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Nostrana [21]
3 years ago
7

What is x + x in the mathematics

Mathematics
2 answers:
Assoli18 [71]3 years ago
8 0

Answer:

X+x =2x

Step-by-step explanation:

I think this ans may help you

Crank3 years ago
3 0

Answer:

2x

Step-by-step explanation:

x + x also equals x times 2

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Solve the system <br><br><br> x - 2y = -6<br> 3x + y = -4
stepan [7]


{x-2y=-6

{3x+y=-4     /*2

{x-2y=-6

<u>{6x+2y=-8     </u> (+)

7x=-14    /:7

x=-2

3x+y=-4

3*(-2)+y=-4

-6+y=-4

y=2

Solution:  (-2; 2)

5 0
3 years ago
A given rectangle has an area of 20 ft.² what is the length for various widths
ruslelena [56]
The area of a rectangle is calculated as length times its width. So, for the given area above, the expression should b written as:

20 = LW

To know the length for various measurement of the width, we can write it by:

L = 20 / W

You can substitute any measurement to W and you can obtain the corresponding value of the length.
8 0
3 years ago
A) (3,2),(2,1)<br><br> B) (3,-2),(-2,1)<br><br> C) (-3,2),(-2,-1)<br><br> D) (-3,-2),(2,-1)
bija089 [108]

Answer:

d

Step-by-step explanation:


4 0
3 years ago
Write the degree of the polynomial 2y – 13y11​
Sophie [7]

Answer:

Assuming u meant 2y - 13y^(11), the degree is 11

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
A)<br> A coach drives 360 miles at a speed of 60 mph.<br> How long does the journey take?
netineya [11]

Answer:

6hrs

Step-by-step explanation:

Speed = distance/time

Given

Speed = 60mph and

Distance = 360 miles

Therefore

60 = 360/time

Cross multiply

time x 60 = 360

Divide both sides by 60

time x 60/60 = 360/60

time = 6 hrs

7 0
3 years ago
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