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4 years ago

Which one of the following examples represents a repeating decimal?

Mathematics

1 answer:

Minchanka [31]4 years ago

3 0

The answer is D. 0.6666666.

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IrinaK [193]

C is the correct answer

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3 years ago

Solve for x. 7x-3/8 = 6x-5/8 x=1 , x= -1 , x= 1/4 , X= -1/4.

Contact [7]

Answer:

-1/4

Step-by-step explanation:

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3 years ago

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grin007 [14]

Answer: please mark brainlyest

Step-by-step explanation:

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2 years ago

Find the value of x so that the function has the given value. <br> q(x)=12x−3; q(x)=−4

Anna [14]

Answer:

$- \frac{1}{ 12}$

Step-by-step explanation:

since q(x)=-4

substitute

hence

-4=12x-3

take -3 to the other side where it becomes positive

therefore

-1=12x

divide by 12

you will get the above answer

5 0

3 years ago

9mph in still water it takes 5hrs longer to travel 74 miles upstream than downstream find the rate of current and round to neare

prohojiy [21]

Answer:

The rate of current is 2.5 mph.

Step-by-step explanation:

The speed in the water when current is absent is 9 mph.

If the speed of the current is v mph then the upstream speed is (9 - v) mph and the downstream speed is (9 + v) mph.

Now, it takes 5 hours longer to travel 74 miles upstream than down stream, then we can write the equation as

$\frac{74}{9 - v} - \frac{74}{9 + v} = 5$

⇒ $\frac{2v}{81 - v^{2} } = \frac{5}{74}$

⇒ 148v = 405 - 5v²

⇒ 5v² + 148v - 405 = 0

Applying Sridhar Acharya's formula we can write

$v = \frac{-148 + \sqrt{148^{2} - 4(5)(-405) } }{2(5)}$ (Neglecting the negative root)

⇒ $v = \frac{- 148 + 173.2166}{10} = 2.5$ mph (Rounded to the nearest 10th) (Answer)

7 0

4 years ago