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shepuryov [24]
2 years ago
13

I need help with this question pleaseeeeeeee

Mathematics
2 answers:
dexar [7]2 years ago
7 0

Answer:

8r and -4r

3s and -3s

second andd fourth answer

xz_007 [3.2K]2 years ago
5 0

Answer:

A and D!

Edit: I meant B and D

Step-by-step explanation:

whoops

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Find the volume of the sphere. leave your answer in terms of pi <br>r=4​
cricket20 [7]

Answer:

To find an answer in pi square the radius and multiply by pi

Step-by-step explanation:

To

find volume of a sphere = 4/3Πr³

Answer =17,164.2pi Am not sure but i hope its correct.

4 0
2 years ago
Which measure represents the standard deviation of the sample means and is used in place of the population standard deviation wh
Ksivusya [100]

The measure represents the standard deviation of the sample means and is used in place of the population standard deviation when the population parameters are unknown is; t-test.

<h3>Which measure is used when the population parameters are unknown?</h3>

A hypothesis test for a population mean when In the case that the population standard deviation, σ, is unknown, carrying out a hypothesis test for the population mean is done in similarly like the population standard deviation is known. A major distinctive property is that unlike the standard normal distribution, the t-test is invoked.

Read more on t-test;

brainly.com/question/6501190

#SPJ1

4 0
1 year ago
Carl wants to buy a television that cost $500 including taxes to pay for the television he will use a payment plan that requires
ozzi

Answer:

41%

Step-by-step explanation:

Given the cash price is $500, the hire purchase price is calculated by summing the installment and down-payment:

Hire \ Purchase \ Price=Installments +Downpayments\\\\=8\times 72.50+125\\\\=705

#Percentage increase in price is the difference between the hire purchase price and list price as a percentage of the list price:

\bigtriangleup Price=705-500\\\\=205\\\\\%\bigtriangleup Price=\frac{\bigtriangleup Price}{500}\times 100\%\\\\\\=\frac{205}{500}\times100\%\\\\=41\%

Hence, the % increase in price is 41%

7 0
3 years ago
Please do all of them correct and quick I will mark brainliest and 10 points ty pls I’m on a time limit
sweet-ann [11.9K]

1: 9pi

2. 18

3. 12pi

4. 672

5. 23.94

6. 10 3/4

7 0
2 years ago
How can you prove someone is lying? my sister and i both got in trouble, i know i didn’t do anything so how can i show she’s lyi
kramer

You can prove someone is lying by taking a video of it

OR

You can drop something and blame it on your sister

OR

You can hit your head on the wall when she enters the room and blame it on her. haha!

5 0
2 years ago
Read 2 more answers
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