4 years ago

Simplify this ratio: 100 blue marbles to 60 red marbles

Mathematics

2 answers:

PtichkaEL [24]4 years ago

7 0

Answer:

5:3

Step-by-step explanation:

100: 60

Divide each side by 20

100/20 : 60/20

5:3

kap26 [50]4 years ago

7 0

Answer:

5 blue marbles:3 red marbles.

Step-by-step explanation:

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The volume of a cylinder is 4 pi x3 cubic units and its height is x units.

Rzqust [24]

Answer:

$2x$

Step-by-step explanation:

The volume of a cylinder, $V$ is given by the formula,

$V=\pi r^{2}h$

Where, $r$ is the radius and $h$ is the height of the cylinder.

Here, $V=4\pi x^{3}$ , $h=x$ . Plug in these values and solve for radius, $r$ .

This gives,

$V=\pi r^{2}h\\4\pi x^{3}=\pi r^{2}x\\r^{2}=\frac{4\pi x^{3}}{\pi x}\\r^{2}=4x^{2}\\$

Taking square root both sides, we get

$\sqrt{r^{2}}=\sqrt{4x^{2}}\\r=2x$

Therefore, the radius of the cylinder can be expressed as $2x$ .

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3 years ago

Which of these expressions are equivalent to 7 1/2

jekas [21]

Answer:

it's 7.5

Step-by-step explanation:

1/2 as a decimal is 0.5

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2 years ago

H²+10h=-21 solve quadratic trinomials

sladkih [1.3K]

H²+10h+21 = 0
h²+3h+7h+21 = 0
h(h+3)+7(h+3) = 0
(h+3)(h+7) = 0

h+3=0
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3 years ago

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Nastasia [14]

Answer:

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The volume of a prism is 918 yd3. What is the volume of this prism, measured in feet cubed?

allochka39001 [22]

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