3 years ago

(5n^2-n) + (8n^2-2n)

1 answer:

3 0

13n^2 -3n should be the answer

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11Alexandr11 [23.1K]

Answer:

$P = 2(l+w)\\Length = 5x\\Width = 3x+7\\\\P = 2(5x +(3x+7))$

Step-by-step explanation:

Further Solving :

$P = 2(5x +(3x+7))\\P = 2(5x+3x+7)\\P = 2(8x+7)\\\\Perimeter = 16x + 14$

5 0

3 years ago

8090 [49]

20/100 =x/6

20 multiply 6 =120

120 divide by 100 =1.2

6 0

3 years ago

Tomtit [17]

Answer:

y is the number of apples.

Step-by-step explanation: Because if x is the cost for one apple then y is for the number of apples.

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3 years ago

iren2701 [21]

Answer:

2 inches by 3 inches by 6 inches and 2 inches by 2 inches by 4 inches

Step-by-step explanation:

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3 years ago

Xelga [282]

Answer:

21 lb

Step-by-step explanation:

Divide the amount of Ryan's pumpkin by 2 then multiply it by 3. Ryan's pumpkin weighs 14 lb divided by 2 is 7 then 7 multiplied by 3 is 21.

6 0

3 years ago