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gregori [183]
3 years ago
10

The volume of a sphere whose diameter is 18 cm is

Mathematics
1 answer:
prohojiy [21]3 years ago
5 0

Answer:

  = 3052.08 cm^3

Step-by-step explanation:

Volume of a sphere is given by

V = 4/3 pi r^3

We know the diameter is 18

d = 2r

18 = 2r

Divide each side by 2

18/2 =2r/2

9 =r

V = 4/3 pi 9^3

V = 4/3 pi (729)

V = 972 pi

Approximating pi by 3.14

V =972 (3.14)

  = 3052.08 cm^3

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What can you do to isolate the variable on one side of the equation? ___________
suter [353]

Answer:

  Subtract (remove) 2 x-tiles from both sides.

  x = 5

Step-by-step explanation:

According to the rules of equality, you can add or subtract the same number(s) from both sides of the equal sign. Here, it is convenient to subtract the number of tiles that is on the side with the least number of tiles. That means we want to subtract 2 x-tiles from both sides.

The result of doing that is the answer:

  x = 5

4 0
4 years ago
On Monday a Farmer sold 25196 pounds of potatoes on tuesday he sold 18023pounds on Wednesday he sold some more potatoes in all h
arlik [135]

Answer:

<em>estimated sales on Wednesday is 19000 pounds.</em>

<em></em>

Step-by-step explanation:

On Monday, he sold 25196 pounds. Estimated to the nearest thousand that is 25000 pounds.

On Tuesday, he sold 18023 pounds. Estimated to the nearest thousand, that is 18000 pounds

Wednesday's sales is unknown. We designate as x

All in all he sold 62409. Estimated to the nearest thousand, that is 62000

The sales on Monday, plus sales on  Tuesday, plus sales on Wednesday, must all sum up to the total sales.

25000 + 18000 + x = 62000

43000 + x = 62000

x = 62000 - 43000 = 19000

therefore <em>estimated sales on Wednesday is 19000 pounds.</em>

3 0
3 years ago
ACE is an isosceles triangle. What is the measure of
forsale [732]

Given that ACE is an isosceles triangle, the measure of ∠CDB is: 55°

<h3>What is an Isosceles Triangle?</h3>

The two base angles of any isosceles triangle are always congruent to each other.

Therefore:

m∠CBD = m∠CDB

m∠CBD = 180° - 125° (supplementary angles)

m∠CBD = 55°

Therefore:

m∠CBD = m∠CDB = 55°

In summary, given that ACE is an isosceles triangle, the measure of ∠CDB is: 55°

Learn more about isosceles triangles on:

brainly.com/question/11884412

7 0
2 years ago
Can anyone help me with this
stiv31 [10]

Answer:

12

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
The same digits are used for the expressions 34and 43.Explain how to compare the values of the expressions. whoever answers corr
Norma-Jean [14]

(3x10) + (4x1) = 34

(4x10) + (3x1) = 43

There are three tens in 34 and 4 tens in 43, and there are 4 ones in 34 and 3 ones in 43

Mark as Brainllest

8 0
3 years ago
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