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PtichkaEL [24]
3 years ago
13

The graph below shows data that was collected from a person's commute to work over the course of one month. The equation of the

trend line is y=-6/5x + 86
Part A: What is the slope of the trend line below?

Part B: What does it represent?

Mathematics
2 answers:
RUDIKE [14]3 years ago
6 0

Answer:

A. -1.2 or -6/5

B. the faster the driver went the less time it took to get to work

Step-by-step explanation:

Vilka [71]3 years ago
5 0
Hey either-6/5 or -1/3
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from the edge of a 486-foot cliff, peyton shot an arrow over the ocean with an initial upward velocity of 90-feet per second
anygoal [31]

Answer:

9 seconds

Step-by-step explanation:

The complete question is

The altitude of an object, d, can be modeled using the equation below:

d=-16t^2 +vt+h

from the edge of a 486 foot cliff, Peyton shot an arrow over the ocean with an initial upward velocity of 90 feet per second. In how many seconds will the arrow reach the water below?

Let

d ----> the altitude of an object in feet

t ---> the time in seconds

v ---> initial velocity in ft per second

h ---> initial height of an object in feet

we have

d=-16t^2 +vt+h

we  know that

When the arrow reach the water the value of d is equal to zero

we have

v=90\ ft/sec

h=486\ ft

d=0\ ft

substitute the values and solve for t

0=-16t^2 +(90)t+486

-16t^2+90t+486=0

Multiply by -1 both sides

16t^2-90t-486=0

The formula to solve a quadratic equation of the form ax^{2} +bx+c=0 is equal to

x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}

in this problem we have

a=16\\b=-90\\c=-486

substitute in the formula

t=\frac{90(+/-)\sqrt{-90^{2}-4(16)(-486)}}{2(16)}

t=\frac{90(+/-)\sqrt{39,204}}{32}

t=\frac{90(+/-)198}{32}

t_1=\frac{90(+)198}{32}=9\ sec

t_2=\frac{90(-)198}{32}=-3.375\ sec

the solution is t=9 sec

see the attached figure to better understand the problem

4 0
3 years ago
6 children shared 26 sweets. Each got the same number. How many sweets were left over?
Simora [160]
12? because they would all get 4 evenly and there would be 2 left over
8 0
2 years ago
Sam complete 3 math problems in 8 minutes. How long will it take to do 15 problems?
pochemuha

Answer:

40 minutes

Step-by-step explanation:

 Math Problems                   3              15

 ----------------------                  -----     =    ------

       Minutes                          8              x

                                             3x = 15 * 8

                                               x = 15 * 8 / 3

                                               x = 120 / 3

                                               x = 40

                                                  40 Minutes

8 0
3 years ago
Least common multiple of 6,5,3
rjkz [21]

Answer:

30

Step-by-step explanation:

8 0
3 years ago
I need the answer fast pls
Naddik [55]

Answer:

A: The interquartile range is 8.

Step-by-step explanation:

Hopefully this helps!

8 0
3 years ago
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