2 years ago

If k is one of the roots of x+4k-20/x=0, determine the possible values of k.

1 answer:

8 0

Answer:

The fact that British sailors drank a lot of lime juice resulted in А the expression "an apple a day keeps the doctor away.". B. the sailors being called Limeys. C doctors learning that limes prevent scurvy. D limes being called "watery Brits."

Step-by-step explanation:

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The distance from the center of a round horse corral to the fence is 25 yards. What is the area of the horse corral?

Ksivusya [100]

Answer:

625 pi (no approximation)or 1962.5(approximation)

Step-by-step explanation:

You do pi times radius squared.

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3 years ago

Graph the function f(x)=4x-7

olga nikolaevna [1]

Answer:

1. Start at negative 7 on the y axis

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2 years ago

1. If a - b = 4 and a + b = 12, what is the<br> value of a?

Marta_Voda [28]

A=8

Explanation: a+b=12 a-b=4
^^^^^^^ ^^^^^^
8+4=12 8-4=4
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3 years ago

A cube has a volume of 512 mm^3. If all sides of the cube are divided by 4, what will the resulting volume be?

pshichka [43]

$\bf \textit{volume of a cube}\\\\
V=s^3\qquad \boxed{s=\frac{s}{4}}\implies V=\left( \cfrac{s}{4} \right)^3\implies V=\cfrac{s^3}{4^3}\implies V=s^3\cdot \cfrac{1}{4^3}
\\\\\\
V=s^3\cdot \cfrac{1}{64}\impliedby \frac{1}{64}\textit{ of the original volume, if the original was 512}
\\\\\\
512\cdot \cfrac{1}{64}\implies \cfrac{512}{64}$

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3 years ago

What is the solution set of {x | x < 2} {x | x ≥ 2}?

elena-14-01-66 [18.8K]

Answer:

I'm pretty sure it's B

Step-by-step explanation:

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3 years ago