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musickatia [10]
3 years ago
13

A-ahh~ nya~ zaddy harder

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.

6 0
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:

Since they must use 4 charms per bracelet, 80 divided by 4 is 20 so 20 bracelets can be made.

8 0
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.

500 is tested at the null hypothesis:

This means that \mu = 500

She takes a random sample of 16 bottles and finds a mean amount of 497ml, and a sample standard deviation of 6ml.

This means that n = 16, X = 497, s = 6

Calculate the test statistic for Norah's test.

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

t = \frac{497 - 500}{\frac{6}{\sqrt{16}}}

t = -2

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

4 0
3 years ago
Read 2 more answers
drug sniffing dogs must be 95% accurate in their responses because their handlers don't want them to miss durgs and also don't w
GenaCL600 [577]

Answer:

95% Confidence interval:  (0.8449,0.9951)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 50

Number of times the dog is right, x = 46

\hat{p} = \dfrac{x}{n} = \dfrac{46}{50} = 0.92

95% Confidence interval:

\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

z_{critical}\text{ at}~\alpha_{0.05} = 1.96

Putting the values, we get:

0.92 \pm 1.96(\sqrt{\dfrac{0.92(1-0.92)}{50}})\\\\ = 0.92\pm 0.0751\\\\=(0.8449,0.9951)

(0.8449,0.9951) is the required 95% confidence interval for the proportion of times the dog will be correct.

7 0
3 years ago
Please help ! As soon as possible!
Eduardwww [97]
The answer is $11.25 because 110-8.75÷9
7 0
3 years ago
Read 2 more answers
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