1 year ago

11x+5x-65x=-36 Porfavor ayuda

Mathematics

1 answer:

abruzzese [7]1 year ago

5 0

If you need this simplified $x= \frac{36}{49}$

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A university knows from historical data that 25% of students in an introductory statistics class withdraw before completing the

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Answer:

13.4%

Step-by-step explanation:

Use binomial probability:

P = nCr p^r q^(n-r)

where n is the number of trials,

r is the number of successes,

p is the probability of success,

and q is the probability of failure (1-p).

Here, n = 16, r = 2, p = 0.25, and q = 0.75.

P = ₁₆C₂ (0.25)² (0.75)¹⁶⁻²

P = 120 (0.25)² (0.75)¹⁴

P = 0.134

There is a 13.4% probability that exactly 2 students will withdraw.

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An elephant can run one over four mile in 36 seconds. Which of the following correctly shows this rate as miles per hour?

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It would be thirty six seconds over one-fourth mile= 144 miles per hour

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The means and mean absolute deviations of the amount of rain that fell each day in a local city, last week and this week, are sh

Dennis_Churaev [7]

The difference in the mean rainfall is given by 19.7 - 19.3 = 0.5

The difference in the <span>mean rainfall is approximately 0.5/4.6 = 0.087 = 8.7 percent of the mean absolute deviation for last week and is 0.5/5.2 = 0.077 = 7.7 percent of the mean absolute deviation for this week.

Therefore, the difference in the </span><span>mean rainfall is approximately what percent of the mean absolute deviation 8% of the mean absolute deviation of the data sets.</span>

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Matt and Shirley, working together, can rake the yard in 10 hours. Working alone, Shirley takes twice as long as Matt. How long

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5 hours is the answer

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The general form of the equation of a circle is 7x2 + 7y2 − 28x + 42y − 35 = 0. The equation of this circle in standard form is

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Answer:

The standard form of a circle is (x-h)^2 + (y-k)^2 = r^2 with (h,k) being the center of the circle and r being the radius. In this case the circle's equation in standard form is (x-2)^2 + (y+3)^2 = 18. Knowing this it's easy to see that the center of the circle (h,k) is (2,-3). Finally the radius is $\sqrt{18}$ or in simplified terms, 3 $\sqrt{2}$

Step-by-step explanation:

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2 years ago

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