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Juliette [100K]
3 years ago
11

2x/5 = 4 what is the value of X?

Mathematics
2 answers:
Oksi-84 [34.3K]3 years ago
6 0

Answer:

x=10

Step-by-step explanation:

2x/5 = 4

2x=5×4

x=20/2=10

hoa [83]3 years ago
6 0

Answer:

10

Step-by-step explanation:

cross-multiply:

2x/5 = 4/1

2x = 20

x = 10

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Step-by-step explanation:

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The length of a rectangle is twice its width, while the
hoa [83]

Answer: Length = 12 units

Width = 6 units

Step-by-step explanation:

Let the width of the rectangle be represented by x.

Since the length of a rectangle is twice its width, thus means that the length will be: = 2x

Perimeter of a rectangle = 2(l + w)

where,

L = length

W = width

Therefore,

Perimeter = 2(l + b)

36 = 2(2x + x)

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7 0
3 years ago
40 points!! need help asap
Mekhanik [1.2K]

#1.

[4x = -12y + 16 and x + 3y = 4]

One answer


#2.

Here, y = 4x + 3

y - 4x = 3

Multiply by 2,

2y - 8x = 6

Compare with second equation,

6 ≠ 3

In short, System of Equation does not have any solution. [ Option D ]

#3.

2y=6

3x-6y=18

Divide first equation by 2: y=3

Substitute y=3 into second equation: 3x-6(3)=18

Solve for x: 3x=36 x=12

Therefore there is only one solution: x=12 y=3


#4.

y - 7x = -14

7y - 49x = -2

Rewrite the first equation as "y =" so that it can be substituted into the second equation and solve for x.

y = 7x - 14

7(7x - 14) - 49x = -2

49x - 98 - 49x = -2

-98 = -2

Since the variables cancel and the equation is not true there is no solution.

The lines are parallel and will not intersect.  


3 0
4 years ago
Which of the following can be added to the number indicated on the number line above to sum to 0?
gulaghasi [49]
Answer is a because it is over 4 and it is a negative
3 0
3 years ago
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