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Mademuasel [1]
3 years ago
5

Help me please is for an exam

Mathematics
1 answer:
kolezko [41]3 years ago
5 0
I think it’s A . It might be wrong .
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How do i find the area of a trapezoid (pictures provided)
scoray [572]

Answer:

(10x - 5) square units.

Step-by-step explanation:

Let the lengths of equal sides be x units.

Hence, AB + AD + DC = x + x + x = 3x

Therefore, BC = 3x - 2

Area  \: of \:  trapezoid  \\ =  \frac{1}{2} (AD + BC)  \times 5 \\  = \frac{1}{2} (x + 3x - 2)  \times 5  \\ = \frac{1}{2} (4x - 2)  \times 5  \\ = \frac{1}{2} \times 2 (2x - 1)  \times 5  \\  = (2x - 1) \times 5 \\  = (10x - 5) \:  {units}^{2}

5 0
3 years ago
noah does half as many push-ups as joseph. joshua does 3 times as many push-ups as joseph. they complete 324 altogether. How man
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Answer:

112

Step-by-step explanation:

3 0
2 years ago
In 1989 the population of Arizona was 3,622,184. In 1999 the population was 4,778,332. What is the percent of change from 1989 t
kodGreya [7K]
Answer- 31.9%

3,622,184 =100%
4,778,332= x
Criss cross
477,833,200= 3,622,184x
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Because it asks for the change
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3 years ago
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cestrela7 [59]
It would come out as 1
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Describe a strategy for finding the difference of two temperatures/Answer in complete sentences.
bazaltina [42]

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Use google scooby it's easier than this way.

Step-by-step explanation:

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