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3 years ago

How do you find the circumference of a circle?

Mathematics

2 answers:

Romashka [77]3 years ago

4 0

2 π r This means 2×π×radius

taurus [48]3 years ago

3 0

You would multiply the radius and pi and 2
or you can do pi times diameter

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A salesman's commission varies directly as his sales.If the commission is $10 for $100 in sales, find the commission for $150 in

MAXImum [283]

You are given a commission of $10 for $100 in sales. You are to find the commission for $150 in sales. It is stated in the problem that the salesman’s commission varies directly as his sales. Directly means proportional, and so this relationship has a constant. Let us say the salesman commission is c and his sales is s. Let us also denote k as our constant.

C = ks
$10 = k($100)
k = 0.1

We need to find the salesman commission in $150 sales.

C = ks
C = (0.1)($150)
<u>C = $15</u>

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3 years ago

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Two planes left the airport traveling in the same direction. The distance Plane A traveled is modeled by the function d(t)=290t

notsponge [240]

Answer:

The distance Plane A traveled in 1 h is greater than the distance Plane B traveled in 1 h.

Step-by-step explanation:

The equation of the distance traveled by Plane A is

$d(t) = 290t$

The plane B traveled 540 miles in 2 hours.

So in 1 hour, plane B traveled 540/2 = 270 miles:

How does the distance Plane A traveled in 1 hour compare to the distance Plane B traveled in 1 hour?

Plane A:

d(1) = 290*1 = 290

Plane A traveled 290 miles in 1 hour.

Plane B travaled 270 miles in 1 hour.

So the correct answer is:

The distance Plane A traveled in 1 h is greater than the distance Plane B traveled in 1 h.

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4 years ago

Emmett has $90,000 in a savings account that earns 5% interest per year. The interest is

harina [27]

Answer:

$1500

Step-by-step explanation:

90000x.05=4500

4500/12=375

375x4=1500

The answer is$1500 Interest he will earn in 4 months

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Step-by-step explanation:

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Answer:

Step-by-step explanation:

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