3 years ago

Complete the ratio table

Mathematics

1 answer:

Nikitich [7]3 years ago

3 0

Please take a more pic

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A rectangle whose area is 180 square feet has a width that is 3 feet less than the length. Find the dimensions of the rectangle.

Yuliya22 [10]

Answer:

The length is $15\ ft$

The width is $12\ ft$

Step-by-step explanation:

we know that

The area of rectangle is equal to

$A=LW$

we have

$A=180\ ft^{2}$

$180=LW$ -----> equation A

$W=L-3$ ------> equation B

substitute equation B in equation A and solve for L

$180=L(L-3)$

$180=L^{2}-3L$

$L^{2}-3L-180=0$

using a graphing tool------> solve the quadratic equation

The solution is $L=15\ ft$

see the attached figure

<em>Find the value of W</em>

$W=15-3=12\ ft$

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

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What is the derivative of 3x^3 + 2

Gnesinka [82]

The correct answer is 9x^2

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4 years ago

In systems by substitution what is y=x+8 and x+y=2

LenKa [72]

Answer:

x = -3

Step-by-step explanation:

y = x + 8 and x + y = 2

Using substitution, we know that y = x + 8, so:

x + y = 2

x + (x + 8) = 2

2x + 8 = 2

2x = -6

x = -3

Then we solve for y:

x + y = 2

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Answer:

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Step-by-step explanation:

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