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4 years ago

13

Write a rule for a transformation that maps ASTU to ASTU.

1 answer:

VARVARA [1.3K]4 years ago

3 0

Answer:

Horizontal Stretch by Scale Factor 1/2.

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At Sara's new job she spent $11.52, $6.48, $5.99, $14.00, and $9.50 on lunch the first week. In the second week, she spent $4 mo

elena55 [62]

The total amount that Sara spent for her meals during the first week is,
$11.52 + $6.48 + $5.99 + $14.00 + $9.50 = $47.49
With an average of $9.498

During the second week, she spent $4 more making her total equal to $51.49. The average is equal to $10.298. The increase in the mean is equal to,
increase in mean = $10.298 - $9.498 = $0.8<span>Comments</span>

4 0

3 years ago

Read 2 more answers

A professor at a university wants to estimate the average number of hours of sleep the students get during exam week. The profes

balandron [24]

Answer:

The sample size is $n = 2$

Step-by-step explanation:

From the question we are told that

The margin of error is E =4.266

The standard deviation is $\sigma = 2.539$

From the question we are told the confidence level is 99% , hence the level of significance is

$\alpha = (100 - 99 ) \%$

=> $\alpha = 0.01$

Generally from the normal distribution table the critical value of $\frac{\alpha }{2}$ is

$Z_{\frac{\alpha }{2} } = 2.58$

Generally the sample size is mathematically represented as

$n = [\frac{Z_{\frac{\alpha }{2} } * \sigma }{E} ] ^2$

=> $n = [\frac{2.58 * 2.539 }{4.266} ] ^2$

=> $n = 2$

6 0

3 years ago

F(x)=x^2. what is g(x)?

Degger [83]

Answer:

C

Step-by-step explanation:

g(x) = 4x²

g(x) is steeper than f(x) and the ordered pair (1, 4) fits in option C:

g(1) = 4(1)² = 4

7 0

3 years ago

What ordered pair is a solution of 5x-2y=18

vodka [1.7K]

(0,-9) could be a solution

4 0

3 years ago

Roman said that the ratio comparing how many miles he walks to how many miles patrick walks each week is 3:2. patrick said that

Viktor [21]

Answer:

Since Roman walks 1 more than Patrick then you have to subtract 1 from Patricks number of miles.

4 0

3 years ago