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Aleks [24]
1 year ago
7

What is the volume of a sphere with a radius of 5.9 in, rounded to the nearest tenth of a cubic inch?

Mathematics
1 answer:
Lynna [10]1 year ago
7 0

\textit{volume of a sphere}\\\\ V=\cfrac{4\pi r^3}{3}~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=5.9 \end{cases}\implies V=\cfrac{4\pi (5.9)^3}{3}\implies V\approx 860.3~in^3

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cupoosta [38]

Answer:

ummmmmmmmmm this makes no sense

Step-by-step explanation:

4 0
2 years ago
1-116 1.2.6
ankoles [38]

Answer:

A. 30 adults; B. 24 not dolls

Step-by-step explanation:

A.

\begin{array}{rcl}\text{No. of adults} & = & \text{No. of visitors} \times \text{Fraction who are adults}\\& = & \text{100 visitors} \times \dfrac{\text{3 adults}}{\text{10 visitors}} \\& = & \textbf{30 adults}\\\end{array}

B.

If five-eighths of the prizes were dolls, then three-eighths of the prizes were not dolls.

\begin{array}{rcl}\text{No. not dolls} & = & \text{No. of prizes} \times \text{Fraction not dolls}\\& = & \text{64 prizes} \times \dfrac{\text{3 not dolls}}{\text{8 prizes}} \\& = & \textbf{24 not dolls}\\\end{array}

3 0
3 years ago
An item costs 340 before tax, and the sales tax is 20.40.
Sonbull [250]

Answer:

Step-by-step explanation:

To find out the sales tax rate, we divide the sales tax by the cost of the item. This will give us what percent of the cost of the item the sales tax is equal to.

So, 20.4 divided by 340 = 0.06

To convert to percent, we multiply 0.06 by 100=6. Therefore, the sales tax rate is 6%.

Check:

340 times 0.06 (the sales tax rate) is 20.4 (the sales tax).

8 0
2 years ago
What is the perimeter of ABC with vertices at A (-11,4) B(-7,8) and C (-4,4)
Alborosie

Answer:

Step-by-step explanation:

Using the distance formula,

AB=\sqrt{(-11-(-7))^{2}+(4-8)^{2}}=\sqrt{16+16}=4\sqrt{2}\\AC=\sqrt{(-11-(-4))^{2}+(4-4)^{2}}=7\\BC=\sqrt{(-7-(-5))^{2}+(8-4)^{2}}=\sqrt{4+16}=2\sqrt{5}\\\\

So the perimeter is 4\sqrt{2}+7+2\sqrt{5}

3 0
2 years ago
HEY! HELP PLEASE, ASAP!! THANKS SO MUCH!!!! ​
inysia [295]

Answer: I think its b

Step-by-step explanation:

4 0
2 years ago
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