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OLga [1]
2 years ago
8

It takes Mr. Martin 12 minutes to drive his bus route without stopping to pick up any passengers. For each passenger stop, he es

timates that 30 seconds is added to his travel time. On Tuesday, Mr. Martin spends 14 minutes driving his route.Which equation can be used to determine the number of passenger stops, p, Mr. Martin had on Tuesday?
Mathematics
1 answer:
vlada-n [284]2 years ago
5 0

It is given that Mr Martin takes 12 minutes to drive his bus route without stopping on any of the stops.

On Tuesday, it took him 14 minutes when he stooped to take the passengers. He estimated that it takes 30 sec for each stop.

60 second = 1 minute.

30 second = 0.5 minutes.

Let us assume, there were x stops.

Since it takes him 12 minutes without stopping, 12 minutes here acts as a fixed time.

Total time is given by the equation

y=0.5x+12 .... (1)

where t is the total time and x is the number of passengers.

To find the number of passengers, solve equation (1) for x ,

x=\frac{y-12}{0.5} .... (2)

Plug y= 14 into equation number  (2) gives 4 stops.

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Which graph represents the polynomial function g(x)=x3+x2−17x+15?
IrinaVladis [17]

The graph which represents the polynomial function g(x) is:

the 2nd graph in the second line

Step-by-step explanation:

g(x) = x³ + x² - 17x + 15 is a cubic function because the greatest power

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All graphs represent cubic functions

So to find which graph which represents g(x) we will do these steps

1. Put x = 0 to find the y-intercept

2. If there are more than one graph have the same y-intercept we will

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3. If you still don't know which graph find the x-intercepts

Now let us find the graph which represents g(x)

∵ g(x) = x³ + x² - 17x + 15

∵ x = 0

∴ g(0) = (0)³ + (0)² - 17(0) + 15

∴ g(0) = 15

∵ g(0) is the y-intercept

∴ The graph intersect the y-axis at point (0 , 15)

There is only one graph intersects y-axis at point (0 , 15)

The attached figure is the graph of g(x)

The graph which represents the polynomial function g(x) is:

the 2nd graph in the second line

Learn more:

you can learn more about functions in brainly.com/question/10541435

brainly.com/question/10879401

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8 0
3 years ago
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2x-7=13 what is does x stand for?
andriy [413]

Answer:

x=10

Step-by-step explanation:

2x-7=13

13+7=20

20/2=10

lets see if it works:

2(10)-7-13

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it works! which means is 10

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7 0
3 years ago
Find the product of 3 and the linear equation, and solve for both equations for y.
krok68 [10]

Answer:

Part 1) The product of 3 and 2y-4x=8 is 6y-12x=24

Part 2) The original equation in slope intercept form is y=2x+4

Part 3) The new equation in slope intercept form is y=2x+4

Step-by-step explanation:

we have

2y-4x=8

step 1

Find out the product of 3 and 2y-4x=8

Multiply both sides by 3

3(2y-4x)=3(8)

Apply distributive property both sides

6y-12x=24

step 2

Find out the original equation in slope intercept form

The equation of the line in slope intercept form is

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Solve for y

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Adds 4x both sides

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Divide by 2 both sides

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Simplify

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step 3

Find out the new equation in slope intercept form

The equation of the line in slope intercept form is

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That means ----> Isolate the variable y

Adds 12x both sides

6y=12x+24

Divide by 6 both sides

y=(12x+24)/6

Simplify

y=2x+4

8 0
3 years ago
Help figuring out what to do on here
Andreyy89
You got to use the formula provided to solve the problem! Have confidence! you can do it!
7 0
3 years ago
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