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DochEvi [55]
3 years ago
14

The following graph shows the relationship established by a car dealership between the sale price of a particular car model and

the age of the car. Y=?

Mathematics
2 answers:
AlekseyPX3 years ago
6 0

Answer:

y=-2,500x+19,000

Step-by-step explanation:

To write the equation, use y=mx+b. Look at the graph and identify m and b. b is the y-intercept and where the line crosses on the y-axis. Here it is 19,000.

To find the slope m, count the units from one point to another on the line. Identify the points on the line that go through grid line intersections. Count up/down then count right to form the ratio.

From point (0,19,000) to (2, 14,000). These points are -5,000 vertically and 2 horizontally. It forms the ratio -5,000/2 = -2,500. This is m.

So y=-2,500x+19,000

Dafna1 [17]3 years ago
6 0

Answer: y=2,500x+19,000

Step-by-step explanation:its right on plato

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7x + 2y=24<br> 8x + 2y=30
Bumek [7]

Answer:

x=6 y=-9

Step-by-step explanation:

  • Layer the equations on each other as you would in a subtraction problem:

               8x + 2y=30

               7x + 2y=24  

  • Subtract the equation just like you would normally. This should leave 1x=6 or x=6.
  • Now that you have your x value, plug it in as x for one of the equations. For the 2nd equation, this leaves:

               42+2y=24 then

               2y=-18 then

               y=-9

  • Double check your y value by plugging x=6 into the first equation. This should also leave y=-9.

3 0
3 years ago
FIND THE area of the shaded figure
bezimeni [28]

Answer:

12

3 x 4

if its one unit then you just multiply the sides in this case 3 x 4

3 0
3 years ago
Read 2 more answers
Round 9991 to the nearest thousands
stiv31 [10]

Answer:

10,000

Step-by-step explanation:

In order to round numbers we look at the number to the right of whatever we are rounding to.  So in this case we are rounding to the nearest thousand so we look at the number to the right of the thousands which is the hundred in this case.  If that number is a 1-4 we round down and if that number is a 5-9 we round up.  In this case the number to the right is a 9 so we will round up.  The nearest thousand above 9991 is 10,000 so that is what we will round to

6 0
3 years ago
Round to the place valué of the under lined digit 641,267 the 4 Is under lined
nikitadnepr [17]

answer:

640,000

step-by-step explanation:

to find the answer, we need to determine whether 41,267 is closer to 40,000 or 50,000.

looking at the numberline, we can conclude that the placement of 641,267 is closer to 640,000, not 650,000.

therefore, the answer is 640,000. (see image attached)

hope this helps :)  

<em>-audrey <3</em>

7 0
3 years ago
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blagie [28]
What is the question?
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