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Mashcka [7]
3 years ago
8

Use a two variable write an equation for the total number of boys and girls is 428

Mathematics
1 answer:
padilas [110]3 years ago
6 0
X = girls
Y = boys

X + y = 428
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A cone has a diameter of 3 inches the cone holds 12 cubic inches of water to the nearest in what is the height
LUCKY_DIMON [66]

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5 inches

Step-by-step explanation:

A cone's volume can be found using the formula V = \frac{1}{3} \pi r^2 h. If the cone has a diameter of 3 inches then its radius is half r= 1.5 inches. Substitute r = 1.5 and V = 12 cubic inches.

V = \frac{1}{3} \pi r^2 h \\12 = \frac{1}{3} \pi (1.5)^2 h \\12 = \frac{1}{3} \pi (2.25) h\\12 = 2.355h\\5.10 = h

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Step-by-step explanation:

4 0
3 years ago
The following list contains the average annual total returns (in percentage points) for 9 mutual funds. The mutual funds appear
VladimirAG [237]

Answer:

Mean =25.78

Median =20

Step-by-step explanation:

given that the following list contains the average annual total returns (in percentage points) for 9 mutual funds. The mutual funds appear in an online brokerage firm's "all-star" list.

40, 30, 6, 10, 30, 18, 15, 20, 36

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6 0
3 years ago
Please help. Use your calculator to work out. (:
Lisa [10]

Answer:

83.6155156

Step-by-step explanation:

\frac{ {16}^{2} - 17 }{ \sqrt{2.3 + 5.87} }  \\  \\  =  \frac{ 256 - 17 }{ \sqrt{8.17} }  \\  \\  =  \frac{ 239}{2.85832119 }  \\  \\  = 83.6155156 \\

5 0
3 years ago
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