The surface area of a balloon varies directly as the

Mathematics

1 answer:

Sati [7]2 years ago

3 0

Answer:

25π sq. units.

Step-by-step explanation:

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NO LINKS!!! Please help fill in the blanks. Part 7a.

inysia [295]

<h3>Answer: Check out the screenshots below.</h3>

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Explanations:

Part 1

For the first box, we use the log rule that log(A)+log(B) = log(A*B)

Then in the second box, we'll convert to exponential form. The logs are assumed to be base 10.

The third box then factors and uses the zero product property.

----------------------------

Part 2

We check each solution generated in part 1.

Plugging x = 5/3 will lead to the same number on each side. Therefore, x = 5/3 is a true solution.

In contrast, plugging x = -2 leads to a false equation. Recall that the domain of y = log(x) is x > 0. This means we cannot replace x with negative numbers. The value x = -2 is extraneous.

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Part 3

There's not much to explain here that isn't already done so on the screenshot below.

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3 years ago

Need Help 2 & 3 with inequalities!!!

Mrac [35]

Answer:

2. D

3. B

Step-by-step explanation:

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3 years ago

Between 1998 and 2018, inflation for prices of goods and services has been about 51%. Suppose a salon charged $18 for a basic ha

Anestetic [448]

Answer: $22.12

Step-by-step explanation:

I just did the compound interest formula which is

starting amount * (1. interst rate) ^ number of years

example if you have 100$ and you want to know how much it is worth if it appretiates by 7% of a period of 20 years it would look something like this;

100 * (1.10) ^20 = 672.74$

but since you have to figure out what it was in 2008 which was exactly half way in the period you divide the exponent by half so your formula should be;

I know the answer is right because I asked my teacher and it's correct.

REAL EXAMPLE: 18 * (1.51) ^.5 = 22.12$