Answers
The line segment of length 3 1/2 is sketched with mid pint at -1 and attached
What is a line segment?A line segment in geometry has two different points on it that define its boundaries.
A line segment is sometimes referred to as a section of a line that links two places. The difference between a line and a line segment is that a line has no endpoints and can go on forever in either direction.
How to make the line segmentThe endpoints is important before a line can be defined as a line segment, however the midpoint will be essential in calculating for the endpoints
The mid point of the line is given to be -1
the other ends will be 3 1/2 /2
1.75
from -1 add and subtract 1.75 to get the endpoint's
-1 + 1.75 = 0.75
-1 - 1.75 = 2.75
each unit on the number line is 0.3333
to get 0.75 from 0 count two units to give 0.6667 then a bit more to get to 0.75
to get 2.75 from 2 count two strokes to get to 2.6667, then add a little more to get 2.75
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Related Questions
Write the statement "the sum of a number and 11.5 is more than −4.5" as an inequality.
−4.5 + b ≥ 11.5
−4.5 + b < 11.5
b + 11.5 > −4.5
b + 11.5 ≤ −4.5
Answers
An inequality that can represent the sum of a number and 11.5 is more than −4.5 is b + 11.5 > −4.5 .
What is inequality?
In mathematics, a relationship between two expressions or values that are not equal to each other is called ‘inequality.’ So, a lack of balance results in inequality. For example, if you want to buy a new bicycle that costs 250 but you have 225. It is also an inequality as you are comparing two numbers that aren’t equal.
We use ‘=’ when two quantities are equal and when they are not equal we use the symbol ≠ to denote not equal. If two things are not equal, the first value can be either greater than (>) or lesser than (<) or greater than equal to (≥) or less than equal to (≤) the second value. So, as per the above example, 250 > 225.
Given : the sum of a number and 11.5 is more than −4.5
Let us assume the number be "b"
according to question,
b + 11.5 is more than −4.
Thus, An inequality that can represent the sum of a number and 11.5 is more than −4.5 is b + 11.5 > −4.5 .
Hence , b + 11.5 > −4.5 is the correct answer .
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Answer:
Step-by-step explanation:
thx for the points
Margo sells bracelets for $8 each and necklaces for $12 each. The equation below can be used to calculate E , her total earnings. E=8b+12n If is the number of bracelets, and n is the number of necklaces she sold, which equation can be used to find b , when E and n are known?
Answers
The equation that can be used to find b, when E and n are known is: b = (E - 12n) / 8.
This equation can be derived from the original equation of E=8b+12n. To solve for b, we can start by subtracting 12n from both sides of the equation to isolate b. We then divide both sides of the equation by 8 in order to solve for b.
The result is b = (E - 12n) / 8. This equation can be used to find the number of bracelets (b) when the total earnings (E) and the number of necklaces (n) are known.
We can rearrange the equation to solve for b.
E = 8b + 12n
Subtract 12n from both sides:
E - 12n = 8b
Divide both sides by 8:
(E - 12n)/8 = b
Therefore, the equation to find b, when E and n are known, is:
b = (E - 12n)/8
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interpret the association. during george bush's presidency there was a strong negative correlation between the stock market performance and his approval ratings. therefore, it can be concluded that: question 14 options: approval ratings tended to rise as stock prices rose. higher approval ratings were the result of a better performing stock market. approval ratings tended to fall as stock prices rose. lower approval ratings were the result of a better performing stock market.
Answers
The answer is option 3: approval ratings tended to fall as stock prices rose.
This means that when stock prices rose, the approval ratings of George Bush's presidency decreased. This can be interpreted as an indication that people were not satisfied with the performance of the stock market during the Bush presidency. This could be because the stock market was not performing as well as expected or because the people were not satisfied with the decisions made by the Bush presidency that impacted the stock market.
Whatever the reason, the negative correlation between the stock market performance and Bush's approval ratings shows that when stock prices rose, approval ratings tended to fall.
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What is the range of the relation?
{(2, -5), (1, 4), (-3, 0), (6, 2)}
Responses
{-3, 1, 2, 6}
{-3, 0, 2, 6}
{-5, 1, 2, 4}
{-5, 0, 2, 4}
Answers
The correct option is (d) i.e. the range of the relation is {-5, 0, 2, 4}.
What is Range ?
A function's range is a collection of all of its potential results, or alternatively, the collection of all conceivable representations of the domain's elements.
Given, {(2, -5), (1, 4), (-3, 0), (6, 2)}
Range is the result of a relation.
let say, X⇒ Y is a relation where X represents the domain and Y represents the range and both can be represented as ( X, Y).
So, all the values at the position of Y are called range of the given relation.
Hence, Range will be {-5, 0, 2, 4}.
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A card is drawn from a pack of 52 playing cards. Find the probability that the card will be a king, given that it is a face card. (The face cards are the jacks, queens, and kings. Enter your probability as a fraction.)
Answers
Answer:
Step-by-step explanation:
There are 4 kings in a deck of playing cards.
There are 52 cards in a deck.
So the probability is 4 out of 52.
Which is 4/52,
Which can be reduced to 1/13.
4 divided by 4 = 1 and 52 divided by 4 =13.
In a study, the residents of Edinburgh, Scotland, were classified as having either black hair, brown hair, blonde hair, or red hair. The probabilities of a randomly selected resident having black, brown, or blonde hair are 0.17, 0.47, and 0.20 respectively. Assuming each resident has one of these four hair colors,(a) what is the probability that a randomly selected resident has red hair?(b) what is the probability that a randomly selected resident has brown or black hair?(c) what is the probability that a randomly selected resident does not have blonde hair?
Answers
a) probability that a randomly selected resident has red hair is 0.16
b) probability that a randomly selected resident has brown or black hair is 0.67
c) probability that a randomly selected resident does not have blonde hair is 0.8.
P(black hair color) = 0.17
P (Brown hair) = 0.47
P (blonde hair) = 0.20
a) Probablity that a randomly chosen resident has red hair is:
P(red hair) = 1 - P(black hair) - P(brown hair) - P(blonde hair)
=> 1 - 0.17 - 0.47 - 0.20
=> 0.16
b) P(brown hair) + P(black hair) is the likelihood that a randomly chosen resident has brown or black hair (black hair)
= 0.47 + 0.20
= 0.67
c) The Probability that a randomly chosen resident does not have blonde hair is equal to 1 - P (blonde hair)
=> 1 - 0.20
=> 0.8
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The probability that a randomly selected resident has red hair and brown or black and black, brown, or blonde hair is 0.16, 0.80 and 0.20
The probabilities of a randomly selected resident having black, brown, or blonde hair are 0.17, 0.47, and 0.20 respectively.
P (black hair) = 0.17
P (brown hair) = 0.47
P (blonde hair) = 0.20
The probability is the measure of the likelihood of an event to happen. It measures the certainty of the event. The formula for probability is given by; P(E) = Number of Favourable Outcomes/Number of total outcomes.
(a). Probability that a randomly selected resident has red hair is
P (red hair) = 1 -P(black hair)-P (brown hair)-P (blonde hair)
= 1 - 0.17 - 0.47 - 0.2
= 0.16
(b). Probability that a randomly selected resident has brown or black hair
= P (brown hair) + P (black hair)
= 0.47 + 0.20
= 0.67
(c). Probability that a randomly selected resident does not have blonde hair
= 1 - P (blonde hair)
= 1 - 0.20
= 0.80
Therefore, the probability is 0.16, 0.80 and 0.20.
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which of the following graphs shows the solution set to the system of inequalities below? {y>12x 4y>5
Answers
Answer:
Step-by-step explanation:
Manuel watered all the flowers at a business park. While watering, he noticed the daisies had been planted in groups of 11 and the lilies had been planted in groups of 12. If Manuel watered the same number of each flower, what is the minimum number of each that he must have watered?
Answers
Answer:
The minimum number of daisies and lilies that Manuel must have watered is 11.Step-by-step explanation:
To find the minimum number of daisies and lilies that Manuel must have watered, we need to find the least common multiple (LCM) of 11 and 12. The LCM of two numbers is the smallest positive integer that is a multiple of both numbers.
To find the LCM of 11 and 12, we can list the multiples of each number and find the smallest number that appears in both lists. The multiples of 11 are 11, 22, 33, 44, 55, 66, 77, 88, 99, 110, 121, etc. The multiples of 12 are 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, etc.
We can see that the smallest number that appears in both lists is 11, which is the LCM of 11 and 12. Therefore, the minimum number of daisies and lilies that Manuel must have watered is 11. If he watered the same number of each flower, he must have watered at least 11 daisies and 11 lilies.
round 87388 to the nearest thousand
Answers
After the 7 is a 3, this number is below 5 therefore you round down
Answer:
To round a number to the nearest thousand, we first need to identify the thousands digit in the number. In this case, the thousands digit is 8, because 87388 is between 80000 and 90000.
To determine whether to round up or down, we need to look at the hundreds digit, which is 7 in this case. If the hundreds digit is 5 or greater, we round up. If the hundreds digit is less than 5, we round down. In this case, the hundreds digit is 7, which is greater than or equal to 5, so we need to round up.
To round up, we add 1000 to 87388, which gives us 88388. So, 87388 rounded to the nearest thousand is 88000.
Jim has to choose between two gym membership plans. Plan A: $50 monthly membership fee and $10 per visit. Plan B: $25 one time membership fee and $15 per visit. How many visits must Jim make to make Plan A the cheaper option?
How many visits for them to cost the same?
Answers
The same cost of both of the plan of the gym will be in 5 visits. And plan B is better than Plan A as B is cheaper than A.
What is an expression?In mathematics, expression is the combining of variables with the application of operations and prescribed rules. It could take the shape of an equation, some numbers, etc.
We have,
plan A consists of :
Amount for monthly membership fee = $50
Cost per visit = $10
The expression of total fees would be:
50+10x,
where x is the number of times Jim visits the gym.
Plan B consists of :
Amount for monthly one time membership fee = $25
Cost per visit = 15
The expression of total fees would be:
25 + 15x,
where x is the number of times Jim visits the gym.
Here, x denotes the number of visits.
Let us suppose x = 1
Then, fees for plan A would be:
50 + 10 x1 = $60
Fees for plan B would be:
25 + 15 x1 = $40
To find the same cost in x number of visits:
We equate both the expressions.
50+10x = 25 + 15x
15x - 10x = 50 - 25
5x = 25
x = 5
That means, if Jim visits 5 times, the gym, then he would have the similar cost for both of the plans.
Hence, Plan B is better than Plan A as B is cheaper than A. The same cost of both of the gym will be in 5 visits.
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In right triangle ABC, altitude CD with length h is drawn to its hypotenuse. We also know AD = 12 and DB=3. What is the length of h?
Only sides/angles known are
Base= 12+3,
Angle= Right angle/90°.
No clue how to solve this. I tried many methods. everyone who’s asked this question on here did not get a good answer. Please explain how it is done and what theorem is used.
Answers
Answer:
h = 6
Step-by-step explanation:
h is the short leg for AD in ΔADC: AD = 12
h is the long leg for DB in ΔCDB: DB = 3
Hence:
12/h = h/3
3 * 12/h = 3 * h/3 ==> isolate h by multiplying 3 on both sides
36/h = h
h * 36/h = h*h ==> multiply by h on both sides to remove fractions
36 = h^2
h = [tex]\sqrt{36}[/tex]
h = 6
Evaluate 8a+3b-10+c^28a+3b−10+c
2
8, a, plus, 3, b, minus, 10, plus, c, squared when a=2a=2a, equals, 2, b=5b=5b, equals, 5, and c=4c=4c, equals, 4.
4
Answers
The solution is A = 37
The value of the equation A = 8a + 3b - 10 + c² is A = 37
What is an Equation?
Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
Let the equation be represented as A
Now , the value of A is given by
A = 8a + 3b - 10 + c²
When the value of a = 2 , the value of b = 5 and the value of c = 4 ,
The equation A is given as
Substitute the value of a , b and c in the equation , we get
A = 8a + 3b - 10 + c²
A = 8 ( 2 ) + 3 ( 5 ) - 10 + 4²
A = 16 + 15 - 10 + 16
On simplifying the equation , we get
A = 31 + 6
The value of A = 37
Therefore , the value of A is 37
Hence , The value of the equation A = 8a + 3b - 10 + c² is A = 37
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Assume that a company uses a standard cost system and applies overhead to production based on direct labor-hours. It provided the following information for its most recent year:
Total budgeted fixed overhead cost for the year $ 300,000
Actual fixed overhead cost for the year $ 276,000
Budgeted direct labor-hours 60,000
Actual direct labor-hours 56,000
Standard direct labor-hours allowed for the actual output 58,000
What is the fixed overhead volume variance?
Multiple Choice
$20,000 U
$20,000 F
$10,000 U
$10,000 F
Group Ends
Answers
On solving the provided question, we can say that The $289,000 in fixed overhead that was used in production at that time
What are fixed overhead?In accounting and economics, expenses for a firm are referred to as "fixed costs," often known as "indirect costs" or "overhead costs" since they are independent of the volume of goods or services the organization produces. They often have a periodic nature, such monthly rent or interest payments. These expenses are frequently capital costs as well.
The fixed overhead rate equals the budgeted amount Budgeted hours / Fixed overhead costs
Fixed overhead rate (predetermined) = 300,000/60,000
The fixed overhead rate (predetermined) is $5 per hour.
Applied Standard hours permitted with a predetermined overhead rate equals fixed overhead (fixed)
Fixed overhead applied = 57,800 * $5 per hour
$289,000 for applied fixed overhead
Therefore, $289,000 in fixed overhead was allocated to production during that time.
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Spencer sampled 50 students of a private school who were questioned about their scores in Mathematics. Spencer wants to test the hypothesis that the private school students score better than the general public which has an average of 62 marks with a population standard deviation of 7 marks.
z equals fraction numerator x with bar on top minus mu over denominator begin display style fraction numerator sigma over denominator square root of n end fraction end style end fraction
If the sample mean is 65 marks, what is the z-score? Answers are rounded to the hundredths place.
Answers
The answer is 3.03
What is a sample mean?A sample mean is an average of a set of data . The sample mean can be used to calculate the central tendency, standard deviation and the variance of a data set.
Given here μ=62 σ=7 sample mean x = 65 and n=50
now the formula given is z= x-μ / σ÷√n
= 65-62 / 7÷√50
= 3√50/7
= 3.03
Hence the final answer is 3.03
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5. A recent college graduate hopes to have $200,000 saved in their retirement account 25 years from now by contributing $150 per month in a 401(k) plan. The goal is to earn 10% annually on the monthly contribution. Will they have the $200,000 at the end of the 25 years?
Answers
Answer: No
Step-by-step explanation:
To determine whether the college graduate will have $200,000 saved in their retirement account after 25 years, we can use the formula for compound interest:
A = P * (1 + r/n)^(nt)
where A is the total amount of money in the account after the specified time, P is the initial amount of money deposited in the account, r is the annual interest rate, n is the number of times the interest is compounded per year, and t is the number of years the money is invested.
In this case, the initial amount deposited each month is $150, the annual interest rate is 10%, the number of times the interest is compounded per year is 12 (once per month), and the number of years the money is invested is 25. Plugging these values into the formula above gives us:
A = $150 * (1 + 10%/12)^(12*25) = $150 * (1.0083)^300 = $150 * 3.4955 = $524.33
Since the goal is to have $200,000 saved in the account after 25 years, the college graduate will not have enough money in their account if they contribute $150 per month at 10% interest. In order to reach their goal, they would need to save more money each month or earn a higher interest rate on their contributions.
One hundred offices need to be painted. The workers choose between yellow, blue, or red paint. They decide that 45% of the offices will be painted yellow; 28% will be painted blue, and the remaining offices will be painted red. What amount of offices will be painted red?
Answers
Answer:
27 offices will be painted red-------------------------------------------------
Out of 100 offices:
45% of the offices will be painted yellow ⇒ 45 offices28% of the offices will be painted blue ⇒ 28 officesRemaining offices will be painted red:
100 - (45 + 28) = 100 - 73 =27Answer:
27 offices will be painted red.
Step-by-step explanation:
Yellow offices:
= 45% of 100 offices
= 0.45 × 100
= 45 yellow offices
Blue offices:
= 28% of 100 offices
= 0.28 × 100
= 28 blue offices
Red offices:
= Total number of offices - yellow offices - blue offices
= 100 - 45 - 28
= 55 - 28
= 27 red offices
Therefore, 27 offices will be painted red.
The serving size for the granola that Ted likes to eat for breakfast is 3/4 cup. How many servings are there in a box that holds 13 cups?
Answers
find the solution of the differential equation dr sec21 dt tant 1 which passes through the point (x,5).
Answers
The solution of the differential equation is given by r = 5tan(t + c) where c is the constant of integration, determined by the initial condition (x, 5).
The given differential equation is dr sec21dt tant 1. This is a first order linear differential equation which can be solved using an integrating factor. The integrating factor is given by e^(integral(sec^2(t)dt)). The solution of the equation is given by
[tex]r = (integral(sec^2(t))) + c[/tex]
where c is the constant of integration
Let y = sec(2x)
dy/dt = 2tan(2x)sec(2x)
Now, substituting the given point, we get
5 = sec(2x)
⇒ 2x = arccosec(5)
⇒ x = arccosec(5)/2
Now, substituting this in the equation of the differentiable curve, we get
[tex]\int\limits^a_b {x} \, dx dy/dt = 2tan(arccosec(5))sec(arccosec(5))[/tex]
Hence, the solution of the differential equation passing through the given point is y = sec(2x) = sec(arccosec(5))
or r = sec(arccosec(5))
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metodo gráfico
y-2x=o
y+x=3
por favor ayúdenme doy coronita
Answers
A circular rug is cut from a square piece of carpet. Each side of the square piece of Carpet is 40 inches long. After cutting out the circular rug, approximately how much carpet will be left over?
Answers
Answer:
Below
Step-by-step explanation:
Area of square - area of circle = remnant area of circle = pi r^2
(40 x 40) - pi (20^2) = 343 . 4 in^2 left over
( this assumes the circle touches the edges of the square)
In how many ways can the digits in the number 7,400,000 be arranged?
Answers
HELPPP!!!!! I need help with the ASAP PLEASE HELEP ME
Answers
The value of x is 7/3 and the value of y is -11/3 for the given equations.
What is an expression?The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.
Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.
Given that the equations are 2x - 2y = 12 and -8x -y = -15. The value of x and y will be calculated as,
2x - 2y = 12
-8x - y = -15
Solve the above equation,
2x - 2(-8x + 15) = 12
2x + 16x - 30 = 12
18x = 42
x = 42 / 18
x = 7 / 3
The value of y is calculated as,
-8x - y = -15
y = ( -8 x 7 / 3 ) +15
y = (-56 + 45) /3
y = -11 / 3
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In a class of students, the following data table summarizes how many students have
cat or a dog. What is the probability that a student chosen randomly from the class
does not have a cat or a dog?
Has a dog
Does not have a dog
Has a cat Does not have a cat
7
4
6
12
Answers
Answer:
8/33
p(d'c')
not having a cat=12/18
not a dog =4/11
12/18×4/11=8/33
Ans=8/33
A restaurant wants to make sure that they are serving customers quickly enough. Every day for 10 days, they sample 16 random customers, and measure how long it is until the waiter shows up. Using this sample data, the company calculates the 3-sigma control limits as LCL = 3.5 minutes and UCL = 6.5 minutes.
What would be the LCL and UCL if the company uses 2-sigma control limits instead?
O LCL = 4.5 minutes and UCL = 5.5 minutes
O LCL = 4.5 minutes and UCL = 7.5 minutes
O LCL = 3 minutes and UCL = 7 minutes
O LCL = 4 minutes and UCL = 6 minutes
Answers
LCL would be 4 minutes and UCL would be 6 minutes if the company uses 2-sigma control limits instead.
Describe mean.The average of a group of variables is referred to as the mean in mathematics and statistics. There are several methods for calculating the mean, including simple arithmetic means (adding the numbers together and dividing the result by the number of observations), geometric means, and harmonic means. The arithmetic mean, also known as the arithmetic average or simply the mean or average, is the sum of a set of numbers divided by the total number of numbers in the set. The collection frequently consists of a series of findings from a survey, experiment, or observational study.
Given
LCL = 3.5 minutes
UCL = 6.5 minutes
Mean = LCL + UCL/2
Mean = 3.5 + 6.5/2
Mean = 5
Standard deviation = UCL - LCL/6
Standard deviation = 6.5 - 3.5/6
Standard deviation = 0.5
LCL = 5 - 2(0.5)
LCL = 4
UCL = 5 + 2(0.5)
UCL = 6
LCL = 4 minutes and UCL = 6 minutes
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Find the equation of the line tangent to the function at the given point. Your answer should be in slope-intercept form. SHOW ALL WORK, LABEL APPROPRIATELY. F(x)= x - 4x² + 7 at x = 1 Find the instantaneous rate of change of the function at the given value. f(x) = 2x² + x +1; -2
Answers
On solving the provided question, we can say that - the instantaneous rate of change of the function at the given value, by solving the equation y = 11 - 5x, f'(1) = 3-8 = -5
What is an equation ?A mathematical equation is a formula that uses the equals symbol (=) to link two expressions and represent their equivalence. A mathematical statement that demonstrates the equality of two mathematical expressions is an equation in algebra, in its most basic form. Consider the equation 3x + 5 = 14, where 3x + 5 and 14 are two expressions that are separated by the symbol "equal."
y = f(x) =
[tex]x^3 - 4x^2 + 7 \\at x =1[/tex]
f(x) = 3-4+7
= 6
F'(x) = [tex]3x^2 - 8x[/tex]
f'(1) = 3-8 = -5
equation = y - 6 = -5(x-1)
y = 11 - 5x
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Holly wants to invest $6,800.00 in a savings account.
Determine the simple interest rate required for Holly's investment to grow to $16,500.00 in 14 years.
Round your answer to the nearest tenth of a percent and don't forget to include a percent sign, %, in
your answer.
The interest rate required to grow the investment to $16,500.00 is______
Answers
Answer:
Below
Step-by-step explanation:
16500 - 6800 = 9700 interest required to meet this situation in 14 years
6800 * i * 14 = 9700 where i = decimal interest
i = 9700/(6800*14) = .1018 = 10 .2 %
Please help please and thank you
Answers
The list of pairs of triangles are ∠A≅∠N, ∠B≅∠O, ∠C≅∠P for the given similar triangles.
What is meant by triangle?Triangles are polygons because they have three vertices and three edges. This is one of the basic shapes in geometry.
In Euclidean geometry, any three non-collinear points determine a distinct triangle and a distinct plane (i.e. a two-dimensional Euclidean space). To put it another way, every triangle has a plane that it is contained in, and there is only one plane that contains every triangle. If and only if all geometry is the Euclidean plane, all triangles are contained in a single plane; however, this is no longer true in higher-dimensional Euclidean spaces.
Given triangles are,
ΔABC and ΔNOP
And also given that they are similar triangles.
The pairs of the congruent angles are:
∠A≅∠N
∠B≅∠O
∠C≅∠P
Therefore, the list of pairs of triangles are ∠A≅∠N, ∠B≅∠O, ∠C≅∠P for the given similar triangles.
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Let a, b, c, d, e, f be integers selected from the set {1, 2, . . . , 100}, uniformly and at random with
replacement. Set
M = a + 2b + 4c + 8d + 16e + 32f.
What is the expected value of the remainder when M is divided by 64?
Answers
So the expected value of the remainder when M is divided by 64 is approximately 0.2080.
To find the expected value of the remainder when M is divided by 64, we can find the probability that M is congruent to each possible remainder modulo 64 and then sum these probabilities multiplied by the corresponding remainders.
For a positive integer n, let P(n) denote the probability that a positive integer chosen from the set {1, 2, . . . , 100} is congruent to n modulo 64. Then
P(0) = P(64) = P(128) = ... = 1/100
P(1) = P(65) = P(129) = ... = 1/100
P(63) = P(127) = P(191) = ... = 1/100
Since the integers a, b, c, d, e, and f are chosen independently and uniformly at random from the set {1, 2, . . . , 100}, the probability that M is congruent to n modulo 64 is P(n)^6.
Therefore, the expected value of the remainder when M is divided by 64 is
E = 0 * P(0)^6 + 1 * P(1)^6 + 2 * P(2)^6 + ... + 63 * P(63)^6
= (0^6 + 1^6 + 2^6 + ... + 63^6) * P(0)^6
= (0 + 1 + 2 + ... + 63) * P(0)^6
= 2080 * (1/100)^6
= 0.2080
So the expected value of the remainder when M is divided by 64 is approximately 0.2080.
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For a positive integer n, let P(n) denote the probability that a positive integer chosen from the set {1, 2, . . . , 100} is congruent to n modulo 64. Then
P(0) = P(64) = P(128) = ... = 1/100
P(1) = P(65) = P(129) = ... = 1/100
P(63) = P(127) = P(191) = ... = 1/100
Since the integers a, b, c, d, e, and f are chosen independently and uniformly at random from the set {1, 2, . . . , 100}, the probability that M is congruent to n modulo 64 is P(n)^6.
Therefore, the expected value of the remainder when M is divided by 64 is
E = 0 * P(0)^6 + 1 * P(1)^6 + 2 * P(2)^6 + ... + 63 * P(63)^6
= (0^6 + 1^6 + 2^6 + ... + 63^6) * P(0)^6
= (0 + 1 + 2 + ... + 63) * P(0)^6
= 2080 * (1/100)^6
= 0.2080
Use the scale to help you solve the equation and find the value of x. Enter the
value of x below.
x+2=8
X=
Answers
Answer: 6
Step-by-step explanation:
x=8-2
x=6
A family compares the cost of renting a truck from two different companies for its 2-day move to another state.The costs are shown in the table.
Answers
A. The functions are given as follows:
Company X: X(m) = 245.9 + 0.59m.Company Y: Y(m) = 91.9 + 0.79m.B. The company from which the family should rent the truck is: Company Y.
How to define the functions?There are two costs in the problem, given as follows:
Fixed costs: base, drop-off and insurance.Variable: cost per mile.The fixed costs for Company X are given as follows:
Base: 2 x 29.95 = 59.90.Drop-off: 150.Insurance: 2 x 18 = 36.The variable cost is of 0.59 per mile, hence the function, considering a trip of m miles, is given as follows:
X(m) = 59.90 + 150 + 36 + 0.59m.
X(m) = 245.9 + 0.59m.
The fixed costs for Company Y are given as follows:
Base: 2 x 19.95 = 39.90.Drop-off: included.Insurance: 2 x 26 = 52.The variable cost is of 0.79 per mile, hence the function, considering a trip of m miles, is given as follows:
Y(m) = 39.90 + 52 + 0.79m
Y(m) = 91.9 + 0.79m.
The trip is of 750 miles, hence the costs are given as follows:
X(750) = 245.9 + 0.59 x 750 = $688.4.Y(750) = 91.9 + 0.79 x 750 = $684.4.Due to the lower cost, Company Y should be chosen.
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