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Darya [45]
3 years ago
13

Can someone help me with this it is confusing :(

Mathematics
1 answer:
Marina CMI [18]3 years ago
7 0
What are you wanting help with
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The length of a rectangle is 3ft more than twice the width, and the area of the rectangle is 54ft^2. Find the dimensions of the
777dan777 [17]

Answer: Let length = 2x + 3

Let width = x

Area = 54 ft2

length × width = Area

x(2x + 3) = 54

2x2 + 3x = 54

2x2 + 3x - 54 = 0

(2x - 9)(x + 6) = 0

x = 9/2 and x = -6

x = 4.5 and x = -6

We accept x = 4.5 because length cannot be a negative value. Substituting this value into the dimensions:

width = 4.5 ft

length = 2(4.5) + 3 = 9 + 3 = 12 ft

Step-by-step explanation:

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3 years ago
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Write the expression as a single logarithm. <br> pls help me with this problem
DanielleElmas [232]

Answer:

in logarithm + works as a * for numbers with the same bases.

Step-by-step explanation:

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3 years ago
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9. What is the slope of the line through the points (-2, -1) and (4, 3)?
Fofino [41]

Step-by-step explanation:

given points,

(-2, -1) and (4,3)

we know,

slope of line = y_2 - y_1/ x_2 - x_1

x_1 and y_1 = -2 , -1

x_2 and y_2 = 4 , 3

according to the formula

3 - (-1)/4 - (-2)

→ 3 + 1/4 + 2

→ 4/6

→ 2/3

or (2,3)

therefore, slope of the given line is (2,3).

Hope this answer helps you dear!

4 0
3 years ago
Which one weighs more 500 pounds or 200 kilograms
Katyanochek1 [597]
1 Pound is 0.453592 Kilograms
500 Pounds is 226.796 Kilograms
Hope i helped!
Please Leave a thanks! Thanks!
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Answer: It has to be b if not sorry

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