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3 years ago

Simplify 3 + 3/4x - 3 - 2/12x Show All The Steps you took to solve the problem

1 answer:

6 0

I am not good at this computer so that's why I am not able to right all the steps. But I will tell the answer just in case you need it right away.
The correct is 7x/12
This is in a fraction way.

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A board of length 7 divided by the quantity x minus 2 end of quantity meters was cut into two pieces. If one piece is 3 divided

bulgar [2K]

Answer:

Length of other board $=\frac{4x+20}{x^{2} -4}$ metres

Step-by-step explanation:

Given: Length of board = $\frac{7}{x-2}$ metres

Length of board was divided into two.

Length of one piece = $\frac{3}{x+2}$ metres

Let $l$ = length of the other board

Length of the other board = Length of board - Length of one piece

So, $l=\frac{7}{x-2}-\frac{3}{x+2}$

$l=\frac{7(x+2)-3(x-2)}{(x-2)(x+2)} \\\\l=\frac{7x+14-3x+6}{x^{2} -4} \\\\l=\frac{4x+20}{x^{2} -4}$

Thus, length of the other board $=\frac{4x+20}{x^{2} -4}$ metres

4 0

4 years ago

Cleo added 3a+4b and got 7ab. Three of these statements explain why her answer is wrong. Which one does not

Triss [41]

Answer:

3 and 4 are factors of 12 so they should be multiplied to get a product of 12 ab. (Answer D)

Step-by-step explanation:

You do not multiply in addition unless an exponent is present. You should not multiply or add considering these are not like terms. Therefore, D is wrong.

5 0

3 years ago

Help me with this and you will be awarded handsomely.

olya-2409 [2.1K]

Answer:

1. 51

2.25

3.104

4.31

5.41

Step-by-step explanation:

7 0

4 years ago

To train for a race, Scott wants to run 20 miles this week. He runs 14 of the miles on Monday.

nalin [4]

Answer:

Scott will need 3 more to meet his goal

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Jaime hiked for 3 days across an island. He started at the shoreline, which is at an elevation of O feet.

Gre4nikov [31]

Answer:

D. 4120 feet

Step-by-step explanation:

<u>Jamie lost on the third day:</u>

2150 + 1970 = 4120 feet

Correct option is D.

4 0

3 years ago

Read 2 more answers