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Agata [3.3K]
3 years ago
6

Easy question!!! If m 2B - m2D- 39º, find m2C so that quadrilateral ABCD is a parallelogram. The diagram

Mathematics
1 answer:
adell [148]3 years ago
3 0
Option 2 I hope this is answer
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I need help with this. It’s for geometry!
blsea [12.9K]

Step-by-step explanation:

Find angle W first:

37 + 93 + W = 180 ---> W = 50°

Use sine law to find the length w:

w/(sin 50) = 31/(sin 37)

w = 31(sin 50/sin 37)

= 39.5

4 0
3 years ago
The starting salaries of individuals with an MBA degree are normally distributed with a mean of $40,000 and a standard deviation
liraira [26]

Answer:

d. 76.98%

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 = 40000, \sigma = 5000

What percentage of MBA's will have starting salaries of $34,000 to $46,000?

This is the pvalue of Z when X = 46000 subtracted by the pvalue of Z when X = 34000. So

X = 46000

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

Z = \frac{46000 - 40000}{5000}

Z = 1.2

Z = 1.2 has a pvalue of 0.8849

X = 34000

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

Z = \frac{34000 - 40000}{5000}

Z = -1.2

Z = -1.2 has a pvalue of 0.1151

0.8849 - 0.1151 = 0.7698

So the correct answer is:

d. 76.98%

7 0
3 years ago
The lateral area of a right prism having a perimeter of 25 inches and a height of 5 inches is?
Pepsi [2]

Answer:

The lateral area is LA=125\ in^{2}

Step-by-step explanation:

we know that

The lateral area of a right prism is equal to

LA=PH

where

P is the perimeter of the base of the prism

H is the height of the prism

in this problem we have

P=25\ in

H=5\ in

substitute

LA=(25)(5)=125\ in^{2}

4 0
3 years ago
What is the similarity theorem is being used?
IgorLugansk [536]
If you divide the numbers on the bigger triangle by 5 you get the numbers on the smaller one
7 0
3 years ago
Jack is paid £2400 a month.
olga2289 [7]

Answer:

300+400+500=1200

Step-by-step explanation:

given total paid $2400

spend $1200 on a rent (half of his paid)

so rest he spend as a ratio of 3:4:5=1200

let x as a amount he using to pays rest of the bills so

3x+4x+5x=1200

12x=1200

x=1200/12

x=100

so he spends 3x=300

4x=400

5x=500

hope it helps you

mark as brain list

7 0
3 years ago
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