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yawa3891 [41]
3 years ago
10

Solve -17 = x/-3 for x.

Mathematics
2 answers:
Bogdan [553]3 years ago
5 0
The answer is 51! multiply by -3
MA_775_DIABLO [31]3 years ago
4 0

Answer:

x = 51

Step-by-step explanation:

-17 = x/-3

Multiply each side by -3

-3 * -17 = x / -3 * -3

51 = x

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What is the slope of the line?
Leya [2.2K]

Answer:

The slope of the line is -3

Step-by-step explanation:

I chose the points (-2,3) and (0,-3)

The slope formula: m=\frac{y_2-y_1}{x_2-x_1}

\frac{-3-3}{0-(-2)} ==> \frac{-3-3}{0+2} ==> \frac{-6}{2} = -3

Our final answer is -3.

Hope that helps!

5 0
3 years ago
The equation of line QR is x + 2y = 2. What is the equation of a line perpendicular to line QR in slope-intercept form that cont
Elza [17]

Answer:

y = 2x-4

Step-by-step explanation:

x + 2y = 2

The slope intercept form is

y = mx+b where m is the slope and b is the y intercept

First find the slope of the line

2y = -x+2

Divide by 2

y = -1/2x +1

The slope of this line is -1/2

We want a line that is perpendicular, which is the negative reciprocal

-1 /(-1/2) = 2

The slope intercept form is

y = mx+b where m is the slope and b is the y intercept

y = 2x+b

Substitute the point into the line

6 = 2(5)+b

6 = 10+b

6-10 =b

-4=b

y = 2x-4

7 0
3 years ago
Joel has pans of brownies. The length of each brownie pan is 7 cm and the width is 9 cm. Find the area of the brownie pan.
blagie [28]

Answer:

63cm^2

Step-by-step explanation:

Area = length x width

Given

Length = 7cm and

Width = 9cm

Area = 7 x 9

= 63cm^2

8 0
3 years ago
what is the solution to the system of equations: x- - y-z = 2, - x - 3 y - 2 z + 4, -x - 2 z = 10
ladessa [460]

Given equations are x- - y-z = 2, - x - 3 y - 2 z + 4, -x - 2 z = 10 .

It seems you have missed to write = in the 2nd equation so i have fixed the sign and going to solve the following system of equations:

x-y-z=2 ...(i)

-x-3y-2z=4 ...(ii)

-x-2z=10 ...(iii)


solve (i) for x

x=2+y+z ...(iv)

plug (iv) into (ii)

-x-3y-2z=4

-(2+y+z)-3y-2z=4

-2-y-z-3y-2z=4

-2-4y-3z=4

-4y-3z=6...(v)


plug (iv) into (iii)

-x-2z=10

-(2+y+z)-2z=10

-2-y-z-2z=10

-2-y-3z=10

-y=12+3z

y=-12-3z...(vi)


plug (vi) into (v)

-4y-3z=6

-4(-12-3z)-3z=6

48+12z-3z=6

48+9z=6

9z=-42

z=-14/3


Now plug value of z into (vi)

y=-12-3z=-12-3(-14/3)=-12+14=2

y=2


plug value of y and z into (iv)

x=2+y+z=2+2-14/3=-2/3


Hence final answer is x=-2/3, y=2, z=-14/3

3 0
3 years ago
Which TWO representations show the same function<br><br>(picture included)​
AnnyKZ [126]
The graph and the equation show the same
5 0
3 years ago
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