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Studentka2010 [4]
3 years ago
14

Question 2.

Mathematics
1 answer:
lbvjy [14]3 years ago
7 0
B i tink i am not sure
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What is the ratio of 18-29
ANEK [815]
62.069% is what i thank it is
6 0
3 years ago
F(x) = cot x PRE CALC HELP PLS?!
alisha [4.7K]
Check the picture below.

is it even?  well, even functions use the y-axis as a mirror, so a pre-image on the right-side, will be a mirror of the image on the left-side, but in this case it isn't so, if you put a mirror right on the y-axis, the left-side will look a bit different.

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8 0
3 years ago
Solve for x in the figure below. Write your answer in simplest radical form. X = ____
Gnesinka [82]
A^2+b^2=c^2
7^2+11^2=?
49+121=170
x= Square root of 170

Hope this helps!! :)
7 0
2 years ago
HELP YOULL GET BRAINLIEST I NEED MY GRADE
WITCHER [35]

Answer:

1: 56°

2: 124°

3: 124°

4: 56°

5: 124°

6: 56°

7: 124°

8: 56°

Step-by-step explanation:

Angle 5 + Angle 6 = 180

56 + 124 = 180

No other combinations add up to 180

3 0
3 years ago
The distribution of the annual incomes of a group of middle management employees approximated a normal distribution with a mean
kondor19780726 [428]

Answer:

68% of the incomes lie between $36,400 and $38,000.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ =  $37,200

Standard Deviation, σ = $800

We are given that the distribution of SAT score is a bell shaped distribution that is a normal distribution.

Empirical rule:

  • Almost all the data lies within three standard deviation of mean for a normally distributed data.
  • About 68% of data lies within one standard deviation of mean.
  • About 95% of data lies within two standard deviation of mean.
  • About 99.7% of data lies within three standard deviation of mean.

Thus, 68% of data lies within one standard deviation.

\mu \pm \sigma\\=37200 \pm 800\\=(36400,38000)

Thus, 68% of the incomes lie between $36,400 and $38,000.

5 0
3 years ago
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