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3 years ago

In a classroom of 33 students, the ratio of boys to girls is 3 : 8.

Mathematics

2 answers:

kirill [66]3 years ago

8 0

Answer:

the answer is 9 :)

Step-by-step explanation:

SCORPION-xisa [38]3 years ago

5 0

Answer: 9

Step-by-step explanation:

In a classroom of 33 students, the ratio of boys to girls is 3 : 8. With the ratio you can add both gender and get 11 divide 33 by 11 which is 3 so multiply both 3 and 8 by 3 which makes a ratio of. 9:24

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Artyom0805 [142]

Answer:

There are an infinite number of points on this graph. Two of them would be (1, 3) and (0, 0).

Step-by-step explanations:

In order to find any points on the graph, simply put the x value in to get the y value.

f(x) = 3x^4

f(x) = 3(1)^4

f(x) = 3(1)

f(x) = 3

(1, 3)

And then for the second point.

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3 years ago

What is the volume of the cylinder shown? (Use 3.14 for π .) the height is 21 in and half the diameter is 15 .

-BARSIC- [3]

Answer:

Volume = 14,836.5 cubic inches

Step-by-step explanation:

Cylinder not shown but information given. So we will calculate the volume.

Volume of Cylinder is given by the formula:

$V=\pi r^2 h$

Where

V is the volume

r is the radius (HALF of DIAMETER)

h is the height

It is given in the problem,

Height is 21

h = 21

and

half the diamter (aka radius) is 15

r = 15

Substituting into formula and using 3.14 for $\pi$ , we get the volume:

$V=\pi r^2 h\\V=\pi (15)^2 (21)\\V=(3.14)(225)(21)\\V=14,836.5$

Hence, the volume is:

Volume = 14,836.5 cubic inches

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4 years ago