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3 years ago

Can someone tell me what 2/3 divided by 5 is it’s for a quiz.

2 answers:

8 0

It’s simple just do stay switch flip 1. Keep 2/3 2. Make division to multiplication then...3. Turn 5 into 1/5! Then you get 2/15! The question might ask you to simplify the fraction.

docker41 [41]3 years ago

7 0

Answer:2/15 hope this helps

Step-by-step explanation:

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3 years ago

Please Help! Evaluate the function at each specified value of the independent variable and simplify. (If an answer is undefined,

Licemer1 [7]

Answer:

Given:

g(t) = 5t² − 8t + 3

Find the following

g(2)

g(2) = 5(2²) - 8(2) + 3 = 20 - 16 + 3 = 7

g(t - 2)

g(t - 2) = 5(t - 2)² - 8(t - 2) + 3 = 5t² - 20t + 20 - 8t + 16 + 3 = 5t² - 28t + 39

g(t) - g(2)

g(t) - g(2) = 5t² − 8t + 3 - 7 = 5t² − 8t - 4

3 0

3 years ago

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Sergeeva-Olga [200]

Answer:

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5 0

3 years ago

Assume that a simple random sample has been selected from a normally distributed population. Find the test statistic t.

lawyer [7]

Using the t-distribution, it is found that the p-value of the test is 0.007.

At the null hypothesis, it is tested if the mean lifetime is not greater than 220,000 miles, that is:

$H_0: \mu \leq 220000$

At the alternative hypothesis, it is tested if the mean lifetime is greater than 220,000 miles, that is:

$H_1: \mu > 220000$ .

We have the standard deviation for the sample, thus, the t-distribution is used. 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.

For this problem:

$\overline{x} = 226450, \mu = 220000, s = 11500, n = 23$

Then, the value of the test statistic is:

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

$t = \frac{226450 - 220000}{\frac{11500}{\sqrt{23}}}$

$t = 2.69$

We have a right-tailed test(test if the mean is greater than a value), with t = 2.69 and 23 - 1 = 22 df.

Using a t-distribution calculator, the p-value of the test is of 0.007.

A similar problem is given at brainly.com/question/13873630

8 0

2 years ago

Simplified quotient of x+8/x^2÷2x+16/2x^2?

sineoko [7]

Answer:

Step-by-step explanation:

The exprssion to be simplified is,

$\frac{x + 8}{ {x}^{2}} \div \frac{2x + 16}{ {2x}^{2} }$

$= \frac{x + 8}{ {x}^{2}} \times \frac{ {2x}^{2} }{2x + 16}$

$= \frac{ {2x}^{3} + {16x}^{2} }{{2x}^{3} + {16x}^{2}}$

8 0

3 years ago