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RSB [31]
3 years ago
13

3b +2f = 21.50 What is the Answer for B and F

Mathematics
1 answer:
Citrus2011 [14]3 years ago
5 0

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

b=7.1¯6−2f/3

Isolate the variable by dividing each side by factors that don't contain the variable.

f=10.75−3b/2

Step-by-step explanation:

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The professor of a business statistics class wanted to find out the average amount of time per week her students spent studying
zhenek [66]

Answer:

Cluster sample

Step-by-step explanation:

This is an example of a cluster sample. In a cluster sample, the examiner divides the population into groups (each one of these groups is called a cluster) and once the examiner has these clusters, takes one of them and recollects the data from ALL the members of that cluster. In this case, the teacher divided the class in 3 different groups and then selects one of these groups and asks the average amount of time per week he/she spent studying.

6 0
3 years ago
Prove that <br><br><img src="https://tex.z-dn.net/?f=2%20%5Ctan30%20%5Cdiv%201%20%2B%20tan%20%5E%7B2%7D%2030%20%3D%20sin60" id="
iVinArrow [24]

Step-by-step explanation:

2tan 30° / 1 + tan² 30° =

2(⅓√3) /1 + (⅓√3)² =

⅔√3 / 1+ ⅓ =

⅔√3 / 4/3 =

2/4 √3 =

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3 0
3 years ago
Find the value of f(g(-2))
PSYCHO15rus [73]

Answer:

The correct ans is 3.

g(-2) = 2(-2) + 5

=-4 + 5 = 1

f(g(-2)) = 4 - (1)^2

= 4 - 1

=3

Step-by-step explanation:

4 0
3 years ago
please help!!! ive been trying this question for the pass 20 minutes and cant seem to understand it!!
Lesechka [4]

Answer:

D

Step-by-step explanation:

Beacuse ‍♀️

5 0
3 years ago
Read 2 more answers
How would you find 1/11 is as a decimal using a calculator?
marishachu [46]

Answer:

divide 11 by 1. the answer would be 0.0909

Step-by-step explanation:

if you have a graphing calculator then you have the option to put it in as a fraction and then you would put it into a decimal. and if not then you could do it on paper.

3 0
3 years ago
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