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Sedaia [141]
3 years ago
12

5(–9a–1)+7? so me on e an sw er pl ea se

Mathematics
2 answers:
ozzi3 years ago
8 0

Step-by-step explanation:

<h3>5(-9a-1)+7</h3><h3>-45a-5+7</h3><h3>-45a+2</h3>
il63 [147K]3 years ago
3 0

Answer:

5(–9a–1)+7=0

5(-9a-1)=-7

-9a-1=-7/5

9a+1=7/5

9a=7/5 +1

a=(7+5)/(5×9)=35/45=7/9

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Shtirlitz [24]
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(-2 + 2)² + (7 + 6)² = d²   Substitute the points; remember that when you subtract a negative, you add, and also remember to always subtract in the same direction (with the points (1,2) and (3,4), if you do 1 - 3, then do 2 - 4 and not 4 - 2)
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4 0
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7 0
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