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makvit [3.9K]
3 years ago
9

Find the slope of the line passing through the points (3, 4) and (8,-3).

Mathematics
1 answer:
Verizon [17]3 years ago
5 0

Answer:

-1.4

Step-by-step explanation:

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For a special event, a restaurant charges a one-time setup fee, plus a charge for each person attending the event. The charge fo
Rashid [163]

Any linear function is of the form y=mx+b

Here m is slope and b is y intercept.

Slope is difference in y divided by different in x values .

In the question for 5 persons cost is $100 and for 10 persons cost is $162.50

So the points are (5,100) and (10,162.50)

Slope m=\frac{162.50-100}{10-5}=12.50

We can find the value of b by taking m=12.50 and (x,y)=(5,100)

Substitute these values in y=mx+b

100=12.50(5)+b

100=62.50+b

Subtracting 62.50 both sides

b=100-62.50

b=37.5

a) Put m=12.50 and b=37.50 to get the equation

y=12.50x+37.50

b)Rate of change is the m value or the slope of the function.

Initial value that is (5,100) gives us one of the points to find the rate of change.

7 0
3 years ago
Can someone please help me with this, find the unit rate cost per item which is these chips set up the equation and show the wor
user100 [1]

Answer:$3

Step-by-step explanation:

You always divide y by x. In this case 6/2 when you set up a chart. When you do this you get $3 unit rate.

1 (unit rate)             2

___________=_____

x (unit rate price)   6

Use cross products

1(6)=x(2)

6=2x

_____

2     2

x=3

4 0
2 years ago
Read 2 more answers
Please help me with this plz
NeX [460]

Answer:

A yes

B  yes

C  No

D  No

Step-by-step explanation:

If it is a function then the first number in the ordered pair is use only one time.

5 0
2 years ago
Which of the following is the graph of y = negative (x minus 2) cubed minus 5?
inysia [295]

Step-by-step explanation:

(x-2)^3 = x^3-6x^2+12x-8

-(x^3-6x^2+12x-8)=

-x^3+6x^2-12x+8

-x^3+6x^2-12x+8 -5=

y=-x^3+6x^2-12x+3

I attached the picture

5 0
2 years ago
Help i suck at math
KatRina [158]

Answer:

its 2 inches

Step-by-step explanation:

0.5 * 16= 4 * x

8 = 4x

x = 2

3 0
2 years ago
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