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KonstantinChe [14]
2 years ago
6

What is true about the functional relationship shown in the graph?​

Mathematics
2 answers:
Soloha48 [4]2 years ago
7 0
The answer for this is A
Ira Lisetskai [31]2 years ago
4 0

Answer:

A

Step-by-step explanation:

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Please help!!!!!!! I only have 20 minutes left!!
slavikrds [6]

Step-by-step explanation:

You need to find the total number of students the pie chart will represent:

17 + 35 + 38 = 90

So you know, 360° represents 90 people

You can then find out the angle for each person: 360 ÷ 90 = 4

Each person is 4°

a)

1. 17 people took French so you would do 4° × 17 = 68°

2. 35 people took German so you would do 4° × 35 = 140°

3. 38 people took Italian so you would do 4° × 38 = 152°

b)

17 out of 90 people chose french so the probability would be 17/90

5 0
2 years ago
While shopping for a dress, mrs vargas found one that was in sale for 35% off. the original price was $40. how much will she sav
timurjin [86]
Answer: $14

Steps:
What if 35% of $40
35% of 40
35% * 40
0.35 * 40 = $14

She will save $14

Tips:
-The word “of” means multiply
-To change a percent to a decimal move the decimal 2 places to the left.

If this was helpful and correct I would appreciate the brainliest! :)
3 0
2 years ago
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
-2/3a+5/6a-1/6 simplify
ratelena [41]

Answer:

\frac{1}{6} a-\frac{1}{6}

Step-by-step explanation:

-\frac{2}{3} a+\frac{5}{6}a-\frac{1}{6}

=-\frac{4}{6} a+\frac{5}{6}a -\frac{1}{6}

= \frac{1}{6} a-\frac{1}{6}

8 0
3 years ago
Read 2 more answers
Which one is right ???????
wel
Neither, you just multiply the numerators to get 1, then multiply the denominators to get 6. It is 1/6
3 0
3 years ago
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