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svetlana [45]
4 years ago
14

the area of a rectangular sandbox can be expressed as 72xy + 18x the width of the sandbox is 9x what is the perimeter of the san

dbox
Mathematics
1 answer:
Readme [11.4K]4 years ago
3 0

Answer:

  18x +16y +4

Step-by-step explanation:

The area is the product of length and width, so the length is ...

  A = LW

  L = A/W = (72xy +18x)/(9x) = 8y +2

The perimeter is double the sum of length and width:

  P = 2(L +W) = 2(8y +2 +9x)

  P = 18x +16y +4 . . . . the perimeter of the sandbox

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3 years ago
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pychu [463]

Answer:

47

Step-by-step explanation:

Let's solve your equation step-by-step.

−4x−3(−44−23)=13

Step 1: Simplify both sides of the equation.

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Step 2: Subtract 201 from both sides.

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Step 3: Divide both sides by -4.

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3 years ago
Which expression represents the product of b and 18?
Anastaziya [24]

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2 years ago
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4 0
3 years ago
There are 20 players on a soccer team. From them, a captain and an alternate captain have to be chosen. How many possibilities a
tester [92]

Answer:

190 possibilities.

Step-by-step explanation:

The problem is called 20 choose 2, given by the formula for combinations

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alternatively, we can reason it this way:

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However, there are 20 choices to choose an alternate captain and 19 choices for a captain for a total of 380 ways.

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