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Deffense [45]
3 years ago
5

You are going on a field trip in a school bus. A special detector placed on one of the bus's tires counts the number of rotation

s completed by the tire during the journey. The tire's diameter is 1 meter, and it made 8000 rotations during the trip.
How far did the bus travel?
Give your answer in terms of pi.

Mathematics
1 answer:
professor190 [17]3 years ago
5 0
Think Winnie.

The distance a wheel traveled can be determined by using the circumference.  The circumference of the wheel is pi meters. (formula is pi * diameter)

So if there were 8000 rotations, then the bus traveled 8000pi meters.
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antiseptic1488 [7]

Step-by-step explanation:

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Dividing by 2, we get

10 = x + (8^2 - x^2)^(1/2)

Move the x to the other side,

10 - x = (8^2 - x^2)^(1/2)

Take the square of both sides to get rid of the radical sign:

(10 - x)^2 = 8^2 - x^2

Move everything to the left and expand the quantity inside the parenthesis:

x^2 + (100 - 20x + x^2) - 64 = 0

2x^2 - 20x + 64 = 0

or

x^2 - 10x + 32 = 0

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6 0
2 years ago
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Write the equation of the line in fully simplified slope-intercept form.
fiasKO [112]

y = -\frac{1}{2}x - 1

Step-by-step explanation:

Let's pick two points on the line: P_1(-4, 1) and P_2(2, -2). Let's calculate the slope of this line using these points:

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With this value of the slope, we can write the general slope-intercept form of the equation as

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To solve for the y-intercept b, let's use either P1 or P2. I'm going to use P2:

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Therefore, the slope-intercept form of the equation is

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6 0
2 years ago
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DerKrebs [107]

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Step-by-step explanation:

3 0
2 years ago
PLS HELP ILL GIVE BRAINLIEST
cluponka [151]

So you start of by finding the median. The median in this case would be 43. Then you find the median of both the lower (36) and the upper (53) half of the data. Then the find the difference between those two number. So you would do 53-36 which would make the answer 17

8 0
3 years ago
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dedylja [7]
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