2 years ago

Match the following equation to the correct situation.

Mathematics

1 answer:

Blizzard [7]2 years ago

6 0

A I’m pretty sure is correct answer

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The answer is 21 quarters

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Lynn Jude and Anne were given the function f(x)=2x^2+6, and they were asked to find f(-4). Lynns answer was 38, Judes answer was

Cerrena [4.2K]

Answer:

Lynn's answer 38 is correct

2(-4)^2+6

2(16)+6

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Step-by-step explanation:

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If a varies directly as b, and a = 28 when b = 7, find b when a = 5.

Reika [66]

Answer: Option B.

$b=\frac{5}{4}$

Step-by-step explanation:

If a varies directly with b then when a increases b it also increases by a factor k.

Then we can write that

$a = kb$

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$28 = k * 7$

$k=\frac{28}{7}$

$k=4$

Therefore the equation of proportionality is:

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So when $a=5$ then:

$5=4b\\\\b=\frac{5}{4}$

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Step-by-step explanation:

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