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Margarita [4]
3 years ago
14

-30=-2(-n + 3) Only number not variable

Mathematics
2 answers:
shutvik [7]3 years ago
7 0

Answer:

n=12

Step-by-step explanation:

I'm assuming you want to solve for <em>n</em>

First, you must use distributive property:

-30=-2n-6

Then, add 6 to both sides

-24=-2n

Finally, you must divide by -2

12=n

Lostsunrise [7]3 years ago
6 0
Correct answer is n = -12
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Vlada [557]
Hello,

solution is jointed

7 0
3 years ago
27 + (8-5) -am looking for the answer of number 7
Rasek [7]

Answer:

The answer to the equation from question 7 is 14.

Step-by-step explanation:

In question 7, we are given an equation.

2³ + (8 - 5)² - 3

First, subtract 5 from 8 in the parentheses.

2³ + 3² - 3

Next, solve the exponents for 2³ and 3².

8 + 9 - 3

Add 8 to 9.

17 - 3

Subtract 3 from 17.

14

So, the answer to this equation from question 7 is 14.

4 0
3 years ago
1.
Evgen [1.6K]

Answer:

Null hypothesis H_0; \mu=5

Alternative hypothesis H_a; \mu\neq 5

Step-by-step explanation:

Consider the provided information.

The shower by an adult is 5 minutes.

The mean amount of time that college students spend in the shower is significantly different from 5 minutes. In a sample of 15 students, he found the average time was 4.29 minutes and the standard deviation was 0.75 minutes.

We need to determine the appropriate null and alternative hypotheses.

A null hypothesis is there is no statistical significance between the two variables.

An alternative hypothesis is there is a statistically significant relationship between two variables.

Therefore the required null and alternative hypothesis are:

Null hypothesis H_0; \mu=5

Alternative hypothesis H_a; \mu\neq 5

3 0
3 years ago
What's the improper fraction of 1 5\8
HACTEHA [7]
15/8 is already an improper fraction, if you want a proper fraction the answer is      1 and 7/8
3 0
3 years ago
Read 2 more answers
HELP!! PLEASE!!! QUICK!!! 30 PTS!!!
FromTheMoon [43]
X + 2/3 = -2(4/5x-7)
Is equivalent to -2(x+2/3)=4/5x-7
So the answer would be A
8 0
3 years ago
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