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NeX [460]
1 year ago
11

What is a correct interpretation of the expression 2 - (-5)

Mathematics
1 answer:
nalin [4]1 year ago
8 0

Answer: 7

Step-by-step explanation: bozo how do you not know that

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A marketing researcher wants to test the hypothesis that, within the population, there are differences in the importance attache
Ira Lisetskai [31]

Answer: Analysis of variance

Step-by-step explanation:

Analysis of variance is the statistical test that's used in analyzing the differences among means. The analysis of variance is used to determine if a statistically significant differences exust between the means of the independent groups.

Based on the question given, the null hypothesis will be that no difference in the importance that's attached to shopping by the consumers living in different regions in the United States.

6 0
2 years ago
Deon finished his math assignment in 2/5 hours. Then he completed his chemistry assignment in 1/2 hours. How much more time did
ipn [44]

Answer:

Deon spent 1/10 of an hour more on chemistry than on math

Step-by-step explanation:

7 0
2 years ago
Pls help ASAP need help pls
AlexFokin [52]

Answer:

1.625

Step-by-step explanation:

First we need to find the mean of this data set

29+32+33+28+30+30+29+33=244

Then we divide 244 by the amount of numbers in the set

244/8=30.5

Then we need to find the deviation of each number

29 | 32 | 33 | 28 | 30 | 30 | 29 | 33

1.5 | 1.5 | 2.5 | 2.5 | 0.5 | 0.5 | 1.5 | 2.5

Then we take the mean from this set of data

1.5+1.5+2.5+2.5+0.5+0.5+1.5+2.5=13

Then divide

13/8=1.625

I hope this helps :)

4 0
2 years ago
Read 2 more answers
Is this question -true or false- I dont know
djyliett [7]

Answer: FALSE

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
If students sit 3 per bench, we are short 3 benches. If they sit 5 per bench,
Ksivusya [100]

An expression is defined as a set of numbers, variables, and mathematical operations. There are a total of 10 benches in the class.

<h3>What is an Expression?</h3>

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

Let the total number of benches be represented by x. If students sit 3 per bench, we are short 3 benches. Therefore, the total number of students can be written as,

Total number of students = 3x + 9

If they sit 5 per bench, 2 benches are left empty, and one bench only has 4 students.

Total number of students = 5(x-1) - 10 +4

Now, the total number of students can be written as,

3x + 9 = 5(x-1) - 10 +4

3x + 9 = 5x - 11

20 = 2x

x = 10

Hence, there are a total of 10 benches in the class.

Learn more about Expression:

brainly.com/question/13947055

#SPJ1

8 0
2 years ago
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