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Whitepunk [10]
3 years ago
7

Your friend creates a ratio table for the ratio 5:3. Is your friend correct?

Mathematics
1 answer:
kramer3 years ago
6 0

Answer:

yes my friend is correct.

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A fountain is made up of two semicircles and a quarter circle. Find the perimeter of the fountain. Round to the nearest hundredt
Firlakuza [10]

Answer:

Step-by-step explanation:

Ok so the formula for a circle is

A=πr2

The diameter of the semicircle is 15, so if you divide that by 2 you will get a radius of 7.5. Then, the next part of the formula is to square the radius, and to do that you need to multiply the radius by itself. You will then get an answer of 56.25. And then finally, you multiply 56.25 by pi, which is 3.14 and get 176.625. Then for the quarter circle, you have 2 side lengths of 15 feet. To find the area of the quarter circle, do pi times the radius(15), and square the answer. Then, divide the answer by 4 to get the quotient, 554.6025. 176.25 + 554.6025 is 730.8525 . That rounded to the nearest 100th is 730.85.

I really hope this helped and I'm sorry if it is incorrect.

5 0
3 years ago
Polygon ABCD is defined by the points A(-5, 1), B(-4, 3), C(-2, 7) and D(-1, 2) if the polygon rotates 90 counterclockwise to cr
Akimi4 [234]
If the polygon ABCD rotates 90° counterclockwise then every point rotates the same. The coordinates of C´ are: B) (-7,-2)
6 0
3 years ago
Read 2 more answers
Someone help me with and tell me how to do it!
MAXImum [283]

Answer:

so what you want to do is change that frac tion to a decimal which would be -.375 then compare that to .27, -3, and 4/6 or .6 repeating now which one is farther from 0? that would be .6 repeating so the answer is d 2/3 because it is equivilant to 4/6

Step-by-step explanation:

8 0
3 years ago
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HELP PLZZZ HELPPPP??.!.!!.!.
bekas [8.4K]

Answer:

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Step-by-step explanation:

5 0
3 years ago
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The average daily volume of a computer stock in 2011 was μ=35.1 million​ shares, according to a reliable source. A stock analyst
alexandr1967 [171]

Answer:

The 95% confidence interval is ( 27.126 , 34.674)

Step-by-step explanation:

Given

The t critical value at 0.05 level = 2.023 for the df = 39

Confidence interval = 95%

Mean  

\bar{x} - t * \frac{s}{\sqrt{n} } < \mu < \bar{x} + t * \frac{s}{\sqrt{n} }

Substituting the given values we get -

\30.9 - 2.023 * \frac{11.8}{\sqrt{40} } < \mu < \30.9 + 2.023 * \frac{11.8}{\sqrt{40} }\\27.126 < \mu < 34.674

Hence, the 95% confidence interval is

( 27.126 , 34.674)

4 0
3 years ago
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