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andreev551 [17]
3 years ago
7

Please help me asap!!!

Mathematics
1 answer:
wariber [46]3 years ago
5 0

Answer:

B) AD=30m

Step-by-step explanation:

AG:AD=2:3

Given AG=20m

Then;

20:AD=2:3

Rewrite as ratio to get;

\frac{20}{AD}=\frac{2}{3}

Cross multiply;

2|AD|=3\times 20

2|AD|=60

Divide through by 2;

|AD|=30

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Step-by-step explanation:

16x^2 + 9 = 25

16x^2 = 16

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x = 1, -1

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meriva
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yKpoI14uk [10]

Answer:

a=\frac{2A}{h}-b

Step-by-step explanation:

Hello, I think I can help you with this.

According to the information provided in the problem, the area of ​​a trapezoid is given by

A=\frac{a+b}{2} *h\\

Step 1

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A=\frac{a+b}{2} *h\\divide\ both\ sides\ by\ h\\\\\frac{A}{h}= \frac{\frac{a+b}{2} *h}{h} \\\frac{A}{h}=\frac{a+b}{2}\\\\Now, multiply\ both\ sides\ by\ two\\\\ 2*\frac{A}{h}=2*\frac{a+b}{2}\\2*\frac{A}{h}=a+b\\\frac{2A}{h}=a+b\\\\subtract\ b\ for\ both\ sides\\\frac{2A}{h}-b=a+b-b\\a=\frac{2A}{h}-b

Have a good day.

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Maksim231197 [3]

Answer:

2

Step-by-step explanation:

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