3 years ago

What is 3 1/8 - 1 7/8

Mathematics

1 answer:

Gekata [30.6K]3 years ago

3 0

Answer:

Exact Form: 5 /4

Decimal Form: 1.25

Mixed Number Form:

1 -----

(I put it in different forms because you did not specify how you wanted your answer)

Please mark me brainliest if this helped (I need It)

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The function A(b) relates the area of a trapezoid with a given height of 14 and one base length of 5 with the length of its othe

Brut [27]

Answer:

$b(a) =\frac{a}{7} -5$

Step-by-step explanation:

Given

$A(b) = 14 * \frac{b + 5}{2}$

Required

Determine the inverse function b(a)

Write A(b) as a

$a = 14 * \frac{b + 5}{2}$

Swap a and b

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$b = 7(a + 5)$

Divide both sides by 7

$a + 5 = \frac{b}{7}$

Maka a the subject

$a =\frac{b}{7} -5$

Swap a and b again

$b =\frac{a}{7} -5$

Hence:

$b(a) =\frac{a}{7} -5$

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