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4 years ago

Translation can be written in ordered pair notation true or false

Mathematics

1 answer:

Andrew [12]4 years ago

5 0

True. Translation can be written in ordered pair notation.

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9 less than the sum of x and y

Zarrin [17]

If we need to turn this into a mathematical expression:

Answer: (x + y) - 9

Step-by-step explanation:

9 less than the sum of x and y

(the sum of x and y) - 9

(x + y) - 9

Read more about algebraic expressions here:

brainly.com/question/27791850

7 0

2 years ago

Select 3 numbers to get the sum of 30, the numbers are 1, 3, 5, 7, 9, 11, 13, 15

Firdavs [7]

i think there is a trick so the 3 nbs are 9+11+13=33

How's that we need 30

if we flip 9 we get 6

so the answer would be 6+11+13=30

4 0

3 years ago

g A sanitation supervisor is interested in testing to see if the mean amount of garbage per bin is different from 50. In a rando

Tema [17]

Answer:

We accept the null hypothesis, that is, the the mean amount of garbage per bin is not different from 50.

Step-by-step explanation:

A sanitation supervisor is interested in testing to see if the mean amount of garbage per bin is different from 50.

This means that the null hypothesis is:

$H_{0}: \mu = 50$

And the alternate hypothesis is:

$H_{a}: \mu \neq 50$

The test statistic is:

$z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

In which X is the sample mean, $\mu$ is the value tested at the null hypothesis, $\sigma$ is the standard deviation and n is the size of the sample.

50 tested at the null hypothesis:

This means that $\mu = 50$

In a random sample of 36 bins, the sample mean amount was 50.67 pounds and the sample standard deviation was 3.9 pounds.

This means that $n = 36, X = 50.67, \sigma = 3.9$

Value of the test statistic:

$z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

$z = \frac{50.67 - 50}{\frac{3.9}{\sqrt{36}}}$

$z = 1.03$

p-value:

Since we are testing if the mean is differente from a value and the z-score is positive, the pvalue is 2 multipled by 1 subtracted by the pvalue of z = 1.03.

z = 1.03 has a pvalue of 0.8485

1 - 0.8485 = 0.1515

2*0.1515 = 0.3030

0.3030 > 0.01, which means that we accept the null hypothesis, that is, the the mean amount of garbage per bin is not different from 50.

5 0

3 years ago

This quiz is due in a hour, I'll up the points and will also mark BRAINLIEST

padilas [110]

Step-by-step explanation:

cosine=Adjacent

Hypotenuse

3 0

3 years ago

A convex polygon has only the vertices A, B, C, D, and E. What is the sum of the measures of the interior angles of this polygon

kolezko [41]

The sum of the measures interior angles is (n-2)*180 which is equal to 540.

6 0

4 years ago