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mylen [45]
3 years ago
14

The segments shown below could form a triangle.

Mathematics
1 answer:
Gwar [14]3 years ago
3 0
Okay i’m going to Say B
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What is 2,400,000 in word form
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Two million, four hundred thousand.
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A warehouse distributor of carpet faces a normally distributed demand for its carpet. The average demand for carpet from the sto
Snezhnost [94]

Answer with Step-by-step explanation:

Since the demand is normally distributed the required probability can be found from the area under the normal distribution curve as

Part a)

Given mean = 4500 yards per month

Standard deviation = 900 yards

Thus area under the curve corresponding to 6000 yards is found from the standard variate factor Z as

Z=\frac{X-\bar{X}}{\sigma }\\\\Z=\frac{6000-4500}{900}=1.67

Area for Z = 1.67 = 95.22%

Thus the probability that the demand will be met is 0.9522 hence the probability that the demand will not be met is P(E)=1-0.9522=0.0478

Part b)

The reuired answer is area between 5000 and 7000 yards in the normal distribution curve thus we have

Z_1=\frac{5000-4500}{900}=0.56.

Z_2=\frac{7000-4500}{900}=2.78

The area between these 2 values is 49.73% hence the reuired probability is 0.4973.

Part c)

For 97% satisfaction of demand the Z factor corresponding to 97% of area is found to be 1.88

thus we can write

1.88=\frac{X-4500}{900}\\\\X=4500+1.88\times 1.88=6193

4 0
3 years ago
(-4y - 1) + (-9y -2)
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Answer:

-13y-3

Step-by-step explanation:

(-4y - 1) + (-9y -2)

remove parenthesis

-4y - 1 + -9y -2

combine like terms

-13y - 1 - 2

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-13y- 3

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Step-by-step explanation:

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88 divided by 2 is 44.
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