2 years ago

HELP!! I NEED ANSWERS ASAP!

Mathematics

1 answer:

Goshia [24]2 years ago

7 0

x + 5 = (x + 5) − 5, which has no solution

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during a 500-meter race, a runner ran the first 400 meters in 1 minute and 25 seconds.she finished the race i 2 minutes and 15 s

mart [117]

She ran the last 100 meters in 2:15 -1:25 = 0:50, so her average speed was

... (100 m)/(50 s) = 2.0 m/s

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3 years ago

Y= x^2 -5 solve for x

dexar [7]

$Y= x^2 -5$

We need to solve for x, we need to get x alone

$Y= x^2 -5$

Lets start by removing -5

Add 5 on both sides

$y + 5= x^2 -5 + 5$

$y + 5= x^2$

Now to isolate x , we need to remove the square from x

To remove square , take square root on both sides

$+-\sqrt{y+5} = \sqrt{x^2}$

square and square root will get cancelled

$+-\sqrt{y+5} = x$

So $x = +\sqrt{y+5}$ and $x = -\sqrt{y+5}$

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3 years ago

Katherine earned $105.00 at her job when she worked for 7 hours. How much money did she make earn each hour?

Bond [772]

Katherine earned $15 an hour, divide $105 by the seven hours she worked

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3 years ago

Which word describes the unit price

Pavlova-9 [17]

The last one is right because it’s per 1 unit or in this case day

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2 years ago

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3 years ago

*HELP!! I NEED ANSWERS ASAP!*

HELP!! I NEED ANSWERS ASAP!