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diamong [38]
3 years ago
12

The area of a triangle is 3x3-16x²+9x+28 and the base is x-4. Use synthetic

Mathematics
1 answer:
zalisa [80]3 years ago
7 0

Answer:

Step-by-step explanation:

If "3x3" is supposed to be 3x³, you need to use ^ to indicate that there is an exponent. 3x^3 = 3x³.

area = ½(x-4)(height) = (3x³-16x²+9x+28)

height = 2(area)/(x-4)

Using synthetic division, (3x³-16x²+9x+28) ÷ (x-4) = 3x²-4x-7

height = 2(3x²-4x-7) = 6x² - 8x- 14

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A=8b+c solve for b <br> Please help!
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Mike went to a football game with his family. They bought 5 boxes of popcorn and 3 programs, and spent $41. Sean's family went t
slamgirl [31]
EZ!

Let's say each box costs $X and each program costs $Y
Thus, Mike's family spent:
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or
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<span>5x+3y=41
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<span>5x+3y=41
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<span>y=13-1.5x
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0.5x+39=41
<span>y=13-1.5x
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0.5x=2
<span>y=13-1.5x
</span>
x=4
<span>y=13-1.5x
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x=4
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Each box costs $4 and each program costs $7
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