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jok3333 [9.3K]
2 years ago
5

Triangle 1 is a scale drawing of Triangle 2, as shown below.

Mathematics
2 answers:
Nataly_w [17]2 years ago
8 0
Could you attach a picture of the triangle?
Elan Coil [88]2 years ago
4 0
You need to show us what the triangle is
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What is 32 divided by 0.06?
Alex787 [66]

Answer:

800

Step-by-step explanation:

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2 years ago
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1:150 = 3: x

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What is the value of x in the situation 5 1/6x + 2 1/4 =10
ASHA 777 [7]

Answer:

x=5/57

Step-by-step explanation:

(5/6x)+(1/2)=10

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6 0
3 years ago
The time for a professor to grade an exam is normally distributed with a mean of 16.3 minutes and a standard deviation of 4.2 mi
dem82 [27]

Answer:

62.17% probability that a randomly selected exam will require more than 15 minutes to grade

Step-by-step explanation:

Problems of normally distributed samples are 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.

In this problem, we have that:

\mu = 16.3, \sigma = 4.2

What is the probability that a randomly selected exam will require more than 15 minutes to grade

This is 1 subtracted by the pvalue of Z when X = 15. So

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

Z = \frac{15 - 16.3}{4.2}

Z = -0.31

Z = -0.31 has a pvalue of 0.3783.

1 - 0.3783 = 0.6217

62.17% probability that a randomly selected exam will require more than 15 minutes to grade

8 0
3 years ago
What is the area of the figure use pi
Inessa05 [86]
Area of triangle = 1/2 (6)(5) = 15
Area of semicircle = 1/2(3.14)(3^2) = 14.13

Area of figure = 15 + 14.13 = 29.13

Answer
29.13 square units
6 0
3 years ago
Read 2 more answers
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