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Nady [450]
2 years ago
12

I got this one wrong could you tell me which ones are correct

Mathematics
1 answer:
Bogdan [553]2 years ago
5 0

Answer:

you should have not picked d(t)=10, when t =20, and you also need to pick d(30)=d(70), and everything else seems correct

Step-by-step explanation:

The reasoning why d(t)=10, when t=20 is because if we rearrange this statement it's the same thing as saying d(20)=10, which if we were simply look at the graph it's a false statement

Secondly the reason why d(30)=d(70) if correct one is because if we were look back at the graph both d(30) and d(70) is equal to an output y value of 40

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Answer:

352

Step-by-step explanation:

So first you need to subtract 668 from both sides.

c/22 + 668 = 684

          -668  -668

---------------------------

c/22 = 16

Then multiply both sides by 22.

c/22 * 22 = 16*22

c = 352

Check-

352/22=16

16+668=684

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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 years ago
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Inessa [10]
<h3>Answer:    <u>100 ft</u>  is the hypotenuse</h3>

===================================================

Work Shown:

a = 60 and b = 80 are the two known sides

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Applying the pythagorean theorem gets us...

a^2 + b^2 = c^2

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c^2 = 10,000

c = sqrt(10,000)

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A quick way to see that 100 ft is the missing side is to note that a 6,8,10 right triangle scales up to 60,80,100 after multiplying all three sides by 10.

Or you could start with a 3,4,5 right triangle and multiply all three sides by 20.

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Answer:

option 1

Step-by-step explanation:

because i am confident

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