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Marizza181 [45]
3 years ago
15

PLEASE HELP ME. THIS IS DUE TODAY

Mathematics
1 answer:
MakcuM [25]3 years ago
4 0
I think it’s b it only makes since
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8) The perimeter of a rectangle is 20x2 + xy - 7y2 and one of it's sides is
Sedbober [7]

Answer:

3x^2 + 3xy/2 - 7xy^2/2

Step-by-step explanation:

So we know the perimeter is 20x^2 + xy - 7y^2,

To find any perimeter you need 2l + 2w = P so,

One of the sides is 7x^2 - xy

First plug in the values,

2(7x^2-xy) + 2w = 20x^2 + xy - 7y^2

Multiply,

14x^2-2xy + 2w = 20x^2 + xy - 7y^2

Subtract,

14x^2 - 2xy - 14x^2 + 2xy + 2w = 20x^2 + xy - 7y^2 - 14x^2 + 2xy

2w = 6x^2 + 3xy - 7y^2

w = 3x^2 + 3xy/2 - 7xy^2/2

5 0
3 years ago
Please help me answer this question
fredd [130]

Answer:

2t + 16

Step-by-step explanation:

1. 0 seconds and 16 feet.

  • 2(0) + 16
  • 0 + 16
  • 16

2. 1 second and 18 feet.

  • 2(1) + 16
  • 2 + 16
  • 18

3. 2 seconds and 20 feet.

  • 2(2) + 16
  • 4 + 16
  • 20

4. 3 seconds and 22 feet.

  • 2(3) + 16
  • 6 + 16
  • 22

5. 6 seconds and 28 feet.

  • 2(6) + 16
  • 12 + 16
  • 28

Therefore, the answer is 2t + 16.

4 0
2 years ago
How do u turn 67÷100 into a fraction need help plz
Deffense [45]

Answer:

67/100

Step-by-step explanation:

67÷100 Divide the numbers

0.67 then move the decimal point to the right

6.7 *10 this will give you the fraction

3 0
2 years ago
What’s the correct answer
Marta_Voda [28]
The second one is correct
6 0
3 years ago
Translate the sentece into a equation
maw [93]
The answer would be 5x^3-2x^2=18

5 0
2 years ago
Read 2 more answers
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