3 years ago

How do you do this? Explanation please #46

Mathematics

1 answer:

Charra [1.4K]3 years ago

6 0

8 3/4 times. Hope this helps :)

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To what expression must 5a square-4a+3 be added to make the sum zero??

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Step-by-step explanation:

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3 years ago

Read 2 more answers

Suppose y varies inversely with X, and y = 48 when x = 3. What is the value of x when y = 24?

olganol [36]

Answer:

C. 6

Step-by-step explanation:

Recall that inverse variation is given by:

$\displaystyle y=\frac{k}{x}$

Where k is the constant of variation.

We know that y = 48 when x = 3. Substitute:

$\displaystyle (48)=\frac{k}{(3)}$

Solve for k:

$k=3(48)=144$

Hence, our equation is:

$\displaystyle y=\frac{144}{x}$

We want to find x when y = 24. Substitute:

$\displaystyle \frac{24}{1}=\frac{144}{x}$

Cross-multiply:

$24x=144$

Divide both sides by 24. Hence:

$x=6$

Our answer is C.

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3 years ago