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barxatty [35]
1 year ago
10

How to solve if 5a=6 and 7b=8, 35ab= (please explain, i need explaination)

Mathematics
1 answer:
ser-zykov [4K]1 year ago
6 0

Answer:

35ab = 48

Step-by-step explanation:

given

5a = 6 ( divide both sides by 5 )

a = \frac{6}{5}

and

7b = 8 ( divide both sides by 7 )

b = \frac{8}{7}

substitute these values for a and b into the expression and simplify

35ab

= 35 × \frac{6}{5} × \frac{8}{7} ( divide 35 and 5 by 5 )

= 7 × 6 × \frac{8}{7}

= 42 × \frac{8}{7} ( divide 42 and 7 by 7 )

= 6 × 8

= 48

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Answer:

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Step-by-step explanation:

Let a, b, c and d be the trapezoid's sides lengths.

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Since a+b+c+d=14\ ft, then

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