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IceJOKER [234]
2 years ago
13

2x + y when x = -4, y = 12

Mathematics
1 answer:
ankoles [38]2 years ago
6 0

Answer: 4

Step-by-step explanation:

We can plug in the x and y values into the expression.

Then, we get 2*(-4) + 12.

Because of the order of operations, we calculate 2* -4 first to get -8 +12.

Lastly, we add -8 and 12 to get 4.

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Solve the system of equations:
PolarNik [594]

Answer:

D.(-1,-5) and (5,7)

Step-by-step explanation:

I used a graphing tool to graph the two equations together. When graphed, the equations intercept (5,7) and (-1,-5). Therefore, they are the solutions to the system.

Option D should be the correct answer.

4 0
3 years ago
20 points!! Please help
Bas_tet [7]

Answer:

If the statement is true, lines a and b are parallel

Step-by-step explanation:

This is due to lines intersecting with line m at identical angles.

8 0
3 years ago
Can u guys pls help me on this question and pls explain how u got the answer
Lady_Fox [76]

Answer:

55.75

Step-by-step explanation:

find the area of 1 side using the base and height and divide that answer by 2

5x6=30     30 divided by 2=15

all sides are equal so each side is 15

the base you do the same thing.

base is 5, height is 4.3

4.3 x 5= 21.5

divide it by 2 10.75

side 1=15

side 2= 15

side 3=15

base 1= 10.75

add all together

55.75

8 0
3 years ago
Ok some one ask me what 20 + 20 - 20 is said its 20 e didnt belive me i know thats the right anser
postnew [5]

Answer:

it is because 20 + 20 is 40 and then 40 - 20 = 20

6 0
3 years ago
It is a Saturday morning and Jeremy has discovered he has a leak coming from the water heater in his attic. Since plumbers charg
Jet001 [13]
The answer is
A
"For every half an hour there is 1/5 of the bucket is filled"    Hope I helped                                                                                 
B: Not sure not very good at equations :(                                                      
C: Well there is Half an hour so if you multiply that by 5 then its. 2 1/2 hours :)
Hope I helped








4 0
3 years ago
Read 2 more answers
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