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3 years ago

Hey You YES YOU CAN ANSWER THIS PLEASE solve for T: 4 j= -9T

Mathematics

1 answer:

OLEGan [10]3 years ago

8 0

-9T means -9 x T
So if T is equivalent to 4,
you should do:
-9 x 4 = -36
J= -36

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2 years ago

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3 years ago

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3 years ago

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Answer:

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Step-by-step explanation:

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3 0

2 years ago

If a car has tires with a radius of 1.5 ft and the tires are spinning at 840 rpm (revolutions per

tamaranim1 [39]

Answer:

89·98 mph

Step-by-step explanation:

First, we get the circumference of the tires:

Circumference = $\pi$ × (radius × 2)

Circumference = 3.142 × (1·5 × 2)

Circumference = 3·142 × 3

Circumference = 9·426 ft

The circumference of the tire is equal to one round.

1 round = 9·426 ft

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We cross multiply to get the length that the tires would cover in a minute

= <u>840 × 9·426</u>

1 minute = 7917·84 ft

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5280

475070·4 ÷ 5280 = speed of the car in mph

89·97545

Round this off to 2 decimal places...

= 89·98 mph

hope this helps! =)

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3 years ago