1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Sati [7]
3 years ago
5

Bryan is observing the velocity of a cyclist at different times. After four hours, the velocity of the cyclist is 15 km/h. After

seven hours, the velocity of the cyclist is 12 km/h.
Part A: Write an equation in two variables in the standard form that can be used to describe the velocity of the cyclist at different times. Show your work and define the variables used. (5 points)

Part B: How can you graph the equations obtained in Part A for the first 12 hours? (5 points)

PLEASE HELP!! its due tonight!
Mathematics
1 answer:
Gnoma [55]3 years ago
5 0
The best way to solve this problem is to graph all variables, velocity being the dependent variable (y-axis) and time being the independent variable (x-axis) . Since we are given two points for the two variables, we use the point-slope formula to get the slope which happens to be -1. We then use the standard form y = mx + b and substitute m with -1. Next we want to find b, we will again use the point slope formula now knowing m to be -1. we chose point 0 for time(x-axis) and at zero, we obtain a value of your b which happens to be +19. A line graph would better visualize my point. Cheers!
 
You might be interested in
How many solutions does this system of equations have? x+y=10 2x+2y=20
Vinil7 [7]

Answer:

Infinitely many solutions

Step-by-step explanation:

ive learned thiss

6 0
3 years ago
Read 2 more answers
Tamara has money in a savings account
olga2289 [7]

Answer:

  • 1.03a

Step-by-step explanation:

  • Amount in account = a
  • Interest rate = 3% per month

<u>Amount after a month:</u>

1. ........................

  • a*(1 + 0.03) =
  • 1.03a

2. ........................

  • a + 0.03a =
  • 1.03a
4 0
3 years ago
What two numbers add to get 4 and multiply to get -4
SIZIF [17.4K]
-2 and -2 Two negatives added equal a positive.............. . . .. . . . . . . 
6 0
3 years ago
rya uses 4 gallons of gas to drive 120 miles on the highway if she gets that same gas mileage how many miles can she drive on 1
hoa [83]
Divide 120 by 4 and your answer will be: Rya can drive 30 miles on 1 gallons of gas.
5 0
3 years ago
Read 2 more answers
-8= 3-5(x+6) solving algebraicaily​
SOVA2 [1]

Let's solve your equation step by step

-8=3-5(x+6)

Step 1: simplify both sides of the equation

-8=3-5(x+6)

-8=3+(-5)(x)+(-5(6) (distribute)

-8=3+-5x+-30

-8=(-5x)+(3+-30) (combine like terms)

-8=-5x+-27

-8=-5x-27

Step 2: flip the equation

-5x-27=-8

Step 3: add 27 to both sides

-5x-27+27=-8+27

-5x=19

Step 4: Divide both sides by -5

-5x/-5 = 19/-5

Answer : x= -19/5

4 0
3 years ago
Read 2 more answers
Other questions:
  • Write an equation of the line in point slope form: A line that passes through (4,-5) with a slope of -6 (Show Work)
    15·1 answer
  • Eric is hanging a rectangle mirror that has a diagonal of 47 inches with an angle of depression of 60°. How many square inches i
    15·2 answers
  • What is m-a = n+p, for a
    12·2 answers
  • How do i graph -7x-2y=-21???
    10·2 answers
  • In the rhombus m 1=18x m 2=x+y and m 3=30z. Find the value of x+y+z
    13·1 answer
  • Write the equation of the line in standard form passing through (2,-4) with a slope of -7​
    6·1 answer
  • What are the slopes for:<br>(2,4) and (2,-3)?​
    12·1 answer
  • Solve |x–1| = 6x + 12
    13·1 answer
  • Help will mark brainless if ur right ​
    9·1 answer
  • Two students share 3/4 of a pound of peanuts. How much of a pound does each person get
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!