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Arisa [49]
3 years ago
11

How many solutions are ther to this equation.

Mathematics
1 answer:
Korolek [52]3 years ago
5 0
There are multiple solutions and they will vary. 

Hope this helps!
Can u plz mark me as brainliest? I really need it!
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Assuming that the 30 is term #1 ..... The 'n'th term of the series is. T(n) = 33 - 3n or 3 (11 - n).
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The ratios in a equivalent ratio table are 3:12, 4:16, and 5:20. If the ratio is 10, what is the second number? Justify your rea
anzhelika [568]

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40

Step-by-step explanation:

If you look at the ratios you can see the pattern of the first number being multiplied by 4 everytime. Therefore you must multiply 10 by 4.

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Find the area of the shaded regions. Give your answer as a completely simplified exact value in terms of π (no approximations)
klemol [59]

Answer:

52\pi

Step-by-step explanation:

The total shaded are will be the area of big circle - not shaded circle + little shaded circle.

The are of big shaded circle: \pir^{2} So, A=\pi(8^2)= 64\pi

The are of not shaded circle: \pi r^{2} So, A= \pi(4^2)= 16\pi

The are of little shaded cirlce: \pi r^{2} So, A=\pi(2^2)= 4\pi

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3 0
2 years ago
A race director is preparing for an upcoming marathon and estimates that the mean time to
Taya2010 [7]

93.06% of the race is longer than 236 minutes.

The z score is used to determine by how many standard deviations the raw score is above or below the mean. The z score is given by:

z=\frac{x-\mu}{\sigma} \\\\where\ x=raw\ score,\mu=mean,\sigma=standard\ deviation

Given that μ = 310, σ = 50

For x > 236:

z=\frac{236-310}{50}=-1.48

From the normal distribution table:

P(x > 236) = P(z > -1.48) = 1 - P(z < -1.48) = 1 - 0.0694 = 0.9306 =  93.06%

93.06% of the race is longer than 236 minutes.

Find out more on z score at: brainly.com/question/25638875

3 0
2 years ago
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