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ivann1987 [24]
3 years ago
7

NEED QUICKLY!!!! -Please solve the image below

Mathematics
1 answer:
AnnyKZ [126]3 years ago
4 0
Yes,this is a doozy.

                 <u>-3 (y - 5)  =  15</u>

Eliminate the parentheses on the left side:

                 -3(y) -3(-5)  =  15

                 -3y  + 15  =  15

Subtract 15 from each side: 

                 -3y  =  0

Divide each side by -3 :

                  <em>  y  =  0</em>
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3 years ago
Determine whether the relation describe c as a function of w.
Delicious77 [7]

Answer:

Function:

c = f(w) = 0.49, 0 < w ≤ 1

            = 0.70,  1 < w ≤ 2

            = 0.91, 2 < w ≤ 3

Step-by-step explanation:

Yes, the relation described can be interpreted as a function.

Here, c is the cost of a mail letter. c depends upon w, which is the weights of the mail letter.

As described in the question, the relation can be expressed as a function.

c can be expressed as a function of w in the following manner:

c(cost of mail) = f(w), where w is the independent variable and c is the dependent variable

c = f(w) = 0.49, 0 < w ≤ 1

            = 0.70,  1 < w ≤ 2

            = 0.91, 2 < w ≤ 3

where, c is in dollars and w is in ounces.

5 0
3 years ago
Billy and Alyssa helped pack books to donate to a charity Bill packed 28 boxes withe 30 books in each box.how many more books di
OverLord2011 [107]

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7 0
3 years ago
Find the perimeter and area of each figure.​
ASHA 777 [7]

Answer:

Perimeter = 89mm

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Step-by-step explanation:

hope this is useful

3 0
3 years ago
Read 2 more answers
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