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3 years ago

Do A triangle with sides measuring 12, 16, and 20 is a right triangle?

Mathematics

1 answer:

Julli [10]3 years ago

4 0

Yes, because :
${16}^{2} + {12}^{2} \\ = \sqrt{400} \\ = 20$

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12 = 6(n – 7)<br> Solve 2 -step equation

madam [21]

Answer:

9 = n

Step-by-step explanation:

12 = 6(n – 7)

Divide by 6 on both sides

12/6 = 6/6(n – 7)

2 = n-7

Add 7 to each side

2+7 = n-7+7

9 = n

4 0

4 years ago

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A flower pot's base has six sides that are all the same length. Each side measures x - 6 units. The base's perimeter is 78 units

Nadusha1986 [10]

The answer would x=19 units

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3 years ago

Jennifer makes keychains and sells them online. She makes a profit if $3.00 per key chain but she has to pay $5.00 to PayPal for

LekaFEV [45]

375/3 = 125
125÷5 = 25
125-25 =100
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3 years ago

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Which is a solution to the equation 3x^2 + 2x − 20 = 2x^2 + 15?

pychu [463]

the answer is b)-7 or it could be 5

6 0

3 years ago

2/3 of it is 30<br> What’s the number?

larisa [96]

Answer:

The number is 45.

Step-by-step explanation:

2/3x=30

x=30/(2/3)

x=(30/1)(3/2)

x=90/2

x=45

7 0

3 years ago