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Temka [501]
3 years ago
7

Solve. 1/2(-4 — 2n) = -17 Please explain it to me if you can I dont really understand how to do these types of problems so it wo

uld be much appreciated!
Mathematics
2 answers:
Aliun [14]3 years ago
6 0
The correct answer would be n = 15.
ad-work [718]3 years ago
4 0

Answer:

<h2>n = 15</h2>

Step-by-step explanation:

\frac{1}{2} ( - 4 - 2n) =  - 17

First of all try to see if there are fractions in the equation .

If so try to find the LCM of the fractions and multiply the equation through by the LCM.

If there is only one fraction multiply through by the denominator of the fraction to eliminate the fraction

If there are brackets try to solve the terms in the bracket first

For the above equation there is only one fraction which is 1/2 so we multiply through by the denominator that's 2

That's

2 \times  \frac{1}{2} ( - 4 - 2n) =  - 17 \times 2

- 4 - 2n =  - 34

Try to make the unknown variable the subject

That's

- 2n =  - 34  + 4

Simplify

- 2n =  - 30

Divide both sides by -2 to make n stand alone

That's

\frac{ - 2n}{ - 2}  =  \frac{ - 30}{ - 2}

We have the final answer as

<h3>n = 15</h3>

Hope this helps you

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Evaluate the expression for the given values.<br><br> 2x + (3y + z2)<br> X = 2, y = 3, z = 4
bazaltina [42]

Answer:

29

Step-by-step explanation:

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pls if this was h helpful pls tag brainiest

3 0
2 years ago
What is the sum of all of the perfect squares between
Nonamiya [84]

Answer:

(-138) is the answer.

Step-by-step explanation:

Perfect square numbers between 15 and 25 inclusive are 16 and 25.

Sum of perfect square numbers 16 and 25 = 16 + 25 = 41

Sum of the remaining numbers between 15 and 25 inclusive means sum of the numbers from 17 to 24 plus 15.

Since sum of an arithmetic progression is defined by the expression

S_{n}=\frac{n}{2}[2a+(n-1)d]

Where n = number of terms

a = first term of the sequence

d = common difference

S_{8}=\frac{8}{2} [2\times 17+(8-1)\times 1]

   = 4(34 + 7)

   = 164

Sum of 15 + S_{8} = 15 + 164 = 179

Now the difference between 41 and sum of perfect squares between 15 and 25 inclusive = 41-179

= -138

Therefore, answer is (-138).

7 0
3 years ago
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balandron [24]

Answer:

Slope: 6/13

Step-by-step explanation:

7 0
3 years ago
Please help! and please hurry Im on a time limit!!
ra1l [238]
The answer is only I and II
5 0
3 years ago
What is 5 1/4- 13/9?
suter [353]
The answer is 29/34 your answer


8 0
3 years ago
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