Jasmine's race time was 34.287 minutes.Round her race time to the nearest tenth of a minute

1 answer:

3 0

The answer is 34.3 minutes

EXPLANATION

To round off to the nearest tenths, you need to find first the tenths value. In this case, it's 2.

Next, look to the number on the right side or the hundredths value. Since 8 is greater than 5, you have to round the tenths value up.

From 2, you'll now have 3. Zero out the values on the right of the tenths value.

So basically, you'll have now 34.3 minutes

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I need help with this question. The directions say to evaluate and express the answer in the simplest form.

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Answer:

Step-by-step explanation:

(9)^-5/2

In order to get rid of the negative exponent, take the reprocal of 9/1

⇒( $\frac{1}{9}$ )^5/2

$\frac{1^\frac{5}{2} }{9\frac{5}{2} }$ ⇒This is also the same thing but we’re are breaking it down.

$\frac{(1^{\frac{1}{2})^{5} } }{(9\frac{1}{2})^{5} }$ ⇒We are further breaking this down...

^ $\frac{1}{2}$ is technically the square root of a number.

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3 years ago

Bill is 15 years older than Paul. Paul is 7 years older than half Milo's age. The sum of all three ages is 85. How old is Bill?

katrin2010 [14]

Answer:

Step-by-step explanation:

Let Milo's age = x

$Paul's \ age =\dfrac{1}{2}x+7\\\\\\Bill's \ age = \dfrac{1}{2}x + 7 +15 =\dfrac{1}{2}x+22$

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$x +\dfrac{1}{2}x+7 +\dfrac{1}{2}x+22 = 85\\x +\dfrac{1}{2}x+\dfrac{1}{2}x+7+22 =85\\2x+29=85\\ 2x = 85-29\\\\ 2x = 56\\\\ x = \dfrac{56}{2}\\\\x =28 \ years\\\\\\Bill's \ age =\dfrac{1}{2}x+22 =\dfrac{1}{2}*28+22\\\\\\= 14+22\\$