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bogdanovich [222]
3 years ago
6

Which expression is equivalent to: -3a-7a+4b

Mathematics
2 answers:
pshichka [43]3 years ago
8 0

Answer:

-10a+4b

hope this answer helps you.....

nata0808 [166]3 years ago
5 0
Answer and working out. Hope it helps

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padilas [110]

Answer:

Value of a is 26 and vaule of b is 12

Step-by-step explanation: May i get brainlesist

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3 years ago
What is the slope of the line that contains these points?
LiRa [457]

Answer:

8

Step-by-step explanation:

-1+1=0 and

10+8=18 so

8/1=8

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3 years ago
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In two or more complete sentences, explain how to solve the cube root equation, ^3√x+1 -2=0
IrinaVladis [17]

Explanation:

The first step is to figure out what the equation is. When unconventional math symbols are used, and when there are no grouping symbols identifying operands, that can be the most difficult step. Here, we think the equation is supposed to be ...

  \sqrt[3]{x+1}-2=0

It usually works well in radical equations to isolate the radical. Here that would mean adding 2 to both sides of the equation, to undo the subtraction of 2.

  \sqrt[3]{x+1}=2

Now, it is convenient to raise both sides of the equation to the 3rd power.

  x+1=2^3=8

Finally, we can isolate the variable by undoing the addition of 1. We accomplish that by adding -1 to both sides of the equation.

  x=7

The equation is solved. The solution is x = 7.

5 0
3 years ago
I need help please .
Monica [59]

9514 1404 393

Answer:

  A, E

Step-by-step explanation:

Solving for y, the coefficient of x tells us the slope of the given line.

  y = (-x +50)/5

  y = (-1/5)x +10 . . . . . the given line; has a slope of -1/5

The perpendicular line will have a slope that is the opposite reciprocal of this value:

  m = -1/(-1/5) = +5

That is, you want equations for lines that have a slope of +5.

__

As above, the slope is the x-coefficient when the equation is in y = ( ) form. This fact lets us identify A as one good choice, and reject B–D as incorrect choices.

When we divide the equation of E by 5 to put it into the desired form, we have ...

  y = 5x +2.6 . . . has a slope of 5

The equations of interest are ...

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5 0
3 years ago
the circumference of a new P205/70R16 tires is 85.66in. if the old factory installed tires had a circumfrense of 72.13 in find t
user100 [1]

Answer:

wait one second

Step-by-step explanation:

i am working on it

3 0
4 years ago
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