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lorasvet [3.4K]
3 years ago
14

I need help with this question, thank you. EXPLAIN.

Mathematics
2 answers:
ratelena [41]3 years ago
8 0

Answer:

263.76

Step-by-step explanation:

It is 7 times 12 times 3.14. Then you round your answer

Genrish500 [490]3 years ago
3 0
The formula for the volume of a cylinder is V=πr^2h. Which is volume equals pie * radius squared * height. pie = 3.14. radius is diameter/2, 3.5 in this case, then squared which is 3.5 * 3.5. And the height is 12. You take 3.14, 3.5^2, and 12 then multiply each term. So your substituted equation would be V=3.14(3.5^2)12.

This is how it would go:

V=3.14(3.5^2)12.
3.5^2 = 12.25.
- just squared 3.5, that equals 12.25

V=3.14(12.25)12
3.14 * 12.25 = 38.465
- pie times 12.25 equals 38.465

V=38.465(12)
38.465 * 12 = 461.58
- 38.465 * 12 = 461.58

V=461.58
- Your answer is 461.58 centimeters!!

if you didn’t know,
^ is what you use for exponents
* is what you use for multiplying
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Answer:

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Step-by-step explanation:

3 0
4 years ago
Which expressions are equivalent to 9x(2+y) ?
sergiy2304 [10]
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7 0
3 years ago
Identify the equation of the circle that has its center at (7, -24)
Advocard [28]

Answer:

(x-7)²+(y+24)² = 625

Step-by-step explanation:

A circle with center (h, k) and radius r can be represented as

(x-h)²+(y-k)² = r²

We know the center and one point, and need to find the radius. The radius is equal to the distance from the center to any point on the circle. Therefore, we need to find the distance from the center to the point on the circle (in this case, the origin) to obtain the radius.

The distance formula for points (x₁, y₁) and (x₂, y₂) is √((x₁-x₂)²+(y₁-y₂)²). Note that x₁ and x₂ (as well as y₁ and y₂) are interchangeable but x₁ and y₁ or x₂ and y₂ are not.

Our distance between (7, -24) and the origin is

√((x₁-x₂)²+(y₁-y₂)²) = √((7-0)²+(-24-0)²)

= √625

= 25

Therefore, the radius is 25 and our equation is

(x-7)²+(y-(-24))² = (x-7)²+(y+24)² = 25² = 625

7 0
3 years ago
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Mice21 [21]

Answer:

The correct answer is 75 cubic feet.

Step-by-step explanation:

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Number of blocks needed to fill the bottom of the the chest is 25.

Height of the chest is 3 feet.

Therefore there are three layers to be filled by blocks. Each layer needs 25 blocks each. Thus number of blocks needed to fill the whole chest is 25 × 3 = 75.

Volume of 75 blocks = Volume of the chest = 75 × 1 = 75 cubic feet.

Therefor the volume of the chest is given by 75 cubic feet.

5 0
4 years ago
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Answer:

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Step-by-step explanation:

Plz mark me Brainiliest plz :)

5 0
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