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Hunter-Best [27]
2 years ago
11

Which expression is three less than the product of a number and two,increased by five

Mathematics
1 answer:
Tpy6a [65]2 years ago
6 0

Answer:

(2x+5)-3

Step-by-step explanation:

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Answer:

40

Step-by-step explanation:

We can see that at 1 minute there is 40 beats, at 2 minutes there is 80 beats, at 3 minutes there is 120 beats, at 4 minutes there is 160 beats and at 5 minutes there is 200 beats. If we divide each of the beats by its corresponding minute we will get 40

40 beats at 1 minute → 40 ÷ 1 = 40

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Step-by-step explanation:

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A college statistics class at a nearby university has 1,000 students enrolled in it. On a recent exam, the mean score was 75% wi
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Answer:

38.11%

Step-by-step explanation:

Given that:

Mean (μ) = 75, standard deviation (σ) = 5

Z score is a measure in statistics to determine the variation of a raw score from the mean. It is given by the equation:

z=\frac{x-\mu}{\sigma}

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For x = 73, the z score is:

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For x = 78, the z score is:

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From the probability distribution table:

P(73 < x < 78) = P(-0.4 < z < 0.6) = P(z < 0.6) - P(z < -0.4) = 0.7257 - 0.3446 = 0.3811 = 38.11%

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Step-by-step explanation:

Year on is 480 dollars and year two is 960 dollars

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