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Alina [70]
3 years ago
12

I need help on finding out this answer i am really confused so plz help me

Mathematics
2 answers:
horsena [70]3 years ago
7 0
You can drop the parentheses around 4 - 5y.  (4 - 5y) is the same as 4 - 5y.

But you must expand (multiply out) -2(3.5y - 8).  The result is
        -7y + 16      Here we are applying the Distributive Property of                                                  Multiplication.

Now combine 4 - 5y and - 7y + 16.  Result:   -12y + 20 (answer)

If you need clarification here, please ask!
scoundrel [369]3 years ago
5 0
(4 - 5y) - 2(3.5y - 8)

first distribute

(4- 5y) - 7y + 16

Then simplify
-12y + 20

Then simplify

4(-3y + 5)

hope this helps
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hope this helps!
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A man standing at point A walks 1 mile south, 3 miles east, 5 miles north, and 7 miles west to reach point B. The length of line
joja [24]

Answer: √32

Step-by-step explanation: so the displacement is north 4 and west 4 and it becomes a right triangle so the hypotenuse is the distance for segment AB

So Drawn out should like straight lines up,down,left,and right. So east is positive while west is negative same for North(+) and South(-)

I recommend sticking with 2 directions first. Starting with north and south right. First you go south 1 mile but then you go north 5miles in math terms

-1+5=4 or down one is one less than 5

Same for east and west. 3+-7 = -4

So we went positive 4 miles up and 4miles to the left

So (-4)^2+4^2= hypotenuse or AB segment in this case

Download pdf
3 0
3 years ago
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