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soldier1979 [14.2K]
3 years ago
11

Coefficient of 3+4x-7

Mathematics
1 answer:
Jlenok [28]3 years ago
7 0
-4(1-x) I think that’s the correct answer
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Which equation is equivalent to 3[x+3(4x-5)]=15x-24
Klio2033 [76]
3[x+3(4x-5)]=15x-24; x+12x-15=5x-8 (divide both sides by 3); 8x=7 (move all the x's to one side), x=7/8
7 0
3 years ago
Read 2 more answers
at a local restaurant the health inspector visits every 7 days and the fire inspector every 12 days make a table for the next 4
luda_lava [24]

Answer:

Health inspector:7,14,21,28

Fire inspector:12,24,36,48

They will both be there on day 84

3 0
3 years ago
What is the number of faces (planes) for the following cubes?
Llana [10]
Cube has 6 faces/planes :)
4 0
3 years ago
What is the slope of the line that goes through (2, 5) and (-6, -2) ?
alexira [117]
Answer:
slope = 7/8

Explanation:
Slope of the line can be calculated using the following equation:
slope = \frac{y2 - y1}{x2 - x1}

The two points given are:
(2,5) representing (x1 , y1)
(-6,-2) representing (x2 , y2)

Substitute with the points in the above equation to get the slope as follows:
slope = \frac{-2 - 5}{-6 - 2} = 7/8

Hope this helps :)

7 0
3 years ago
7x + 2y = 11
enyata [817]

Answer:

x = 1, y = 2

Step-by-step explanation:

7x + 2y = 11 -----Equation 1

Equation 1 × 7:

49x + 14y = 77 -----Equation 2

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

4x - 7y = -10 -----Equation 3

Equation 3 × 2:

8x - 14y = -20 -----Equation 4

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

Equations 3 + 4:

49x + 14y + 8x - 14y = 77-20

49x + 8x = 77-20

57x = 57

x = 57 ÷ 57

x = 1

Substitute x = 1 into Equation 1.

7x + 2y = 11

7(1) + 2y = 11

7 + 2y = 11

2y = 11-7

2y = 4

y = 4 ÷ 2

y = 2

6 0
3 years ago
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