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DochEvi [55]
4 years ago
11

What is the answer to -6+5b=6b-7

Mathematics
2 answers:
ratelena [41]4 years ago
8 0
Remember
ou can do anything to an equaiotn as long as you do it to both sides
try to isolate variable and get 1 of it

-6+5b=6b-7
subtract 5b from both sides
-6=b-7
add 7
1=b
Hitman42 [59]4 years ago
5 0
5b-6=6b=6b-7-6b
-b-6= -7
-b-6+6= -7+6
-b= -1
-b/-1= -1/-1
b= 1
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A truck with 36-in.-diameter wheels is traveling at 55 mi/h.
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Answer:

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Step-by-step explanation:

Remember that

1 mile=63,360 inches

step 1

Find the circumference of the wheels

The circumference is equal to

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we have

D=36\ in

substitute

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C=36\pi\ in

step 2

we know that

The speed of the wheel is 55 mi/h

<em><u>Convert to mi/min</u></em>

55 mi/h=55/60 mi/min

<u><em>Convert to in/min</em></u>

(55/60) mi/min=55*63,360/60 in/min= 58,080 in/min

we know that

The circumference of the wheel subtends a central angle of 2π radians

so

using proportion

Find out how much radians are 58,080 inches

\frac{36\pi }{2\pi }=\frac{58,080}{x} \\\\x=2*58,080/36\\\\x=3,226.67 \ rad

therefore

The angular speed is 3,227 rad/min

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Step-by-step explanation:

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