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lions [1.4K]
3 years ago
12

When solving the following system by elimination, which variable would be eliminated after adding the 2 equations together?

Mathematics
1 answer:
drek231 [11]3 years ago
8 0

Answer:

B. x

Step-by-step explanation:

-3x+8y=-6

3x-2y=-12

if we add these

-3x+3x+8y-2y=-6-12

6y=-12      so x will be eliminated

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3. Write an equation of a line that is perpendicular to the line x – 2y = 8.
xenn [34]

Answer:

y=0.5x+40

Step-by-step explanation:

Copy the  equation.

x-2y=8

Subtract x from both sides.

-2y=-x-8

Divide both sides by -2.

y=0.5x+4

Now we know the slope is 0.5.

Any line with a slope of 0.5 will be perpendiculr to the original line.

One that you can use is y=0.5x+40.

7 0
3 years ago
Which set(s) of points show x in DIRECT PROPORTION to y? A) {E, C, B} only B) {G, C, A} only C) {F, E, D} and {E, C, B} only D)
polet [3.4K]

Answer:{F, G, H} and {G, C, A} only

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Without overlapping, how many college basketball courts 94ft x 50ft would fit into a football field 360ft x 160ft?
Volgvan
Area of basketball court: 94 x 50 = 4700 square feet

area of football field: 360 x 160 = 57600 square feet

57600 / 4700 = 12.26

so 12 basketball courts 
7 0
3 years ago
Use the distributive property to write the next step in simplifying the equation. Use the asterisk symbol (*) to represent multi
Maksim231197 [3]

Given:

The equation is:

x(4+5)=54

To find:

The next step in simplifying the equation by using distributive property.

Solution:

Distributive property: According to this property if a, b and c are three real numbers, then

a(b+c)=ab+ac

We have,

x(4+5)=54

Using the distributive property, we get

x(4)+x(5)=54

It can be written as:

4x+5x=54

Therefore, the next step of the simplification is 4x+5x=54.

5 0
3 years ago
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Anarel [89]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
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