Find the area of each polygon. 35 points

Mathematics

1 answer:

stiv31 [10]2 years ago

6 0

Answer:

I would like to the the same thing

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Which of these is equal to cos 19°?

PilotLPTM [1.2K]

Hello there.

Question: <span>Which of these is equal to cos 19°?

Answer: There aren't any options so i can only give the value for it which is 0.9455

</span>Hope This Helps You!
Good Luck Studying ^-^

4 0

2 years ago

How do you find the angle for n? If you can, please show work on how to get to the answer. Thank you!

PtichkaEL [24]

A triangle needs to add up to 180 degrees so 44 plus 37 is 81 so that last angle is 99 degrees then you do 180 minus that angle because those 2 angles need to equal up so not equals 81

5 0

2 years ago

Tom has been playing on the school bowling team. In his first year as a freshman, his bowling average was 180. He had been bowli

Advocard [28]

Answer:

0.000025

Step-by-step explanation:

the difference between225-180=45

so the percentage= 45×100/100

=0.45%

as the instruction say=0.45%/180

=0.0045/180

=45/1800000

=0.000025

3 0

2 years ago

An English professor assigns letter grades on a test according to the following scheme. A: Top 15% of scores B: Scores below the

lisabon 2012 [21]

Answer:

59 to 66

Step-by-step explanation:

Mean test scores = u = 74.2

Standard Deviation = $\sigma$ = 9.6

According to the given data, following is the range of grades:

Grade A: 85% to 100%

Grade B: 55% to 85%

Grade C: 19% to 55%

Grade D: 6% to 19%

Grade F: 0% to 6%

So, the grade D will be given to the students from 6% to 19% scores. We can convert these percentages to numerical limits using the z scores. First we need to to identify the corresponding z scores of these limits.

6% to 19% in decimal form would be 0.06 to 0.19. Corresponding z score for 0.06 is -1.56 and that for 0.19 is -0.88 (From the z table)

The formula for z score is:

$z=\frac{x-u}{\sigma}$