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3 years ago

8

alaska has a land area of aboit 1,700,00 square kilometers. Florida has a land area 1/10 the size of Alaska. What is the land ar

ea of Florida

1 answer:

Usimov [2.4K]3 years ago

8 0

If you meant 1,700,000, it'd be 170,000 because you multiply it by 0.1. If you meant 17,000, you'd get 1,700.

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Simplify 5 with the power of 3 and 2.5 with the power of 2. Help fast please!!!

Mars2501 [29]

5^3=125; 2.5^2=6.25. So the answer to your first question is 125, and the second one is 6.25

6 0

3 years ago

(a) Find a 90% confidence interval for the population mean price (per 100 pounds) that farmers in this region get for their wate

Anon25 [30]

Answer:

The margin of error (E) $=0.49$

Step-by-step explanation:

Given,

mean $\bar{x}=6.88$

standard deviation $\sigma=1.90$

sample size $n=41$

$90\% \quad \text{confidence interval}$

Critical value $=\frac{z_\alpha}{2}\quad \quad\quad[\because\;\alpha=1-\text{confidence interval}]$

$=1-0.90$

$\Rightarrow \alpha=0.1$

Critical value $=\frac{z_{0.1}}{2}$

$=z_{0.05}$

$=1.645$

The margin of error (E) $=\frac{z_\alpha}{2} \times\frac{\sigma}{\sqrt{n} }$

$=1.645\times\frac{1.90}{\sqrt{41} }$

$=0.49$

Hence, The margin of error (E) $=0.49$

Complete question is attached in below.

7 0

3 years ago

Mr. F is buying 8 computers for the computer lab. if one computer costs $1,156, How much will the computers cost in all?

Andreas93 [3]

answer: $9248

explanation:

well, we know the cost for one, so if each computer costs the same, multiply the cost of one of them by 8 to get the total.

8 x 1,156 = 9248.

so, we can assume this is what the computers will cost in total because there seems to be no added tax or fees.

<em>i hope this helps, and have a great day! don't hesitate to ask if you need more help with this specific question! ♥ - eviezoom </em>

3 0

3 years ago

Find (gof)(3)<br> f(x) = |x+2|<br> g(x) = -x^2<br><br> A. -25<br> B. 1 <br> C. 4<br> D. -15

Ksenya-84 [330]

Answer:

A

Step-by-step explanation:

to find (g ￮ f)(3) , evaluate f(3) and substitute the value obtained into g(x)

f(3) = | 3 + 2 | = 5 , then

g(5) = - 5² = - 25

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2 years ago

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What is another way to write 300+20+5

kakasveta [241]

325 three hundred twenty-five

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3 years ago

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