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stealth61 [152]
2 years ago
7

Bill and Joe leave their house at the same time heading in opposite directions. If Bill is driving three times faster than Joe a

nd it takes them three hours to be 120 miles apart, how fast is Bill driving?
Mathematics
1 answer:
Arisa [49]2 years ago
4 0

The problem statement gives you the relationship between their speeds, and it gives you information you can use to find their total speed. You solve this by finding the total speed, then the proportion of that belonging to Bill.

The total speed is (120 mi)/(3 h) = 40 mi/h.

The speed ratio is ...

... Bill : Joe = 3 : 1

so the speed ratio Bill : Total is ...

... 3 : (3+1) = 3:4.

Bill's speed is (3/4)×(40 mi/h) = 30 mi/h.

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Answer:

50x5

Step-by-step explanation:

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Ms. Banerjee bought a car for $22,500. The amount she paid for her new car was twice the amount she paid for her previous car, w
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You didn't say if the car bought is the new car or the old car so I'm assuming the car bought for $22,500 is the new car.

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2 years ago
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A maximum can occur at the each of the following except
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Answer:

im pretty sure its B correct me if im wrong

Step-by-step explanation:

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The angle Johnny holds his pen on paper creates a linear pair. The measure of one angle is 13x + 7. The
tresset_1 [31]
<h3>The value of x is 4.10</h3>

<em><u>Solution:</u></em>

Given that,

The angle Johnny holds his pen on paper creates a linear pair

Angles in a linear pair are supplementary angles

Two angles are supplementary, when they add up to 180 degrees

The measure of one angle is 13x + 7

The  measure of the second angle is one less than twice the first angle

Therefore,

Measure of second angle = twice the first angle - 1

Measure of second angle = 2(13x + 7) - 1

Measure of second angle = 26x + 14 - 1

Measure of second angle = 26x + 13

Therefore,

Measure of first angle + measure of second angle = 180

13x + 7 + 26x + 13 = 180

39x + 20 = 180

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39x = 160

x = 4.1

Thus value of x is 4.10

3 0
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