(2y-5)(5y+7) answer this quickly lol

Mathematics

2 answers:

Stolb23 [73]3 years ago

8 0

Well this is a little tricky.. But my guess would be: y = (-1.4, 2.5)

kirza4 [7]3 years ago

7 0

What you need to do to solve this problem is by using the FOIL Method (First, Outside, Inside, and Last) Here are the steps into doing this problem.
Given Answer: (2y-5)(5y-7)
Next, you multiply by the order that has been given: 10y^2 + 14y -25y - 35
After you got the numbers and coefficients, you can combine like terms if necessary: 10y^2 - 11y - 35
Therefore, your answer should be 10y squared - 11y - 35.
I hope this helps. :)

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3 years ago

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The average height of a family of five is 150 cm. If the height of 4 family members is 153, 150, 151, and 152, find the height o

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J can find the height of the fifth member on this way
S=150
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S2=150
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S4=152
S5=?
S= (s1+s2+s3+s4+s5)/5:
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Answer:

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