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2 years ago

What is the length of side a? Round to the nearest tenth of an inch. Enter your answer in the box.

Mathematics

1 answer:

Wittaler [7]2 years ago

5 0

9514 1404 393

Answer:

14.4

Step-by-step explanation:

The Pythagorean theorem tells you ...

7² +a² = 16²

a² = 256 -49

a = √207

a ≈ 14.4

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S(t) = -105t + 945 to determine the salvage value, S(t), in dollars, of a table saw t years after its purchase. How long will it

anyanavicka [17]

Answer:

Step-by-step explanation:

When something depreciates completely, it will have a total value of 0 dollars. Therefore, set the equation to zero and solve for <em>t</em> to find the years.

$S(t)=-105t+945\\0=-105t+945\\-105t=-945\\t=9$

Therefore, the table saw will completely depreciate after 9 years.

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2 years ago

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In order for the two figures shown below to be similar, the length of the

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Answer: 66

Step-by-step explanation:

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A bicycle store costs $3150 per month to operate. The store pays an average of $65 per bike. The average selling price of each

OLga [1]

Answer: 35

Step-by-step explanation:

-3150M-65b+155b

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2 years ago

At the beginning of an environmental study, a forest covered an area of 1500 km2 . Since then, this area has decreased by 9.8% e

fredd [130]

Answer:

$A(t)=(0.902)^t \cdot 1500$ $[km^2]$

Step-by-step explanation:

In this problem, the initial area of the forest at time t = 0 is

$A_0 = 1500 km^2$

After every year, the area of the forest decreases by 9.8%: this means that the area of the forest every year is (100%-9.8%=90.2%) of the area of the previous year.

So for instance, after 1 year, the area is

$A_1 = A_0 \cdot \frac{90.2}{100}=0.902 A_0$