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Veronika [31]
3 years ago
7

Professor Malone is grading papers in the teachers' lounge. She has already finished grading 20 assignments, and is grading 5 mo

re assignments per hour. Her teaching assistant just came in to help her. He can grade at a rate of 7 assignments every hour. At some point, they will be finished and will have graded the same number of papers. How many assignments will they each have graded?
Write a system of equations, graph them, and type the solution.
Mathematics
1 answer:
Studentka2010 [4]3 years ago
6 0

Answer:

55

Step-by-step explanation:

bedcause if you add 50 and 5 then it makes yes

You might be interested in
1 2 3 4 5 6 7 8 9 10
Maslowich

The graph that represents viable values for y = 2x is Option A.

<h3>What is a Straight Line Function ?</h3>

A straight line function is given by y = mx +c , where m is the slope and c is the y intercept.

The given equation is y = 2x

here m  = 2

x is the number of pounds of rice scooped and purchased from a bulk bin

y is the total cost of the rice

as both the data cannot be negative , Option C , D is out of choice

The Option 1 represents a straight line and it starts at the origin which is satisfied by y = 2x as y = 0 , at x = 0

ends at  point (2.5, 5) giving a slope of m =2 ,

Therefore , The graph that represents viable values for y = 2x is Option A.

To know more about Straight Line equation

brainly.com/question/959487

#SPJ1

6 0
2 years ago
What is the y intercept of a line that passes through (1,-7) and (5,-25). How do I find it.
LUCKY_DIMON [66]

Answer:

y- intercept = - 2.5

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (1, - 7) and (x₂, y₂ ) = (5, - 25)

m = \frac{-25+7}{5-1} = \frac{-18}{4} = - 4.5 , then

y = - 4.5x + c

To find c substitute either of the 2 points into the equation

Using (1, - 7), then

- 7 = - 4.5 + c ⇒ c = - 7 + 4.5 = - 2.5

y- intercept c = - 2.5

3 0
3 years ago
Is this a function please help!!!
Svetlanka [38]

Answer:

No

Step-by-step explanation:

There are two values for x=0

5 0
3 years ago
2) Phillip has 8 red balls, 3 green balls, 6 yellow balls, 3 orange balls, 13 black balls
AVprozaik [17]
Mean 6.6
Median 6
Mode 3
Range 10

not positive on the 6.6 but the rest should be good
5 0
3 years ago
PLEASE HELP ME!!! I WILL GIVE YOU 15 POINTS​
Leni [432]

Answer:

gl with that

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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