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Mathematics

2 answers:

Lelu [443]3 years ago

8 0

Answer:

No Ma'am-

No Ma'am

No Ma'am..

Neko [114]3 years ago

6 0

Lolbsjdjsudiwuxieudidsid

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How do i solve a triangles area

shusha [124]

Answer:

Area = 1/2 Base x height

Step-by-step explanation:

To find the area of a triangle, multiply the base of the height and then divide by 2. The division by 2 comes from the fact that a parallelogram can be divided into two triangles.

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4 years ago

Jill and Katie are making bracelets to sell at The Windmill. They determined that each bracelet would have six beads and four ch

Kobotan [32]

Answer:

20 bracelets

Step-by-step explanation:

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3 years ago

A factory fills bottles with a beverage, and each bottle is supposed to contain 500\text{ mL}500 mL500, start text, space, m, L,

Delicious77 [7]

Answer:

The test statistic for Norah's test is $t = -2$

Step-by-step explanation:

Norah is in charge of a quality control test that involves measuring the amounts in a sample of bottles to see if the sample mean amount is significantly different than 500 ml.

This means that at the null hypothesis we test if the sample mean is 500 ml, that is:

$H_0: \mu = 500$

At the alternate hypothesis, we test if it is differente than 500 ml, that is:

$H_a: \mu \neq 500$

The test statistic is:

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

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