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VikaD [51]
3 years ago
10

Which expression is equivalent to 8(2a)? 8(2 + a) 8 + 2a 8(a + a) a + 10

Mathematics
2 answers:
Nadusha1986 [10]3 years ago
4 0

Answer:

8(2+a) is the answer that you need there really is not much thought to it

Inga [223]3 years ago
4 0
The first one is correct!
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Write an equation of the graph:
Verizon [17]

Answer:

y=\left|x+1\right|\\y =\left|x-1\right|

You can plug it into a graphing website or calculator to double check

7 0
3 years ago
Solve the following equation:<br> 1/3(y - 2) -5/6 (y + 1) =3/ 4(0 - 3) - 2
Evgesh-ka [11]

Answer:

11/5

Step-by-step explanation:

If you need help with more problems like this you can use m a t h w a y. (remove the spaces)  :)

8 0
3 years ago
Ratio and Proportion problem<br>Please help meh​
Anarel [89]

Answer:

hope its helpful to uh.......

4 0
3 years ago
All about simulitious equations​
Korolek [52]

Answer:

On occasions you will come across two or more unknown quantities, and two or more equations

relating them. These are called simultaneous equations and when asked to solve them you

must find values of the unknowns which satisfy all the given equations at the same time.

Step-by-step explanation:

1. The solution of a pair of simultaneous equations

The solution of the pair of simultaneous equations

3x + 2y = 36, and 5x + 4y = 64

is x = 8 and y = 6. This is easily verified by substituting these values into the left-hand sides

to obtain the values on the right. So x = 8, y = 6 satisfy the simultaneous equations.

2. Solving a pair of simultaneous equations

There are many ways of solving simultaneous equations. Perhaps the simplest way is elimination. This is a process which involves removing or eliminating one of the unknowns to leave a

single equation which involves the other unknown. The method is best illustrated by example.

Example

Solve the simultaneous equations 3x + 2y = 36 (1)

5x + 4y = 64 (2) .

Solution

Notice that if we multiply both sides of the first equation by 2 we obtain an equivalent equation

6x + 4y = 72 (3)

Now, if equation (2) is subtracted from equation (3) the terms involving y will be eliminated:

6x + 4y = 72 − (3)

5x + 4y = 64 (2)

x + 0y = 8

5 0
3 years ago
Fifteen 7th graders were asked how many hours they spend doing homework each week and how many hours they spend watching televis
timama [110]

Answer:

A.

  • 18 > 14, true

B.

  • 12 - 16 = -4, true

C.

<u>Mean:</u>

  • Homework = (4 + 6*2+10*3+12*2+14*4+16*2+18)/15 = 11.73
  • Television = (0 + 10*3+12*1+16*3+18*4+20*3)/15 = 14.8

<u>The difference:</u>

  • 14.8 - 11.73 > 1, NOT true

D.

  • True
3 0
3 years ago
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