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densk [106]
3 years ago
11

The first person to answer this correctly with an explanation get brainiest

Mathematics
2 answers:
Diano4ka-milaya [45]3 years ago
6 0

Answer:

D. 21

Step-by-step explanation:

Just got it right on the test

weeeeeb [17]3 years ago
4 0
Yep! 21 is correct. if it was a more complicated problem then you would have to do all of the steps that you should learn in this class
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nydimaria [60]
The answer is going to be 250

6 0
3 years ago
What’s the length of the hypotenuse?
denis23 [38]

a² + b² = c²

9² + 12² = c²

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7 0
3 years ago
HELP ME PLEASEEEE <br> HELPPPPPPPPPPPP
mario62 [17]

Answer:

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Step-by-step explanation:

<u>Use trigonometry to help</u>

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<u>Substitute values:</u>

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7 0
3 years ago
Find the Equation of x(2x+5)-3(2x+5)=0
Nata [24]
2x² + 5x -6x - 15 = 0

2x² - x - 15 = 0

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hope this helps


5 0
3 years ago
Divide. 15÷−5 Drag and drop the correct number into the box to complete the sentence. The quotient is Response area.
german

Answer:

15÷-5=-3

Step-by-step explanation:

8 0
3 years ago
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