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nalin [4]
4 years ago
8

Which situation is best represented by the following equation? 2x + x = 21

Mathematics
1 answer:
krek1111 [17]4 years ago
6 0

Answer:

If your solving for x then its x=3 because you combine liked terms then divide both sides by 3.

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What is the solution? pls help
loris [4]

Answer:

Solve by substitution

[y=5/2x-4]

[y= -x+3]

Substitute y = -x +3

[-x+3=5/2x-4]

Isolate x for -x+3=5/2x-4: x=2

For y = -x+3

Substitute x = 2

y= -2+3

Simplify

y=1

The solutions to the system of equations are:

y=1 x=2

3 0
2 years ago
Khalil with me six times as many baskets at John during basketball practice
ycow [4]

Answer:

Step-by-step explanation:

how many baskets does john have?

8 0
3 years ago
???????????????????​
Inessa05 [86]

Answer:

Idk how to explain but I think its C

Please don't delete my answer unless its wrong to those who love deleteing answers

Step-by-step explanation:

3 0
3 years ago
the length of a side of a square is 10x+4 units. If the perimeter is 96 units. What is the area of the square?​
dmitriy555 [2]

Answer:

576 Units

Step-by-step explanation:

The way your teacher wants you to do it:

1. We know that multiplying a length by four gives us the perimeter of a square.

1a. Thus, we multiply the given length by four. 4(10x+4)=40x+16

1b. We know the perimeter is 96. So: 40x+16=96

2. Solving for x, we get x=2

3. Plugging our solved x into the given length  (10x+4), we see that the length of a side of the square is 10*2+4=24.

4. We know that the area of a square can be found by squaring the side of a square.

4a. 24*24=576.

5. The area is 576 units.

--------------------------------------------------------------

Easier Solution:

1. We know that the perimeter is length*4.

2. We set L to length.

2a. 4L=96

2b. L=24

3. We know that the length square is area.

4. 24*24=576.

4 0
3 years ago
How much is 70% of 140 ?<br><br>thankyou ~​
Paul [167]

Answer:

98

Step-by-step explanation:

Of means multiply

70% * 140

.70 * 140

98

3 0
3 years ago
Read 2 more answers
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