3 years ago

Which number below best represents a positive charge of 1,861?

1 answer:

5 0

The second one is the only positive besides 4th but the second and first are the only 1861 so ide have to say the second one

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ycow [4]

Answer:

$t(400)=673$ .

It means that 673 of 9 inch tiles are required to cover an area of 400 square feet, when spacing the tiles a quarter inch apart.

Step-by-step explanation:

Given:

The function relating number of 9 inch tiles required and area to cover is:

$t(A)=\frac{144}{9.25^2}A$

Now, plug in 400 for $A$ to evaluate $t(400)$ .

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