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3 years ago

9

Ms. Sillah has a recipe that needs quart of fruit juice for every 2 quarts of water. If Ms. Sillah increases the amount of fruit

juice to 5 quarts, how many quarts of water we needed?

1 answer:

Degger [83]3 years ago

3 0

Answer:

10 quarts of water

Step-by-step explanation:

if you need 2 quarts of water for every quart of juice, then you would do 5x2 which is 10

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According to the United States Census Bureau, the average single-family home constructed in 2016 was 2,463 square feet. Carmen w

Dimas [21]

Using the t-distribution, it is found that the value of the test statistic is t = -87.3.

At the null hypothesis, it is <u>tested if the mean is of 2,463 square feet</u>, that is:

$H_0: \mu = 2463$

At the alternative hypothesis, it is <u>tested if the mean is smaller</u>, that is:

$H_1: \mu < 2463$ .

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The test statistic is given by:

$t = \frac{\overline{x} - \mu}{\frac{s}{\sqrt{n}}}$

The parameters are:

$\overline{x}$ is the sample mean.

$\mu$ is the value tested at the null hypothesis.

s is the standard deviation of the sample.

n is the sample size.

The values of the <em>parameters </em>are: $\overline{x} = 1640, \mu = 2463, s = 66, n = 49$ .

Hence, the value of the <em>test statistic</em> is:

$t = \frac{\overline{x} - \mu}{\frac{s}{\sqrt{n}}}$

$t = \frac{1640 - 2463}{\frac{66}{\sqrt{49}}}$

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To learn more about the t-distribution, you can take a look at brainly.com/question/25819230

7 0

2 years ago

9. Consider the line y = 4x+9. If a second line is perpendicular to this one, what is its slope? please show your work, i will m

zlopas [31]

Answer:

Slope of the line perpendicular to the given line = $- \frac{1}{4}$

Step-by-step explanation:

If two are lines are perpendicular to each other,

the product of their slopes = - 1 .

That is ,

$m_ 1 \times m_2 = -1$

Slope of the given line :

$m_ 1 = 4$

Hence slope of the line perpendicular to it :

$4 \times m_ 2 = - 1 \\\\\frac{4}{4} \times m_2 = - \frac{1}{4} \\\\1 \times m_2 = - \frac{1}{4}\\\\m_ 2 = \frac{-1}{4}$

6 0

3 years ago

Read 2 more answers

The question is in photos

DedPeter [7]

Answer: 2535

Step-by-step explanation:

use order of operations (parenthesis, exponents, multiplication/division, addition/subtraction)

first ill handle the two innermost parenthesis

(4 + 3(2 - 8))

(4 + 3(-6))

(4 - 18)

-14

now lets move on to the next parenthesis

( 3 - 5^2(-14))

(3 - 25( - 14)

( 3 + 350)

353

now onto the last part of the problem

8^2 + 7 (353)

64 + 2471

2535 :))

3 0

3 years ago