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pshichka [43]
3 years ago
10

Expand and simplify. Show your work. 4(x + 4y) + 3(4x + y)

Mathematics
2 answers:
d1i1m1o1n [39]3 years ago
7 0

Answer:

16x + 19y

Step-by-step explanation:

4x + 16y + 12x + 3y

Hope this helps

Alborosie3 years ago
3 0

Answer:

16x+19y

Step-by-step explanation:

Distributive Property:

4x+16y+12x+3y

Simplify Like-Terms:

16x+19y

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Solve -2(x - 4) - 7 > - 6
erica [24]
-2(x - 4) - 7 \ \textgreater \  - 6\\
-2x+8-7\ \textgreater \ -6\\
-2x +1\ \textgreater \ -6\\
-2x\ \textgreater \ -7\\
x\ \textless \ \frac{7}{2}
4 0
4 years ago
Write the equation of a line with slope of 5/6 , and x-intercept of −8 in point-slope form.
babymother [125]

Answer:  y-0 = \frac{5}{6}(x+8)

==================================================

Explanation:

Point-slope form is

y - y_1 = m(x - x_1)\\\\

where m is the slope and (x_1,y_1) is the point the line goes through.

We're given the slope of m = 5/6, and we want the line going through (-8,0) which is the x-intercept -8. The x-intercept always occurs when y = 0.

So,

y - y_1 = m(x - x_1)\\\\y - 0 = \frac{5}{6}(x - (-8))\\\\y - 0 = \frac{5}{6}(x + 8)\\\\

We can replace the y-0 with y; however, I'm going to keep that 0 so that the equation better matches the point-slope form.

7 0
3 years ago
Choose the correct words from the drop-down menu to make a true statement about the system of equations.
lyudmila [28]

Answer:C. It has only one solution

Step-by-step explanation:

The system of equations is expressed as

y = x + 2

Subtracting 2 from the left hand side and the right hand side of the equation, it becomes

x = y - 2 - - - - - - - - - 1

-x + 3y = 6

Multiplying the left hand side and the right hand side of the equation by - 1, it becomes

x - 3y = - 6

Adding 3y to the left hand side and the right hand side of the equation, it becomes

x = 3y - 6 - - - - - - - - 2

Equating equation 1 and equation 2, it becomes

y - 2 = 3y - 6

3y - y = - 2 + 6

2y = 4

y = 4/2 = 2

Substituting y = 2 into equation 1, it becomes

x = 2 - 2 = 0

The solutions are (0, 2)

6 0
3 years ago
If Rectangle A has a length of 4 and a width of 2 and Rectangle B has a length of 16 and a width of 8 what would the scale facto
stira [4]

Answer:

4

Step-by-step explanation:

To know the scale factor here, just know that 16/4 = 4, and 8/2 = 4 too, so the scale factor is 4.

Just that the respective sides need to have the same ratio.

Note, if it was from B to A, it'd be 1/4.

8 0
3 years ago
Read 2 more answers
Marisol is preparing a care package to send to her brother. The package will include a board game that weighs 4 lb and several 1
Pie
I believe it would be 83 snack packs. 
25-4=21 x 4= 84  however it has to be under 25 so then take one snack pack away for the total weight to be 24.75 lbs. 

1/4lbs x 4= 1 lbs
6 0
3 years ago
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