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KatRina [158]
3 years ago
5

Which expressions are equivalent?

Mathematics
1 answer:
White raven [17]3 years ago
7 0

Answer:

option A and E

Step-by-step explanation:

Option A is equivalent because of the commutative law of addition;

(A + B) + C = A + (B + C)

option E is also correct because multiplication rule of inside the brackets.

A - ( - B - C) = A + B + C

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If a sample of 362 customers is taken from a population of 5530 customers,
inysia [295]

Using concepts of <u>sample and population</u>, it is found that the sample variance is representative of 362 and 5530 customers ages, option D.

------------------------

In sampling, the <u>information is taken from a sample</u>, and is used to <u>estimate it for the whole population</u>.

  • In this problem, we have a sample of 362 and a population of 5530 customers.
  • The sample variance s^2 is calculated from the sample, and used as an estimate for the population variance. Thus, it can be said that it represents both 362 and 5530 customers, and the correct option is D.

A similar problem is given at brainly.com/question/4086221

6 0
1 year ago
Write the ratio 4 L : 5.6 L as a fraction in the simplest form with whole numbers in the numerator and denominator
Fiesta28 [93]

Answer:

Step-by-step explanation:

It's 5/7

You get that by having a calculator that does that. If you don't then the way to do it is multiply the numerator and denominator by 1.25

4 * 1.25 = 5

5.6 * 1.25 = 7

8 0
2 years ago
What is the answer plz help
atroni [7]

Answer:

108

Step-by-step explanation:

12/4=3

36 x 3 = 108

3 0
3 years ago
Multiple choice question
konstantin123 [22]

Answer:

b. g(x)=|x+3|-1

Step-by-step explanation:

7 0
2 years ago
Can someone plz help? I do not understand
Slav-nsk [51]

Answer:

y=x no

y=12x yes

y=1.6x yes

y=3/(4x) no

y=2x+1 no

y=3+x no

Step-by-step explanation:

4 0
3 years ago
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