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earnstyle [38]
2 years ago
8

Enter the x-coordinate of the solution to this system of equations

Mathematics
1 answer:
Kitty [74]2 years ago
5 0

Answer:

equation 2into minus 3 into equation 1

8x+ 3y= -28

-3x-3y=18

----------------

5x=10

x =2

put value of y in equation 2

8 into 2+3y=-28

16+3y= -28

3y= -28+16

3y= -12

y= -4

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NemiM [27]
The answer to your question would be 150 (c)
6 0
3 years ago
What is it called when the slope of a line is the same the entire length of the line ?
TEA [102]

Answer:

Slope

Step-by-step explanation:

The point of slope is that it is the same the entire length of the line.

4 0
3 years ago
1. A number minus 6 is – 22.<br> Find the number,
Savatey [412]

Answer:

-16

Step-by-step explanation:

X-6= -22

X = -22+6

X = - 16

6 0
2 years ago
Read 2 more answers
What is the inverse of the function f(x) =<br> 1/9x+ 2?
hichkok12 [17]

Answer:

f^{-1}(x) = 9x -18.

Step-by-step explanation:

y=f(x)=\dfrac 19 x +2\\\\\text{Replace x with y and then solve for y,}\\\\~~~~~~~x = \dfrac 19 y+2\\\\\implies 9x =y + 18~~~~~~~~~~~~~~~;[\text{Multiply both sides by 9}]\\ \\\implies y = 9x -18\\\\\implies f^{-1}(x) = 9x -18\\\\\text{Hence, the inverse of the given function is}~  f^{-1}(x) = 9x -18.

4 0
2 years ago
The units digit of a two-digit exceeds twice the tens digit by 3. The sum of the digits is 6. Find the number
tekilochka [14]

Answer:

51

Step-by-step explanation:

y is the ten digit

and x the ones digit

y+x=6 -> x=6-y subtracted each side by y

2y+3=x

2y+3=6-y they both equal x so the equal each other

add y to both side to get rid of the y

minus 3 form both side to get rid of the 3

3y=3

y=1

plug it in

2(1)+3=x

5=x

51

8 0
2 years ago
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