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olganol [36]
3 years ago
12

BRAINLIEST ANSWER FAST!Subtract and simplify. Show work to earn full credit.

Mathematics
1 answer:
Alecsey [184]3 years ago
7 0

Answer:

<h2>7y² - 6y -17</h2>

Step-by-step explanation:

(-2y^2-11y-7)-(-9y^2-5y+10)  (firstly, we remove the brackets)

-2y^2 - 11y - 7 + 9y^2 + 5y - 10

= (-2y^2 + 9y^2) + (-11y + 5y) + (-7 - 10)

=  (7y²)                  + (-6y)         + (-17)

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<span>(x + 5 1/2) 0.75= 5/8<span>
Convert 0.75 into a fraction
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Use distributive property
3/4x + 5 1/2*3/4 = 5/8
Convert 5 1/2 into improper fraction
3/4x + 11/2*3/4 = 5/8
Multiply
3/4x + 33/8 = 5/8
Subtract 33/8 from both sides
3/4x = 5/8 - 33/8
Subtract the numerators but NOT the denominators
3/4x = -28/8
Divide 3/4 on both sides
x = -28/8 divided by 3/4
Convert the division sign to multiplication while flipping the fraction 3/4 to 4/3
x = -28/8 * 4/3
Multiply
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