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Ganezh [65]
3 years ago
5

A 2-column table with 5 rows. Column 1 has entries x, x, x, x, Total 100 percent. Column 2 has entries 5 dollars, 5 dollars, 5 d

ollars, 5 dollars, Total 20 dollars. Mia bought a poster that was discounted $5 from an original price of $20. Which equation models how Mia can find the percent of discount? $5 = x ?- $20 $5($20) = x $5 = $20(x) $5(x) = $20
Mathematics
2 answers:
Oduvanchick [21]3 years ago
7 0

Answer:

C

Step-by-step explanation:

i did the test on edg 2020

Tju [1.3M]3 years ago
5 0

Answer:

C

Step-by-step explanation: $5=$20(x)

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Answer:

Length = 4 feet

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Step-by-step explanation:

The perimeter of a rectangle formula = 2L + 2W

Where L = Length

W = Width

The length of a rectangle is 8feet less than the width.

Hence,

L = 8 - W

The perimeter is 64 feet.

Hence,

64 = 2(8 - W) × 2W

64 =( 16 - 2W )2W

64 = -4W² + 32W

4W² - 32W + 64 = 0

Factorise

4W² - 16W - 16W + 64 = 0

4W (W - 4) - 16(W - 4) = 0

W - 4 = 0

W = 4

Width = 4

Solving for L

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L = 8 - 4

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Therefore,

Length = 4 feet

Width = 4 feet

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