Help me solve N? <3 <3 <3 <3

Answers

Answer 1

Answer: take out the division by bring 5 to the other side. (5x5). then bring the 3 over (-3 turns into +3). then divide by 2 to isolate n. final answer 14.

2n-3= 5x5
2n-3=25
2n=25+3
2n=28
n= 28÷2
n=14

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Can someone help me with these questions?
What is 2.0124 rounded to the nearest thousandths?

Convert 198 grams to kilograms

Answers

Answer:

it's 0.198

Step-by-step explanation:

Answer:

0.198

Step-by-step explanation:

divide 198 by 1,000

A tent in the shape of a triangular prism has a square base with a side of 8 feet and a height of 6 feet. What is the volume?

Answers

V = L x W x H
8 x 8 x 6
64 x 6 = 384³

If Dave drives at a steady speed of 50 miles per hour, how long will it take him to drive 10 miles? A: 12 minutes
B: 10 minutes
C: 15 minutes
D: 30 minutes

Answers

$\begin{array}{ccc}50miles&-&1h=60min\n\n10miles&-&t\end{array}\n\n\n\nt=(10\cdot60)/(50)=12\ (min)\n\nAnswer:A$

2x-9+4x+8
The answer choices are:
A 8x+17
B 8x-72
C 6x-1
D -7x+12x

Answers

Answer: 6x-1

Step-by-step explanation:

FACTOR EACH EXPRESSION, IF IT CANT BE FACTORED WRITE CANNOT BE FACTORED. 1. 4x+12 2. 8r-14
3. 5x+35
4. 7+14x
5. 32x-15
6. 24+32x
7. 6x-9
8. 48+24x
9. 72-18x
10. 25+14
11. 8x+24
12. 50x+250

Answers

1.) 4(x+3)
Find the GCF, Greatest Common Factor, of 4x and 12.
4x=2*2*x
12=3*2*2
The greatest common factor is 4. Put this outside of the parentheses. (You would multiply the 2*2)
Then, put the rest of the factors as a sum. (Only the factors on the same line.)
Solution: 4(x+3)

To check, distribute to see if it works.

4x+12

2.) 2(4r+7)
Find the GCF of 8r and 14
8r=2*2*2*r
14= -1*7*2
The greatest common factor is 2. (There is only 1 two, so you would not multiply them.)
Then, put the rest of the factors as a sum. (Only the factors on the same line.)
Multiply the 2*2*r as one addend and the -1*7 as the other.
Solution: 2(4r-7)

To check, distribute to see if it works.

8r-14

Do you get it now?

3.) 5(x+7)
4.) 7(2x+1)
5.) Cannot be factored.

32x-15
Find the GCF of 32x and -15

32x: 2*2*2*2*2*x
-15: -1*5*3

Because there are no similar factors other than 1, it cannot be factored.

6.) 8(4x+3)
7.) 3(2x-3)
8.) 24(1x+2)
9.) 9(-2x+8)
10.) Cannot be factored
11.) 8(1x+3)
12.) 50(1x+5)

The sum of two numbers is 17.The difference of those same two numbers is 3.

Find the two numbers, and their equations

Answers

a+b= 17
a-b=3
a=10
b=7
That is the answer

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