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Arlecino [84]
4 years ago
12

I have no idea on how to do this please help now!!

Mathematics
1 answer:
siniylev [52]4 years ago
6 0
That line is the radius. to get the area you take that number and square it, so 5 squared. to find the circumference you take two time pi(3.14) times the radius (5) I hope that helps! 
area= 25ft squared
circumference= 31.4
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Evaluate the indicated limit algebraically. Change the form of the function where necessary. Please write clearly with descripti
alukav5142 [94]

Answer:

\displaystyle \lim_{x\to \infty}\frac{3x^2+4.5}{x^2-1.5}=3

Step-by-step explanation:

We want to evaluate the limit:

\displaystyle \lim_{x\to \infty}\frac{3x^2+4.5}{x^2-1.5}

To do so, we can divide everything by <em>x</em>². So:

=\displaystyle \lim_{x\to \infty}\frac{3+4.5/x^2}{1-1.5/x^2}

Now, we can apply direct substitution:

\Rightarrow \displaystyle \frac{3+4.5/(\infty)^2}{1-1.5/(\infty)^2}

Any constant value over infinity tends towards 0. Therefore:

\displaystyle =\frac{3+0}{1+0}=\frac{3}{1}=3

Hence:

\displaystyle \lim_{x\to \infty}\frac{3x^2+4.5}{x^2-1.5}=3

Alternatively, we can simply consider the biggest term of the numerator and the denominator. The term with the strongest influence in the numerator is 3<em>x</em>²<em>, </em>and in the denominator it is <em>x</em>². So:

\displaystyle \Rightarrow \lim_{x\to\infty}\frac{3x^2}{x^2}

Simplify:

\displaystyle =\lim_{x\to\infty}3=3

The limit of a constant is simply the constant.

We acquire the same answer.

6 0
3 years ago
In 2008, the minimum wage was $8 per hour. Now it is $13. By what percent did the price change?
MrRa [10]

Answer:

62.5%

Step-by-step explanation:

13-8=5

5/8 × 100=62.5

6 0
3 years ago
What is the domain of, f (x) = -2 (x+5)^2 -3
vodka [1.7K]
The domain of any polynomial is
.. all real numbers.
4 0
4 years ago
John earns $5.75 per hour. He worked 40.0 hours last week. What was the amount of his check?
ratelena [41]

Answer: 230


Step-by-step explanation:

Given: The amount earned by John in an hour= $5.75

If he worked 40.0 hours last week, then the amount he earned is given by:-

The amount he earned in 40 hours=40\times5.75

⇒The amount he earned in 40 hours= $230

Hence, he earned in 40 hours = $230

Therefore, the amount of his check was 230.

8 0
3 years ago
Read 2 more answers
Domain f(x)=5^(2x-1)​
notka56 [123]

The attached image may have what you are looking for.

4 0
3 years ago
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