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r-ruslan [8.4K]
3 years ago
12

If X > 0 and y > 0 , then which quadrant holds the solutions ?

Mathematics
1 answer:
pantera1 [17]3 years ago
8 0

Answer:

First Quadrant

Step-by-step explanation:

The quadrant in which both x and y are greater than 0 is the First Quadrant.

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ivanzaharov [21]

Answer:

\frac{16}{81}

Step-by-step explanation:

Just Square the numbers like a normal equation.

4² = 16

9² = 81

This gives us \frac{16}{81}

or 0.198 as a decimal (approx)

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3 years ago
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1. Write an equation in point-slope form of the line that that passes through the point (4,-5) and has a
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Answer:

y + 5 = (3/2)(x - 4)

Step-by-step explanation:

The point-slope formula is y - k = m(x - h).  We get h and k from the given point:  h = 4 and k = -5, and m from the given slope:  3/2.  Then we have:

y + 5 = (3/2)(x - 4)

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3 years ago
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djverab [1.8K]

Answer:

The speed of the boat is 29 km/h and the speed of the stream is 19 km/h.

Step-by-step explanation:

8 0
2 years ago
An inequality is shown below.
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You are looking for something that does not let 25x go over 80.
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3 years ago
Assume that the heights of men are normally distributed with a mean of 69.0 inches and a standard deviation of 2.8 inches. If th
ioda

Answer:

The bottom cutoff heights to be eligible for this experiment is 66.1 inches.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

Mean of 69.0 inches and a standard deviation of 2.8 inches.

This means that \mu = 69, \sigma = 2.8

What is the bottom cutoff heights to be eligible for this experiment?

The bottom 15% are excluded, so the bottom cutoff is the 15th percentile, which is X when Z has a pvalue of 0.15. So X when Z = -1.037.

Z = \frac{X - \mu}{\sigma}

-1.037 = \frac{X - 69}{2.8}

X - 69 = -1.037*2.8

X = 66.1

The bottom cutoff heights to be eligible for this experiment is 66.1 inches.

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3 years ago
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