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4 years ago

Can someone help me with this?

Mathematics

1 answer:

Anvisha [2.4K]4 years ago

7 0

You know the definitions of the trig functions tell you
.. cos(78°) = (5 ft)/?
.. ? = (5 ft)/cos(78°) ≈ 24.0 ft

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6. A bag contains 240 counters.

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Answer:

Step-by-step explanation:

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3 years ago

Help as fast as possible! Math 8

Dennis_Churaev [7]

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l don't get the question

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3 years ago

Estimate 25,953 to the nearest number

weeeeeb [17]

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3 years ago

Lauren is going to invest in an account paying an interest rate of 3.4% compounded

sergij07 [2.7K]

Answer:

P = $9948.99

Step-by-step explanation:

Use the compound amount formula A = P(1 + r)^t, with A = $13,000, t = 8 yr and r = 0.034. Find the principal amount P.

Solving A = P(1 + r)^t for P, we get:

$13,000 $13,000

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(1 + 0.034)^8 1.3067

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3 years ago

a film canister in the shape of a cylinder has a height of 8 centimeters and a volume of the film canister. write an equation fo

sdas [7]

Answer:

Part a) The equation for the volume of the film canister is

$32\pi=\pi r^{2}(8)$

Part b) The radius of the film canister is $2\ cm$

Step-by-step explanation:

<u><em>The complete question is</em></u>

A film canister in the shape of a cylinder has a height of 8 centimeters and a volume of 32π cubic centimeters.

a. Write an equation for the volume of the film canister.

b. What is the radius of the film canister?

Part a) Write an equation for the volume of the film canister

we know that

The volume of a cylinder is equal to

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

where

r is the radius of the circular base

h is the height of the cylinder

we have

$V=32\pi\ cm^3$

$h=8\ cm$

substitute

$32\pi=\pi r^{2}(8)$ ----> equation for the volume of the film canister

Part b) What is the radius of the film canister?

we have

$32\pi=\pi r^{2}(8)$

$32\pi=8\pi r^{2}$

Simplify

Divide by 8π both sides

$4=r^{2}$

square root both sides

$r=2\ cm$

6 0

4 years ago