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Klio2033 [76]
2 years ago
6

Twelve times the quantity of a

Mathematics
1 answer:
Lunna [17]2 years ago
4 0

Answer: x = 13.4

Step-by-step explanation:

We translate 'English' to 'math':

'decreased by' is subtraction

'is' means '='

12(x - 10) = 2x + 14

12x - 120 = 2x + 14

subtract 2x from each side

10x - 120 = 14

Add 120 to each side

     10x = 134

Divide by 10 , to isolate the 'x'

x = 13.4

If we substitute 13.4 for 'x' back in the first equation, we get 40.8 for each side, so the equation balances.

I hope this helps.

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Write an expresstion that is equivalent to 1/3x+3/4+2/3x-1/4-2/3x
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Answer:

1/3x+1/2

Step-by-step explanation:

4 0
2 years ago
Given: Quadrilateral ABCD is a parallelogram with diagonals AC and BD intersecting at E. Prove: Triangle AED is congruent to Tri
daser333 [38]

Answer:

Step-by-step explanation:

In ΔAED , ΔCEB

AD = BC    { opposite sides of parallelogram are equal}

AE = CE    { diagonals of parallelogram bisects each other}

BE = DE    { diagonals of parallelogram bisects each other}

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5 0
3 years ago
Study the graph,
shusha [124]
Answer is C. Reflection in the line y=x
7 0
3 years ago
Please help me!!!!!!!!!
kiruha [24]

Answer:

Step-by-step explanation:

Using the equation of line

y - y_1 = m(x - x_1)

y = mx + C

First first the slope of the equation

y = 9x - 4

Note: if two lines are perpendicular, their slope will be negative reciprocal

Slope = 9, but because it is perpendicular

m = -1/9

Using the equation

y - y_1 = m(x - x_1)

With the point (-9,-17)

x_1 = -9

y_1 = -17

y - (-17) = -1/9(x - (-9)

y + 17 = -1/9(x + 9)

y = -1/9(x + 9) - 17

Open the bracket.

y = (-x -9)/9 - 17

Lcm is 9

y = -x -9 - 153 / 9

y = -x - 162 / 9

Let's separate

y = -x/9 - 162/9

y = -x/9 - 18

y = -1/9x - 18

Therefore, the equation of the line is y = -1/9x - 18

5 0
3 years ago
Rearrange 2x = y/w to make w the subject​
frutty [35]
Yes i think that is the answer good boj
3 0
3 years ago
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