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vlabodo [156]
1 year ago
13

Someone please help! You have to show your work.

Mathematics
1 answer:
AnnZ [28]1 year ago
6 0
40/50 is the ratio because the cos formula is adjacent over hypotenuse and you can reduce it to 4/5 as a fraction :)
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How many numbers have absolute value 3?
kirill115 [55]

Answer:

how many numbers have absolute value 3? zero is your answer

how many numbers have absolute value a, if a>0? your answer is also zero

Step-by-step explanation:

4 0
3 years ago
Cual es el resultado de simplificar. Adjunto foto
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Answer:

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Step-by-step explanation:

i nu speak that language

6 0
3 years ago
The answer of the question,, it's a maths questions
olga55 [171]
You can solve this problem two ways.

1. Divide 68g by 100 to get how many grams per pound and multiply that by 150. This is the hard way.

2. Multiply 68 by 1.5 to get your answer. This is possible because 150 is 1.5 of 100, so multiplying the amount for 100 by 1.5 gives you your answer.
8 0
3 years ago
Read 2 more answers
A researcher wishes to estimate the number of households with two cars. How large a sample is needed in order to be 99% confiden
solmaris [256]

Answer:

Sample size n = 1382

so correct option is D) 1382

Step-by-step explanation:

given data

confidence level = 99 %

margin of error = 3%

probability = 25 %

to find out

How large a sample size needed

solution

we know here P = 25 %

so 1 - P = 1 - 0.25

1 - P  = 0.75

and we know E margin of error is 0.03 so value of Z for 99%

α = 1 - 99%   = 1 - 0.99

α  = 0.01

and  \frac{\alpha}{2} = \frac{0.01}{2}

\frac{\alpha}{2}  = 0.005

so Z is here

Z_(\frac{\alpha}{2}) = 2.576

so

sample size will be

Sample size n =  (\frac{(Z_(\frac{\alpha}{2})}{E})^2 * P * (1-P)

put here value

Sample size n = (\frac{2.576}{0.03})^2 * 0.25 * 0.75

Sample size n = 1382

so correct option is D) 1382

3 0
3 years ago
For the figure shown, find m 1.<br> 115 degrees<br> 56 degrees<br> m 1=°
atroni [7]
I believe it would be 115 plus 56. subtract that from 180. i believe thisbis your answer
3 0
3 years ago
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