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Over [174]
3 years ago
15

8 in. 4 in. 13 in. Find the area of a trapezoid

Mathematics
1 answer:
insens350 [35]3 years ago
4 0

Answer:

the area is 68

Step-by-step explanation:

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Rewrite the equation by completing the square. X^2-14x+40=0
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Step-by-step explanation:

I hope this helps

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3 years ago
The length of a rectangle is 3 centimeters less than twice its width. The perimeter of the rectangle is 48 cm. What are the dime
Vlada [557]
The equation for the length is L=2W - 3. The perimeter is 48 cm and the equation for finding the perimeter is P = 2W + 2L. Substitute the formula of L into the formula for perimeter and solve algebraically:

P = 2W +2L \\ 48= 2W + 2(2W-3) \\ 48=2W + 4W - 6 \\ 48 = 6W - 6 \\ 48+6 = 6W \\ 54=6W \\ W=9 \\ L=2(9)-3 = 15

The correct answer is A) length = 15cm; width = 9cm
3 0
3 years ago
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A certain scrapbook kit costs $26, and there is 6% sales tax.
Alex17521 [72]

Answer:

1% of 26 is $0.26 so 6% of $26 is $1.56

Step-by-step explanation

The answer for this is very easy all you have to do is for the first half you take 1% and turn it into a decimal which is 0.01 then you multiply 0.01 by 26 which is 0.26. For the next half of the problem, it's just like the last one you take 6% and turn it into a decimal which is 0.06 then you multiply 0.06 by 26 which is 1.56 and then you have your answer.

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3 years ago
Suppose we roll two fair four-sided dice. let x denote the sum of the two roll outcomes. for example, if the first roll yields "
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