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Slav-nsk [51]
3 years ago
6

Need steps to solve this problem 5e+8f+(-2)e-12f

Mathematics
1 answer:
Stels [109]3 years ago
4 0
5e + 8f + (-2)e - 12f = ( a positive times a negative is a negative)
5e + 8f - 2e - 12f = (combine like terms)
3e - 4f <==
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Step-by-step explanation:

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PLEASE HELP ANSWER THESE QUESTIONS!
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Answer:

Step-by-step explanation:

a² - b² = (a+ b)(a - b)

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2) [y^2-36/y^2-49] ÷[ y+6/y-7]

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3) [m^2-1/ m^2-m] ÷ [m^2-7m-8/3m ]

=\frac{m^{2}-1}{m^{2}-m}*\frac{3m}{m^{2}-7m-8}\\\\=\frac{(m+1)*(m-1)}{m*(m-1)}*\frac{3m}{(m-8)*(m+1)}\\\\=\frac{3}{m-8}

Hint :  m² - 7m - 8

sum = -7

Product  = -8

Factor = (-8), 1

m² - 7m - 8  =m² - 8m + m - 8

                   = m*(m - 8) + (m-8)

                   = (m - 8)(m +1)

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----------------------------------------

y and 115° are corresponding angles and congruent, then

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gladu [14]
The answer is the first chart which would be A
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Alborosie

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