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WINSTONCH [101]
3 years ago
5

Solve 3(2n-7) + 12 =39

Mathematics
1 answer:
natka813 [3]3 years ago
6 0
Your answr is n=8. if this helped plz mark brainliest
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What is the answer to this
Arisa [49]

Answer:

x = 20, <S = 47 degrees, <P = 131 degrees

Step-by-step explanation:

27 + x + 119 + 63 + 3x + 71 = 360

4x + 280 = 360

4x = 80

x = 20

<S = 27 + x = 27 + 20 = 47 degrees

<P =  3x + 71 = 3(20) + 71 = 131 degrees

5 0
3 years ago
17. Find the ratio of the perimeter to the area of the square shown.<br> x + 3<br> x + 3
Serga [27]

Answer:

4x+12/x^2+9

Step-by-step explanation:

Perimeter

x+3+x+3+x+3+x+3

Area

(x+3)(x+3)

7 0
2 years ago
Solve for b:<br> -9 b=27
Aneli [31]
B=-3
because you divide 27 by -9 to get y by its self

4 0
3 years ago
Read 2 more answers
Help :/ ill give brainly :&gt;
olga55 [171]

Answer:

A. Trapezoid

B. Isoclese triangle

c. Equilateral triangle

d. Kite

4 0
3 years ago
Read 2 more answers
A store charges a restocking fee for any returned item based upon the item price. An item priced at $200 has a fee of $12. An it
lyudmila [28]

Answer:

Both ratios reduce to the same ratio 3/50, so the restocking fee is proportional.

Step-by-step explanation:

For the $200, the restocking fee is $12, so the ratio of the restocking fee to the price of the item is 12/200.

For the $150, the restocking fee is $9, so the ratio of the restocking fee to the price of the item is 9/150.

Now we find out if the ratios 12/200 and 9/150 are equal.

12/200 = 3/50

9/150 = 3/50

Both ratios reduce to the same ratio 3/50, so the restocking fee is proportional.

7 0
2 years ago
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