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lianna [129]
1 year ago
6

Select the expressions that are equivalent to 12x - 6.

Mathematics
2 answers:
krek1111 [17]1 year ago
6 0

Answer:

B and E

Step-by-step explanation:

A.

-6(2x - 1)
Distribute the -6.

-12x + 6

B.

6(2x - 1)
Distribute the 6.

12x - 6

C.

6x(2 - 1)

Subtract inside parenthesis.

6x(1)
Multiply.

6x

D.

-6x(2x - 1)
Distribute the -6x.

-12x² + 6x

E.

-6(-2x + 1)
Distribute the -6.

12x - 6

F.

6x(-2x + 1)

Distribute the 6x.

-12x² + 6x

aleksandr82 [10.1K]1 year ago
5 0
The answers are B and E
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Answer:

Second option: One solution. Independent.

Step-by-step explanation:

The equation of the line in Slope-Intercept form is:

y=mx+b

Where "m" is the slope and "b" is the y-intercept.

Since the equations of the system have this form, we know that they are lines.

We can identify that the y-intercept of the first equation y=-5x+1 is:

b=1

Now we need to find the x-intercept. Substitute y=0 and solve for "x":

0=-5x+1\\\\5x=1\\\\x=\frac{1}{5}=0.2

Then, we can graph the first line which passess through the points (0,1) and (0.2,0). Observe the graph attached.

The y-intercept of the second equation y=-2x-2 is:

b=-2

Now we need to find the x-intercept. Substitute y=0 and solve for "x":

0=-2x-2\\\\2x=-2\\\\x=\frac{-2}{2}=-1

Then, we can graph the second line, which passess through the points (0,-2) and (-1,0).

You can observe in the graph that the lines intersect at the point (1,-4). Therefore, that point is the solution of the system of equations.

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4 0
2 years ago
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natta225 [31]

Answer: it would be (2, -4) because if you flip it it will still be the same just at a different angle.

Step-by-step explanation:

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What is the difference 1 1/2 - 3/4 ?
kaheart [24]

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19/4

Step-by-step explanation:

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Given that X ~ N(120, 35). We survey samples of 25 and are interested in the distribution of X-bar. Find the z-score associated
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Answer:

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Step-by-step explanation:

z-score are calculated as

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We are given that mean=120 and standard deviation=S.D=35 as X~N(120,35).

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z-score=-2.8571.

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