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Alex17521 [72]
3 years ago
15

What is the complement of an angle whose measure is​

Mathematics
2 answers:
Lubov Fominskaja [6]3 years ago
6 0

Answer:

Supplementary angles are two angles whose measures sum to a 180 degrees and complementary are the sum have to add up to 90 degrees.

Step-by-step explanation:

WITCHER [35]3 years ago
6 0

Answer:

hope u find it useful

hope this is what u want

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Please help me i need this turned in by tonight and i really don’t understand it but i don’t need an explanation i just need the
KATRIN_1 [288]
Answer: 180

Hope it helps

Step by step explanation:

1000*.18=180
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3 years ago
How many times does 5 go into 236
babunello [35]

Answer:

47.2

Step-by-step explanation:

236/5

47.5

8 0
4 years ago
Read 2 more answers
Solve for x:<br><br><br>A 10°<br><br>B 18°<br><br>C 20°<br><br>D 22.5°
enot [183]

Answer:

all right triangles are 90 degrees and in total there is 9x so you divide 90 by 9 to get x=10 A

6 0
3 years ago
The brand manager for a brand toothpaste must plan a campaign designed to increase brand recognition. He wants to first determin
bulgar [2K]

We need to find out how many adults must the brand manager survey in order to be 90% confident that his estimate is within five percentage points of the true population percentage.

From the given data we know that our confidence level is 90%. From Standard Normal Table we know that the critical level at 90% confidence level is 1.645. In other words, Z_{Critical}=1.645.

We also know that E=5% or E=0.05

Also, since, \hat{p} is not given, we will assume that \hat{p}=0.5. This is because, the formula that we use will have \hat{p}(1-\hat{p}) in the expression and that will be maximum only when \hat{p}=0.5. (For any other value of \hat{p}, we will get a value less than 0.25. For example if, \hat{p} is 0.4, then 1-\hat{p}=0.6 and thus, \hat{p}(1-\hat{p})=0.24.).

We will now use the formula

n=(\frac{Z_{Critical}}{E})^2\hat{p}(1-\hat{p})

We will now substitute all the data that we have and we will get

n=(\frac{1.645}{0.05})^2\times0.5(1-0.5)

n=(32.9)^2\times0.25

n=270.6025

which can approximated to n=271.

So, the brand manager needs a sample size of 271

3 0
3 years ago
Which name could be used to describe This group of solid shapes. A.Shapes with. Atleast 1 Circular face. B.Shapes with At least
masha68 [24]

Answer:

The answer is "Option A".

Step-by-step explanation:

Please find the complete question in the attached file.

In the given question, the cone and cylinder shapes both have one circular face at least a cone has one, and the cylinder has two common points.

8 0
3 years ago
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