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3 years ago

15

What number is 12 1/2

1 answer:

Anettt [7]3 years ago

6 0

You mean like in a decimal? It'd be 12.5 or 12.50.... Same thing.

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Find the diameter of a cone that has a volume of 104.67 cubic inches and a height of 4 inches. Use 3.14 for pi.

Lady bird [3.3K]

Answer:

Step-by-step explanation:

The volume of a cone is

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

Filling in what we have:

$104.67=\frac{1}{3}(3.14)r^2(4)$ and simplifying a bit:

$104.67=\frac{1}{3}(12.56)r^2$

Multiply both sides by 3 to get:

$314.01=12.56r^2$

Divide both sides by 12.56 to get:

$25.00079618=r^2$ and take the square root of both sides to find the radius:

r = 5

If the radius is 5 and the radius by definition is half the diameter, then the diameter is 10 inches.

7 0

3 years ago

Please show work, thanks

Brut [27]

Answer:

4) 1400 $in^3$

5) 304 $\Pi$ or 954.56 $yd^3$

6) 315 $ft^2$

Step-by-step explanation:

$4)$

$V = \frac{lwh}{3} = \frac{20*20*10.5}{3} = \frac{4200}{3} = 1400$

$5)$

$A = \Pi(\frac{D}{2})^2 = \Pi(\frac{8}{2})^2 = \Pi*4^2 = 16\Pi$

$V = A * h = 16\Pi * 19 = 304\Pi = 304 * 3.14 = 954.56$

$6)$

$h^2 = 8^2 + 8^2 => h^2 = 64 + 64 = 128 => h =\sqrt{128}$

$A_1 = 2(\frac{8*\sqrt{128}}{2}) = 8*\sqrt{128} = 32 = 90.5$

$A_2 = 2(14 * 8) = 2*112 = 224$

$A = A_1 + A_2 = 91 + 224 = 315$

6 0

3 years ago

Ms. Wilson’s taxable income is 36,201. She is filling as single, and she has already paid $5344 in federal tax’s. What will she

ad-work [718]

Answer:

this question need more details

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

The romans marched 500 meters in 4 hours. For the next 4 hours they tripled their pace. What was the total distance traveled by

lara31 [8.8K]

Distance traveled during the first 4 hours: 500 m Note that the rate here was 125 m/hr.

Distance traveled during the next four hours: 3(125 m/hr)(4 hr) = 375 m

Total distance traveled: 500 m + 375 m = 875 m

7 0

3 years ago

What is the fraction for 1.83

hram777 [196]

As a fraction = 1*83/100
As an improper fraction = 183/100

8 0

3 years ago