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GalinKa [24]
2 years ago
13

2. A triangle has sides of lengths 15, 23, and 28. Is it a right triangle? Explain.

Mathematics
2 answers:
Mashutka [201]2 years ago
8 0
Gvknj h executivesbsinsubs
Aleks [24]2 years ago
8 0

Answer:

A

Step-by-step explanation:

the sum of the square of the legs of a right triangle equal the square of the third side:  a² + b² = c²

15² + 23² ≠ 28²

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Find slope of a line (-3,5) and (7,-9)
sukhopar [10]

y2-y1

x2-x1


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6 0
3 years ago
3(4a+7)=5(2a+4)+1 What is it?
hichkok12 [17]

Answer:

a = 0

Step-by-step explanation:

3(4a+7)=5(2a+4)+1     Distribute 3 through the parentheses

                 - >                         12a + 21 = 5(2a + 4) +1

5(2a + 4) +1   -->  10a + 20 + 1

12a + 21 = 10a + 20 + 1  -->    12a + 21 = 10a + 21   -->      12a = 10a

                                                     12a - 10a = 0   -->    2a = 0

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