Answer:
<h2>x = -3</h2>
Step-by-step explanation:
<u>15 - 7x </u>= 9
4
-7x = 9(4) - 15
x = 21/-7
x = -3
proof:
<u>15 - 7(-3) </u>= 9
4
Answer:
<em>8.1</em><em> </em><em>ft</em>
Step-by-step explanation:
hyp² = side² + side²
hyp² = 7² + 4²
hyp² = 49 + 16
hyp² = 65
hyp = sqrt of 65
hyp = 8.1 ft
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Answer:
0.775
Step-by-step explanation:
think place values to the right
tenths, hundredths, thousandths
100/5 = 20.
But, I'm not really sure how you want to do this.
Answer:
Step-by-step explanation:
<u>Let the number be x:</u>
- 2x = 5x + 12
- 2x - 5x = 12
- -3x = 12
- x = -4
It is -4
