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ella [17]
3 years ago
14

a Wheel 15 inches in diameter is spun around 4 full turns. What distance,to the nearest inch, did a mark on the edge of the whee

l travel in those four turns ? explain how you figured out your answer
Mathematics
2 answers:
ss7ja [257]3 years ago
5 0
C=π*d so the distance the mark travels in 1 revolution is 15*π. for 4 revolutions we get 60π and this is approx 189 inches
lakkis [162]3 years ago
4 0
If the wheel has a diameter of 15 inches, its radius is half that, or 7.5 inches then.

a full turn, or a full cycle around the wheel, namely around the circle is 360° or 2π radians.

now, in one turn or cycle, it covered an angle of 2π, in 2 cycles it covered 2(2π), in 3 it did 3(2π) and in 4 of course 4(2π).

so, what is the arc's length, whose radius is 7.5 and its central angle is 8π?

well.... you already know that s = rθ, therefore then, s = (7.5) (8π).
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Schach [20]

Answer:

\Huge\boxed{\mathsf{-153}}}

Step-by-step explanation:

\Large\boxed{\mathsf{LESSON: ORDER \quad OF \quad OPERATIONS}}}

\Large\boxed{\mathsf{SUBJECT: MATH}}}

To use the order of operations stands for (Parenthesis, Exponents, Multiply, Divide, Add, and Subtract) from left to right.

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17(-12+3)

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17(-9)=-153

-153

\Large\boxed{\mathsf{\Rightarrow -153}}

The correct answer is -153.

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Elena-2011 [213]

Answer:

<h2><em>$284.29</em></h2>

Step-by-step explanation:

Let the original price be x

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Using the relationship to find the original price x

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<em>Hence the suit's original price is approximately $284.29</em>

<em />

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