Question

Evaluate the following expressions for a = -3,b=2,c=5
and d= -4.

a-4b/3c+2d

Do not show your work and give a numeric answer only. Give
your answer to the nearest hundredth (example: 1.25)

Answer 1

Hey!

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We know that (a = -3), (b = 2), (c = 5), and (d = -4).

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Solution #1:

$=\frac{a-4b}{3c+2d}$

$=\frac{(-3) - 4(2)}{3(5) + 2(-4)}$

$=\frac{(-3) - 8}{15 +( -8)}$

$=\frac{-11}{7}$

≈ 1.57

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Solution #2:

= a - 4b / 3c + 2d

= (-3) - 4(2) / 3(5) + 2(-4)

= (-3) - 8 / 15 + (-8)

= (-3) - 0.53 + (-8)

= (-3.53) + (-8)

= -11.53

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Solution #1 Answer: 1.57

Solution #2 Answer: -11.53

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