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TEA [102]
3 years ago
12

This is URGENT! If you can help me out, it would make my day!

Mathematics
1 answer:
Charra [1.4K]3 years ago
8 0
Rise over run! Rise can be negative to positive.
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Solve 2y=8 divide each side by 2
Llana [10]
Y=4!

Hope this helps! You’re gonna rock it!

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3 years ago
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Geometry math question
skad [1K]

Your answer is B. 3/4

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Sarah and her friends laid down two beach blankets. The blankets are the same length but of different widths. The distributive p
Masja [62]

Answer:The width of the orange blanket is 23 inches.

Step-by-step explanation:

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3 years ago
ABCD is a trapezium with AB= x cm, DC=( x+ 4 )cm and the distance between the parallel sides AB and DC is 1/2 x cm
horsena [70]

We know that the smaller base is x cm, the greater base is x+4 cm, and that the height is x/2 cm.

Since the area of a trapezium is given by

A=\dfrac{(b+B)h}{2}

If we plug the expressions we have

A=\dfrac{(x+(x+4))\frac{x}{2}}{2}=\dfrac{(2x+4)x}{4}=\dfrac{2x^2+4x}{4}

If this must equal 84, we can solve for x as follows: start with

\dfrac{2x^2+4x}{4}=84

Multiply both sides by 4:

2x^2+4x=336

Subtract 336 from both sides:

2x^2+4x-336=0

We can divide both sides by 2 to make computation simpler:

x^2+2x-168=0

Use the quadratic formula (or any mean you prefer) to solve this equation and get the solutions

x_1=-14,\quad x_2=12

We can't accept the negative solution, because it would imply

AB=-14,\quad CD=-10

and we can't have negative side lengths. So, the answer is 12.

4 0
3 years ago
Write a linear function f with the values F (0) = 4 and F (3) = -8 ​
REY [17]
The answer to this is
Y = -4x + 4

7 0
3 years ago
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