,5), (4,4), (5,3), and (6,2). As a result, the likelihood of getting an 8 is:
P(sum of 8) = number of favorable outcomes / total number of outcomes
= 5 / 64
= 0.078125
So the likelihood of Claire spinning an 8 is around 0.078, or 7.8%.
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a large, round pizza has an area of 254.47in ^2. if the pizza fits snuggly in a square box, how much of the bottom of the box is NOT taken up by the pizza? round answer to the nearest hundredth
Therefore , the solution of the given problem of area comes out to be the pizza only occupies 0.24 square inches of the box's bottom.
What exactly does an area mean?The object's overall size can be determined by figuring out how much room would be required to completely enclose the object's exterior. When selecting an analogous item with a tubular form, the environment is taken into account. Anything's total dimensions are determined by its surface area. The amount of water that a cuboid can hold depends on the number of sides that link its four trapezoidal shapes.
Here,
Assume that the square box's side length is "s" inches.
The pizza's size is specified as 254.47 in2. The area of the pizza would be equal to the area of the square box because it fits tightly inside of it.
=> s² = 254.47
=> s = √(254.47)
=> s = 15.95 inches
If you round to two decimal places, the area of the square box minus the area of the pizza is equal to (15.95)2 - 254.47, or 0.24 in2.
Therefore, the pizza only occupies 0.24 square inches of the box's bottom.
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Which equations are true for x = –2 and x = 2? Select two options x2 – 4 = 0 x2 = –4 3x2 + 12 = 0 4x2 = 16 2(x – 2)2 = 0
Answer:
x² - 4 = 0
Step-by-step explanation:
choices: x² - 4 = 0, x² = -4, 3x² + 12 = 0, 4x² = 16, 2(x-2)² = 0
to find x= -2, 2
x² - 4 = 0
(x + 2) (x - 2) = 0
x = -2, 2