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4 years ago

Find the volume of the sphere to the nearest whole number. Use pi = 3.14. A. 131 in. 3 B. 393 in. 3 C. 4,187 in. 3 D. 523 in. 3

Mathematics

1 answer:

Westkost [7]4 years ago

5 0

The answer is B. That's what I got

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In geometry, Heron's formula (sometimes called Hero's formula), named after Hero of Alexandria, gives the area of a triangle by

uysha [10]

Answer:

C) $6.495\: ft^2$

Step-by-step explanation:

a = 7 ft, b = 3 ft, c = 5 ft (Given)

Therefore, a + b + c = 7 + 3 + 5 = 15 ft

Let's calculate semi Perimeter of the triangle which is given by s

$s =\frac{a+b+c}{2}=\frac{15}{2} = 7.5 \: ft$

Now, by Heron's formula, area of triangle ABC is given as:

$A(\triangle ABC) =\sqrt{s(s-a) (s-b)(s-c)}$

$\therefore A(\triangle ABC) =\sqrt{7.5(7.5-7) (7.5-3)(7.5-5)}$

$\therefore A(\triangle ABC) =\sqrt{7.5(0.5) (4.5)(2.5)}$

$\therefore A(\triangle ABC) =\sqrt{42.1875}$

$\therefore A(\triangle ABC) =6.49519053$

$\therefore A(\triangle ABC) =6.495\: ft^2$

8 0

3 years ago

Which polynomial is written in standard form?

Sauron [17]

It would be H. hope this helps

4 0

4 years ago

Help me on questions 8 through 12

mr_godi [17]

8. To find the answer you can eather multipy it for each of the sides or you can add it 6 times once for each side
$15\frac{1}{4} \times 6 \\ \\ 15 \frac{1}{4} + 15 \frac{1}{4} + 15 \frac{1}{4} + 15 \frac{1}{4} + 15 \frac{1}{4} + 15 \frac{1}{4}$
9. You basicly do the same thing as the previous problem but with the new numbers and you add each number 2 times

10. For are you multiply Base × Height So all you have to do is Multiply the 2 numbers shown together
$2 \frac{1}{2} \times 5$
11-12 Is the same but witb the new numbers

I hope this helps!

6 0

3 years ago

Emery's blueberry farm can produce 522 bushels of blueberries in 2 days. At this rate, how many bushels of blueberries can Emery

klio [65]

Answer:

2349 blueberries

Step-by-step explanation:

522 X 4 1/2 days = 2349 bushels

:))

4 0

2 years ago

Read 2 more answers