can you send a picture of the question?
The function f(x) goes through the point (2,6). What point will this translate to in the function f(x) = ( x + 2) -3?
As it passes through the point (2,6), it will convert to the function f(x) = (x + 2) -3 at (0,3).
What is function?A mathematical phrase, rule, or law that establishes the link between an independent variable and a dependent variable (the dependent variable). In mathematics, functions exist everywhere, and they are crucial for constructing physical links in the sciences. A "vertical line test" can be used when examining a graph to determine whether a relation is a function. The relation is not a function if any point on the graph may be used to build a vertical line that crosses the relation twice.
Here,
g(x) = f(x + 2) – 3
This represents a shift of two units to the left and three units down:
x moves from two to two units left (-2) to become 0
y moves from six to three units down (-3) to become 3.
At (0,3), It will translate to the function f(x) = ( x + 2) -3 as it goes through the point (2,6).
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Consider the probability that greater than 90 out of 149 software users will not call technical support. Assume the probability that a given software user will not call technical support is 56%. Approximate the probability using the normal distribution. Round your answer to four decimal places.
Answer:
0.1220
Step-by-step explanation:
You want the probability that greater than 90 out of 149 software users will not call tech support, given that the probability a given user will not call is 56%. You want the value using the normal approximation to the binomial distribution.
Normal approximationFor a sample size of n, and probability p of "success", the normal approximation to the binomial distribution can be used if ...
min(pn, (1-p)n) > 5
Here, that is ...
min(0.56·149, 0.44·149) > 5
65.6 > 5 . . . . . . . . true, the normal approximation is appropriate
Then the parameters of the normal distribution are ...
µ = pn = 0.56·149 = 83.44
σ = √((1-p)µ) = √(0.44·83.44) ≈ 6.0592
Continuity correction factorThe probability that X = N will occur can be considered to be ...
P(N -0.5 < X < N +0.5)
Then the probability that X > N will be modeled using the normal distribution as ...
P(X > N +0.5)
For this problem, we want ...
P(X > 90.5) . . . . using the normal distribution with µ = 83.44, σ = 6.0592
The attached calculator shows that value to be ...
P(>90) ≈ 0.1220 . . . . . . rounded to 4 decimal places
__
Additional comment
A probability calculator says the actual binomial distribution result for this problem is 0.1217.
If you rent a car from Caleb's Cars, you'll pay a $61 fee
and $24 per day. At Vinny's Vehicles, you'll pay a $105 fee and $20 per day. Determine the number of days you can rent a car from either place and pay the same amount. Use substitution or elimination. Thank you:)
The number of days to rent a car at either place and pay thesame amount is 11 days
What is Simultaneous equation?Simultaneous equations are two or more algebraic equations that share variables e.g. x and y . They are called simultaneous equations because the equations are solved at the same time.
Let the number of days to repay after a down payment be x and the y represent the total payment.
Therefore 61+24x= y equation 1
105+ 20x = y equation 2
subtract equation 1 from 2
105-61+20x-24x= 0
44-4x= 0
4x = 44
divide both sides by 4
x= 44/4
x= 11 days
therefore the number of days to rent a car at either places and pay thesame amount is 11 days
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At a real estate agency, an agent sold a house for $375,000. The commission rate is 6.5% for the real estate agency and the commission rate for the agent is 20% of the amount the real estate agency gets. How much did the agency make on the house? How much did the agent earn in commission?
Answer: 35%
Step-by-step explanation:
What is √73 in exponential form?
O
314
7
DONE
Answer:
To write √73 in exponential form, we can use the fact that the square root of a number is the same as that number to the power of 1/2. Thus, we can write √73 as 73^(1/2).
Here's how we can show this using algebraic steps:
First, we can write the square root as a fractional exponent:
√73 = 73^(1/2)
Next, we can rewrite the fractional exponent using the rule that says that a^(m/n) = (a^m)^(1/n):
√73 = (73^1)^(1/2)
Finally, we can simplify the expression by evaluating the power of 1:
√73 = (73)^(1/2) = 73^(1/2)
Therefore, √73 can be written in exponential form as 73^(1/2).
Plssss help What is the solution to the system? 2x-2y=2, y=-5x+14
Answer:
x=2.5, 5/2
y=1.5, 3/2
Step-by-step explanation:
2x-2(-5x+14)=2
2x+10x-28=2
12x=30
x=2.5
y=-5(2.5)+14
y=-12.5+14
y=1.5
The height of a balloon, h, varies directly as the square root of its surface area, A.
When the balloon's surface area is 81 its height is 12
What is its height when its surface area is 144?
The height of the balloon is 21.33
According the the question the relation between height and surface area of balloon is
H=pA
where ,
H is height
p is proportionality constant
A is surface area
Surface area = 81
Height = 12
By Replacing the given values we get,
12=p x 81
p=12/81
Using it in given conditions,
H=(12/81)x144
H=21.33
So the height of the balloon in the given condition is 21.33
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A quantity decreases by 2% for each of 10 years. What is its percentage decrease over the 10-year period? (Round your answer to two decimal places.
Answer:
20%
Step-by-step explanation:
2 x 10 = 20
20%
a factory bottles 360 bottles of juice in 5 minutes find the factory’s into rate bottles per minute
The factory produces 72 bottles of juice per minute.
What is the rate?
A rate is a special ratio in which the two terms are in different units. If a 12-ounce can of corn costs $69, the rate is $69 for 12 ounces. This is not a proportion of two comparable units, such as shirts. This is a proportion of two dissimilar units: cents and ounces.
To find the factory's production rate in bottles per minute, we need to divide the number of bottles produced by the time it took to produce them. In this case, the factory produced 360 bottles in 5 minutes, so the production rate is:
360 bottles / 5 minutes = 72 bottles/minute
This means that the factory produces 72 bottles of juice per minute.
Hence, the factory produces 72 bottles of juice per minute.
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please help it about calculus
The answer to this Question based on speed is 1m/s
What is speed?
Speed can be defined as the rate at which an object moves from one point to another. It is usually measured in units of distance per unit of time, such as kilometers per hour (km/h) or miles per hour (mph). Speed is a scalar quantity, meaning it has magnitude but no direction. Speed can also be thought of as the rate of change of position. When an object is in motion, its speed is constantly changing due to the force of gravity, air resistance, and other external factors. The speed of an object can be affected by its weight, shape, and size. An object's speed can also be affected by other factors such as the friction of the surface it is moving on and the wind or air resistance. Speed is an important concept in physics, engineering, and many other fields.
we are given that velocity as a function of time along a single direction
we write v(t) = -2t+5
hence speed = mod(velocity)
speed at t = 2 sec = mod (velocity at t = 2 sec)
speed = mod(-2(2)+5)
speed = mod(-4+5)
speed = 1 m/s
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do you think it makes sense to use the statistician's model to predict the calories in food items from the fast food restaurant quiteaburger? explain why or why not.
The statistician model makes sense to predict the calories in food items.
What is statistician's model ?A mathematical model called a statistical model contains a collection of statistical presumptions about how sample data are produced (and similar data from a larger population). A statistical model simulates the process of creating data, frequently in a highly idealised form.
Yes it makes sense to use the statistician model to predict calories calories in food items because the test of the overall model I.e F test is significant at any level of significance because the p value (2.2 e^-16) is approximately zero which indicates that the model Is significant.
And also the individual test of each variable are all significant at any significance level (alpha) with p values ( 2e^-16, 2e^-16, 1.36e^-6).
Thirdly we can say of the strength of the relationship between calories and the independent variable through the R value = √R square = √0.929 = 0.9638 which indicates a strong relationship between them.
Therefore, the statistician model makes sense to predict the calories in food items.
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find the circumference of the circle use 3.14 r=6
Circumference of the circle is 37.68 feet
What is circumference of the circle?A circle's diameter is multiplied by to determine its circumference (pi). You can also determine the circumference by multiplying 2radius by pi (=3.14).
R is specified as 6 feet, with a diameter of 12 feet (2 x 6).
Circumference: 12 feet times 3.14 inches, or 37.68 feet
If r is equal to 6 cm, the circumference is given by c = 2 (6) = 12 cm. If you'd rather have a number, the solution is 37.7 cm, rounded to the closest tenth.
D is the diameter, which is equal to 2 times r in the circumference formula ( r is the radius).
The distance between the center of the sphere and any plane passing through it is known as the circumference.
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Jamie is an analyst at an education technology company. She gathered data on the results of a certain type of question. Of the 2,000 re
she looked at, 1,092 responded correctly.
What equation could Jamie use to calculate the margin of error at a 90% confidence interval?
0. 454
2. 58
1,092
1. 96
2,000
0. 546
1. 65
(1-1
ME=
Reset
Next
Next
The 90% confidence interval's margin of error is 0.0183, and its success probability is 0.546.
What is margin of error?The term "margin of error" refers to the probability or "chances of error" when selecting or computing a sample in a survey.
Jamie works as an analyst for a provider of educational technologies. She gathered information on the outcomes of a particular kind of query. 1,092 of the 2,000 replies she examined were accurate.
Here,
Number of samples, N=2000
Probability of responding correctly,
=1092/2000
=0.546
Z-score at 90% confidence level,
=1.645
Margin of Error ME,
=z*√(p*(1-p)/N)
=1.645*√(0.546*(1-0.546)/2000)
=1.645*√(0.546*0.454)/2000
=1.645*√(0.248/2000)
=1.645*√0.000124
=1.645*0.011
=0.0180
With a success rate of 0.546 percent, the margin of error for the 90% confidence interval is 0.0183.
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49. Use the system of inequalities below to complete part A through part C.
3x + y >= - 1
2y - 4 > 3x
Part A) Graph the system of inequalities and shade the solution set.
Part B) Is the point (1, 3) a solution to the system? Why or why not?
Part C) Determine 3 points that ARE solutions to the system.
Part D) Determine 3 points that ARE NOT solutions to the system.
A. The system of inequality is plotted and the graph is attached
B. (1, 3) is not a solution because it does not satisfy the two equations
C. the three points that are solutions are
(-1, 3) (-1, 4) (1, 4)How to find the solutions of the system of the equationsSubstituting the given point into the two system of equation if it satisfies the equation then it is a solution
For (1, 3)
3x + y ≥ - 1
3 * 1 + 3 ≥ - 1
6 ≥ - 1 correct
2y - 4 > 3x
2 * 3 - 4 > 3 * 1
2 > 3 - wrong hence not a solution
For (-1, 3)
3x + y ≥ - 1
3 * -1 + 3 ≥ - 1
0 > -1 correct
2y - 4 > 3x
2 * 3 - 4 > 3 * -1
2 > -3 correct this is a solution
(-1, 4) and (1, 4) other solutions are deduced form the attached graph where two the two shaded points intersect
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A woman bought some large frames for $19 each and some small frames for $9 each at a closeout sale. If she bought
11 frames for $129, find how many of each type she bought.
Answer:
She bought 3 large frames and 8 small frames.
Step-by-step explanation:
X= Large frames = $19
Y= Small frames = $ 9
Total Frames Cost = $129
Total Frames = 11
Then, costs formula:
1) 19X + 9Y = 129
2) X + Y = 11
So here you have a equation system and we will solve it by substituion method:
2) Y = 11-X
replace Y in 1)
1) 19X + 9(11-X) = 129
19X +99 -9X = 129
10X = 129-99
10X = 30
X = 30/10
X = 3
Then
Y = 11-3
Y = 8
write an equation of the line, passing through the points (-5,-25) , (0,0), and (3,15)
Answer:
y =5x
Step-by-step explanation:
y = 5x
Because the slope is 5 and the y-intercept is 0.
Alex, an eighth grader, and Eric, a seventh grader, need to determine who came closer to their grade’s state record for the triple jump. Alex jumped 39.75 feet and
Eric jumped 37 feet and 1 1 inches. Who was closer to the state record if the 4
eighth-grade record is 42.25 feet and the seventh-grade record is 39 feet 3 inches?
The distance Alex jumped and the distance Eric jumped compared with the state records indicates that the magnitude of Eric's score was closer to their grades state record
What is the magnitude of a value?The magnitude of a value is the value itself, indicating the distance of the number from zero.
Alex is an eight grader
Eric is a seventh grader
The distance Alex jumped = 39.75 feet
The distance Eric jumped = 37 feet 11 inches
The eight grade record = 42.25 feet
The seventh grade record = 39 feet 3 inches
Each athlete distance jumped is compared with the record for the grade at which they jumped
The deviation of the distance jumped from the record scores are;
Alex's difference between distance jumped and the record = 39.75 - 42.25 = -2.5
The difference between the distance Eric jumped and the record = 37 feet + 11 inches - (39 feet + 3 inches) = -(1 feet + 4 inches)
-(1 feet + 4 inches) = -1.[tex]\overline 3[/tex] inches
The magnitude of the difference between the distance Eric jumped and the state record is smaller, therefore, Eric was closer to the state record
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Answer: I can confirm that Eric is closer!
Step-by-step explanation:
in a paired test, a factor is what you are testing to see the effect of because its effect is unknown. group of answer choices true false
True, In a paired test, a factor is what you are testing to see the effect of because its effect is unknown.
The paired t-test is a technique for determining whether or not the mean difference between two measurement pairs is zero. When your data values are paired measurements, you can apply the test.
The dependent samples t-test, paired difference t-test, matched pairs t-test, and repeated-samples t-test are other names for the paired t-test. You might not be able to test for normality if your sample sizes are too small. You might have to rely on your comprehension of the information. You might also do a nonparametric test that doesn't make the assumption of normality.
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What is the answer i need answers now I'm am going to fail
Answer:
5f + 4s
Step-by-step explanation:
Third option
What are the equation in slope of the line that is perpendicular to the Y axis and goes through the point (-2,3)?
A. X=-2, slope is undefined
B. X=3, slope is undefined
C. Y=3, slope is 0
D. X=-2, slope is 0
Please help. Thank you
Answer:
C
Step-by-step explanation:
A line perpendicular to the y-axis is a horizontal line
Horizontal lines have slope = 0
answer C y = 3 slope = 0
Which graph represents the solution to 5 + 8x < 3 (2x+4)?
Graph (D) represented the inequality solution of 5+x<3(2x+4).
What do we mean by the graph?The set of ordered pairs is the graph of a function f in mathematics, where These pairs are Cartesian coordinates of points in two-dimensional space and so form a subset of this plane in the typical situation when x and f(x) are real integers.
To develop a graph is to make a diagram that depicts the relationship between two or more objects.
Make a sequence of bars on graph paper as an example of a graph.
So, we have the inequality:
5 + 8x < 3 (2x+4)
Now, we need to plot this on the graph:
(Refer to the graph attached below)
We can easily tell that this is identical to graph sin option (D).
Therefore, graph (D) represented the inequality solution of 5+x<3(2x+4).
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NEED HELP!! Can someone help me solve this puzzle I think I have that first two right?
Reflection of point 1 over X axis is (-4, -2)
Reflection of point 2 over Y axis is (2, 3)
Reflection of point 3 over x = 1 is (2, 1)
Reflection of point 4 over y = x is (2, -1)
What is Reflection of a point?
A reflection point occurs when a figure is constructed around a single point known as the point of reflection or center of the figure. For every point in the figure, another point is found directly opposite to it on the other side.
According to the given question:
1. Reflection of point 1 over X axis (x, -y) ⇔ (x, y)
∴ Reflection of (-4, 2) over X axis is (-4, -2)
2. Reflection of point 2 over Y axis (x, y) ⇔ (-x, y)
∴ Reflection of (-2, 3) over Y axis is (2, 3)
3. Reflection of point 3 over x = 1
∴ Reflection of (-2, 1) over x = 1 axis is (2, 1)
4. Reflection of point 4 over y = x is (x, y) ⇔ (y, x)
∴ Reflection of (-1, 2) over X axis is (2, -1)
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The equation of line s is y=–4x–5/3. Line t includes the point (–3,3) and is parallel to line s. What is the equation of line t?
Answer:
write the equation in slope intercept form. Write the numbers in the equation as simplified proper fraction improper fraction or integer
The equation of the parallel line t is y = -4x - 9.
The equation of line s is given as
y = -4x - 5/3
Also, from the question, the point on line t is given as Point = (-3, 3)
The equation of a line can be represented as
y = m x + c-------(1)
Where m represents the slope
c is the constant value
By comparing the equations, we have the following
m = -4
This means that the slope of y = -4x - 5/3 is -4
The slopes of parallel lines are equal
This means that the slope of the line t is -4
The equation of the parallel line is then calculated as:
y = m(x - x₁) +y₁
Where m = -4
(x₁, y₁) = (-3, 3)
Now, we should substitute the known values in the above equation(1)
y = -4(x + 3) + 3
By Evaluating we get
y = -4x - 12 + 3
y = -4x - 9
Hence, the parallel line has an equation of y = -4x - 9.
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Sample Space = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
A = {1, 2, 3, 4}
B={1, 3, 5, 7, 9}
Find P(A and B)
The value of P(A and B) is 1/5.
What is Sample Space?
The set of all potential outcomes or results of an experiment or random trial is referred to as the sample space in probability theory. The sample points, or potential ordered outcomes, are listed as elements in the set notation used to represent a sample space.
Here, we have
Given
Sample Space = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
A = {1, 2, 3, 4}
B={1, 3, 5, 7, 9}
We have to find P(A and B).
First, we will find A and B i.e A∩B
A∩B = {1,3}
Now, we will find P(A and B).
P(A and B) = n(A∩B)/n(S)
P(A and B) = 2/10
P(A and B) = 1/5
Hence, the value of P(A and B) is 1/5.
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Name 3 biotic factors in a marine ecosystem
Answer:
Biotic factors of a marine ecosystem typically include algae, plankton, bacteria, seaweed, corals, fish, sharks, seals, whales, penguins and jellyfish.
Step-by-step explanation:
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Given the vector u equal to 7 (cos 310°, sin 310°) and vector v equal to
2 (cos 115°, sin 115°), find the sum u + v and write your answer in magnitude
and direction form with the magnitude rounded to the nearest tenth and the
direction rounded to the nearest degree, 0° ≤ 0 < 360°.
To find the sum of vectors u and v, we can add their components separately:
(u + v)x = (7cos 310° + 2cos 115°)
(u + v)y = (7sin 310° + 2sin 115°)
Using a calculator to evaluate these expressions, we get:
(u + v)x = -2.16
(u + v)y = 8.48
The magnitude of the sum vector u + v can be found using the Pythagorean theorem:
|u + v| = √((u + v)x^2 + (u + v)y^2)
= √(-2.16^2 + 8.48^2)
= √(72.3584)
= 8.51
The direction of the sum vector u + v can be found using the inverse tangent function:
θ = tan^(-1)((u + v)y / (u + v)x)
= tan^(-1)(8.48 / -2.16)
= tan^(-1)(-3.928571428571429)
= 143.13°
Rounding the magnitude to the nearest tenth and the direction to the nearest degree, we get:
u + v = 8.5 (cos 143°, sin 143°)
Therefore, the sum of vectors u and v is equal to 8.5 (cos 143°, sin 143°).
necesito ayuda porfaa
From the equation, the value of m is 4
How to determine the value of m?The given parameter is
0.m1+ 0.m2 + 0.m3 = 11/14
Simplify this to have
m1 / 99 + m2 / 99 + m3 / 99 = 11/14
Simplify the equation further
( m1 + m2 + m3 ) / 99 = 11/14
⇒( m1 + m2 + m3 ) = 126
By multiplication we have
( 10 * m + 1 ) + ( 10 * m + 2 ) + ( 10 * m + ) = 126
Simplify to get
30 * m + 6 = 126
30 * m = 120
m = 4
Therefore the value of m is 4
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Translated question:
Please help, given that 0.m1 +0.m2 +0.m3 = 14/11, Find the value of m
Ten friends went out for a special dinner. If each person paid $24, what was the total
cost of the dinner?
Answer: 240
Step-by-step explanation: you take 10 times 12 and you get 140
Answer:
$240
Step-by-step explanation:
If ten friends went out and each was $24 it’s 10x24 which is equal to $240
HELPPP asapppp DUE SOONN
Using the parameters associated with the parabola and the formula for the equation using the focus and the focal diameter, The required equation is
[tex]x = \frac{-1}{62} (y+5)^{2}+ \frac{9}{2}[/tex] .
What is a parabola?A parabola is an approximately U-shaped, mirror-symmetrical plane curve in mathematics. It corresponds to a number of seemingly unrelated mathematical descriptions, all of which can be shown to define the same curves.
What is focus and directrix of parabola?All points in a plane that are equally spaced out from a given point and a given line make up a parabola. The line is known as the directrix, and the point is known as the parabola's focus. The parabola's axis of symmetry is the subject of attention.
focus = (-11,5)
focal diameter =20
Required equation of parabola,
[tex]x = \frac{-1}{62} (y+5)^{2}+ \frac{9}{2}[/tex]
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Which whole number is divisible by 3 and 9?
68
289
1,645
2.439
3,515
Answer:
ANS:- 2439
Step-by-step explanation:
2439/3 = 813
2439/9 = 271