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2 years ago

Please answer i will give brainliest and extra points!

Mathematics

1 answer:

pav-90 [236]2 years ago

4 0

Answer:

Esther's is more expensive

Step-by-step explanation:

2 dollars per soda

Brainly plss

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The steps below show the incomplete solution to find the value of y for the equation 4y − 2y − 4 = −1 + 13: Step 1: 4y − 2y − 4

Maurinko [17]

Answer:

You stopped at 2y-4=12

If we add same number to both sides the equation will remain true. For example if we have 5=5, and we add 7 to both sides, we get 12=12 which is also true. Now let's do this with our equation. Add 4 to both sides(to have only y on the left side). We get 2y=16, hence y=8.

Answer. 2y=16

3 0

2 years ago

1+1 wrong answers only

Ber [7]

Answer:

Step-by-step explanation:

3 0

2 years ago

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Three consecutive odd integers have a sum of 27. What is the greatest of these integers?

Gnoma [55]

Answer:

Step-by-step explanation:

The middle of the three is their average, their sum divided by 3:

middle = 27/3 = 9

Then the largest is 2 more. It is 11.

6 0

3 years ago

I will give Brainly points

slamgirl [31]

Answer:

you cant see the whole graph in the photo or the question

4 0

3 years ago

Archimedes calculated the volume of a sphere by comparing it to what solid? prism cylinder pyramid box

Stella [2.4K]

<h2>Answer:</h2>

cylinder

<h2>Step-by-step explanation:</h2>

Archimedes was a brilliant mathematician. This man rose the formula of the volume of a sphere by comparing this shape to a cylinder. The volume of a sphere is hard to calculate by comparing this object to a cube. So Archimedes imagined cutting a sphere into two halves, called hemispheres. So an hemisphere gave him a flat surface, which is easier to work with. Therefore, if he'd find the volume of a hemisphere, then he'd multiply the result by 2 and would get the volume of a sphere. Then he imagined a hemisphere within a cylinder as the one shown below. Also, he imagined a cone within the same cylinder. <em>What did he find? </em>He found that the volume of the hemisphere should be equal to the volume of the cylinder minus the volume of the cone:

$V=\pi r^3-\frac{1}{3}\pi r^3 \\ \\ V=\frac{2}{3} \pi r^3$

Then the volume of a sphere is twice this volume:

$\boxed{V=\frac{4}{3} \pi r^3}$

3 0

3 years ago