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gayaneshka [121]
3 years ago
6

6(7x-9)+15 simplify equation

Mathematics
2 answers:
elixir [45]3 years ago
7 0
Use distributed property first
6*7x= 42x
6*9= 54
42x-54

add it to the equation

42x-54+15

combine like terms

-54+15 = -39

42x-39 is your answer

devlian [24]3 years ago
6 0

Answer:

42x-39

Step-by-step explanation:

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0.3(4-x)=x-1.4 how do you solve this problem?
tresset_1 [31]

Answer:

x = 2.

Step-by-step explanation:

Solve for x:

0.3 (4 - x) = x - 1.4

Expand out terms of the left hand side:

1.2 - 0.3 x = x - 1.4

Subtract x from both sides:

1.2 + (-0.3 x - x) = (x - x) - 1.4

-0.3 x - x = -1.3 x:

-1.3 x + 1.2 = (x - x) - 1.4

x - x = 0:

1.2 - 1.3 x = -1.4

Subtract 1.2` from both sides:

(1.2 - 1.2) - 1.3 x = -1.2 - 1.4

1.2 - 1.2 = 0:

-1.3 x = -1.2 - 1.4

-1.2 - 1.4 = -2.6:

-1.3 x = -2.6

Divide both sides of -1.3 x = -2.6 by -1.3:

(-1.3 x)/(-1.3) = (-2.6)/(-1.3)

(-1.3)/(-1.3) = 1:

x = (-2.6)/(-1.3)

(-2.6)/(-1.3) = 2.:

Answer:  x = 2.

4 0
3 years ago
You have a box of chocolates that contains 59 pieces of which 37 are solid chocolate, 15 are filled with cashews, and 7 are fill
professor190 [17]
The probability of selecting a solid chocolate piece followed by two cherry-filled chocolates, would be 27.387 or as rounded would be 27.4
6 0
3 years ago
What does this graph mean?
a_sh-v [17]

Answer:

(150, 100) is the solution for the system of equations

Step-by-step explanation:

Without more context, I cannot give you an exact answer, but this graph shows the solution to a system of equations. When y is 100, x is 150.

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly.

- Heather

5 0
2 years ago
Graph y equals 1/2 x - 3​
Elis [28]

Answer:

Resulting plot in the image attached

Step-by-step explanation:

Start by making a table of (x,y) pairs that satisfy this equation. Notice that two pairs would be enough, but it is always safer to obtain at least three to see them actually "aligned".

We are trying to find values for y when x= 0, 2, and 4 to make our calculations simple:

y=\frac{1}{2} x-3

When x = 0 then: y=\frac{1}{2} (0)-3=-3 So we plot the value (0,-3) on the x-y plane.

When x = 2 then: y=\frac{1}{2} (2)-3=1-3=-2 So we plot the value (2,-2) on the x-y plane.

When x = 0 then: y=\frac{1}{2} (4)-3=2-3=-1 So we plot the value (4,-1) on the x-y plane.

Please see the points and the resulting line in the image attached

5 0
3 years ago
Which values are solutions to the inequality –3x – 4 < 2?
Roman55 [17]

Answer: x>-2

Step-by-step explanation:

To find the values of the inequality, you treat this like it would be any other equation.

-3x

x>-2

4 0
3 years ago
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