Answer:
area = 2x² - 17x - 21
Step-by-step explanation:
Area of the rectangle is:
area = (width*length)
area = (x+7)*(2x-3)
= x*2x + x*-3 + 7*2x + 7*-3
= 2x² - 3x - 14x - 21
= 2x² - 17x - 21
Answer: The wingspan is 36 m.
Using a proportion to solve this, we write the scale factor as a ratio first: 19/38, since 19 is the size of the model's length and 38 is the real length. For the second ratio, we have 18 for the size of the model wingspan and x for the real wingspan:
19/38 = 18/x
Cross multiply:
19*x = 38*18
19x = 684
The answer would be a hope it helps
15% becomes 0.15
multiply it by 8700
0.15x8700=1305
Answer:
Jasmine expected to get $150 for her bonus, but she only got $100. What was the percent error?
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Amt of error:: $50
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% error:: 50/150 = 1/3 = 33 1/3%
