2 years ago

Find the slope of a line containing 4,-6 and 6,-4

Mathematics

1 answer:

olga nikolaevna [1]2 years ago

7 0

The slope of the problem is (1,1)

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Find an ordered pair (x,y) that is a solution to the equation. 3x-y=8

allochka39001 [22]

Answer:

(2,-2)

Step-by-step explanation:

$3x-y =3(2) -(-2)= 6 +2 = 8$

7 0

2 years ago

2. Define any variables and tell the slope and y-intercept of the situation. Then, write an equation to represent

Otrada [13]

Answer:

x=number of hours

c(x)= 25x+75

y-intercept= (0, 75)

Equation= y=25x+75

Slope= 25

Step-by-step explanation:

75 would be the y intercept(constant) because that's the initial charge for a call.

25 would be the coefficient for x because the hour you spend on the call varies.

The slope is how steep the line is, in this case it is 25.

x is the number of hours because that is the time that varies.

3 0

2 years ago

write and solve an equation to show thw average number of calendars her 3rd period class sold peer week during the four week cha

kari74 [83]

If they sold 89 calendars over 4 weeks, the 'equation' would look like (x = average calendars sold over 4 weeks):
$x = \frac{89}{4}$

If you solve it, you get:
$22 \frac{1}{4}$

Which is equal to 22.25. Hope this helps!

5 0

2 years ago

25 POINTS SOMEONE HELP ME OUT WITH THIS PLEASEEEE BRAINLIEST ANSWER

zloy xaker [14]

1. $y=7x-1$

2. $y=3x+b$
 Sub (1, -5) into equation to find 'b'
$-5=3(1)+b$
$-8=b$

$y=3x-8$

3. $x=-7$

4. $y=4$

3 0

2 years ago

How do I start off these problems?

Marina CMI [18]

First of all you have to make them equal to each other. What I mean is the following
3x+20=2x+40
Then you should just solve for x

8 0

2 years ago