2 years ago

What’s the answer to this problem?

Mathematics

1 answer:

motikmotik2 years ago

3 0

Answer is c 4.7ft...

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Radda [10]

36 pints of green paint.

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2 years ago

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3,969 + b^2 = 11,025

ludmilkaskok [199]

Answer:

b=84

Step-by-step explanation:

from your equation, subtract 3969 from each side

you are left with b^2=7056

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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

A sample of 40 people owned an average of 1.35 hats. It is known from a previous study that the population standard deviation of

FrozenT [24]

Answer:

(1,155, 1.545).

Step-by-step explanation:

From Normal distribution tables the z score for 95% CI = 1.96.

Confidence Interval

= 1.35 +/- 1.96 * 0.63/√40

= 1.35 +/- 0.195

= (1,155, 1.545).

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3 years ago