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valina [46]
3 years ago
10

Which set of measurements forms a right triangle? Use the Pythagorean theorem: a2 + b2 = c2.

Mathematics
1 answer:
user100 [1]3 years ago
4 0

Answer:

A. 15, 20, 25.

Step-by-step explanation:

25^2 = 625

20^2 = 400

15^2 = 225.

Now 625 = 400 + 225 = 625 so it is choice A.

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Jayden wants to solve the equation n + 67 = 81. He writes the equation n + 67 - 67 = 81 - 67 to find the value of n. Will Jayden
Paladinen [302]
Hello there.

Question: <span>Jayden wants to solve the equation n + 67 = 81. He writes the equation n + 67 - 67 = 81 - 67 to find the value of n. Will Jayden get the correct answer using this equation? 

Answer: n + 67 - 67.
In this part of the equation the 67 would cancel out.
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Solving the equation meant that he would have to subtract 67 from both sides.
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8 0
3 years ago
What number is 45% of 60, as well as 8 is 0.5% of what number?
JulsSmile [24]
Hi!

We can set up proportions to solve these.

1. \frac{x}{60}  \frac{45}{100}

2. \frac{8}{x}  \frac{0.5}{100}

Cross multiply to solve for x

1. 60 x 45 = 2700
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2. 8 x 100 = 800
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(Tip: dividing by 0.5 is the same as multiplying by 2)

The answers are
1. 27
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2. 1600

Hope this helps! :)




7 0
3 years ago
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