4,335 Answered Questions for the topic College Algebra
College Algebra
10/08/20
Can you solve for r
R=16m=6s=9when m=12 and s= 9 r=
Follows
•
1
Expert Answers
•1
![]()
College Algebra
10/07/20
In 2000 the world used about 76 million barrels a day and in 2010 the would be used about 87 million barrels a day.
Assuming this is a linear trend come up with an equation for this. In addition, if consumption is not curved how many will we use in 2050? Can this trend be made less linear? Can it be flattened?...
more
Follows
•
2
Expert Answers
•1
![]()
College Algebra
10/07/20
Answer please!!
Drinking Less Soda. The bar graph shows annual per-capita consumption of 12-ounce servings of carbonated soda in the United States for three selected years. The data displayed by the graph can be...
more
Follows
•
1
Expert Answers
•1
![]()
College Algebra
10/07/20
You are given a cell phone bill. You are charged $52 for the month. There is a $40 monthly fee and you are charged $4 per megabyte of data used
Construct a linear equation for this model
What is the value of the y-intercept? What does it mean?
What is the value of the slope? What does it mean?
If you use 10 megabytes of data how much...
more
Follows
•
1
Expert Answers
•1
![]()
Quadratic Functions
The height y (in feet) of a ball thrown by a child isy=−1/16^x2+6x+3 where x is the horizontal distance in feet from the point at which the ball is thrown.(a) How high is the ball when it leaves...
more
Follows
•
1
Expert Answers
•1
![]()
Quadratic Functions
NASA launches a rocket at t=0 seconds. Its height, in meters above sea-level, as a function of time is given by h(t)=−4.9t2+289t+283.Assuming that the rocket will splash down into the ocean, at...
more
Quadratic Functions
7Use the quadratic formula to solve the equation 9x2−24x+41=0.Enter multiple answers as a list separated by commas. Example: 2+2i,2−2i
Follows
•
1
Expert Answers
•1
![]()
Quadratic Functions
Consider the Quadratic function f(x)=x2−3x−18.Iits vertex is ( , ).its largest x-intercept is x= .its y-intercept is y=
Quadratic Functions
3Put the equation y=x2+2x−3 into the form y=(x−h)2+k:Answer: y =
Follows
•
1
Expert Answers
•1
![]()
Quadratic Functions
Consider the function h(x)=14x2+x−3 6
What is the vertex of h ?
What is the equation of the line of symmetry of h ?
h has a of
The x -intercept(s) of h is/are
The y -intercept...
more
College Algebra
10/07/20
College algebra HELP!
Two brothers, Rick and Walter, each inherit . Rick invests his inheritance in a savings account with an annual return of , while Walter invests his inheritance in a CD paying annually. How much...
more
Follows
•
1
Expert Answers
•1
![]()
10/07/20
exponential models
The count in a bacteria culture was 500 after 20 minutes and 1100 after 30 minutes. Assuming the count grows exponentially,What was the initial size of the culture? Find the doubling...
more
College Algebra
10/06/20
How many cords of wood could you fit in a room that is 8 yards long, 8 yards wide, and 7 yards high? Use
Follows
•
1
Expert Answers
•1
![]()
College Algebra
10/06/20
your car gets 32 miles per gallon how much does it cost to drive 320 miles when gasoline costs $2.70 per gallon?
Follows
•
1
Expert Answers
•1
![]()
10/06/20
Find the dimensions of the original piece of metal
A rectangular piece of metal is 5 in. longer than it is side. Square with sides 2 in. long are cutfrom the four corners, and the flaps are folded upward to form an open box. If specifications call...
more
College Algebra
10/06/20
A rectangular plot’s length is one more than twice the width of the plot. If the total area of plot is 5,460 square feet, what are the dimensions of the plot?
Follows
•
1
Expert Answers
•1
![]()
College Algebra
10/06/20
Determine the speed
Two trains leave the same city at a right angle to each other and continue in straight lines. Train B travels 5 mph faster than train A. After two hours, they are 50 miles apart. Determine the...
more
Follows
•
1
Expert Answers
•1
![]()
What is the cardinal number of the set C={0,5,−4,25,103,56}
Follows
•
1
Expert Answers
•1
![]()
10/06/20
Find an equation of the line passing through the given points. Use function notation to write the equation.
The coordinates provided are (-8,-3) and (-12,-2)
Follows
•
0
Expert Answers
•1
![]()
College Algebra Math
10/05/20
College Algebra
A rocket is shot into the air from a launching pad 15 feet above the ground with an initial velocity of 174 feet per second. The height, h, in feet of the rocket above the ground t seconds after...
more
College Algebra
10/04/20
Suppose the perimeter of a rectangular floor is 90 feet. Find the dimensions of the floor if the length is four times the width.
You guys shared stuff similar to this question about it being twice the length and width but I can't figure out how to find the answer when it is four times the length and the width. If you could...
more
College Algebra
10/04/20
the question is below
The number of electric scooters e that a factory can produce per day is a function of the number of hours h it operates and is given by e(h) = 250h for 0 ≤ h ≤ 10. The daily cost c to...
more
Follows
•
1
Expert Answers
•1
![]()
College Algebra
10/04/20
A formula in the form y = mx+22,000 models the average retail price, y, of a new car x years after 2000. Would you expect m to be positive, negative, or zero? Explain your answer
A formula in the form y = mx+22,000 models the average retail price, y, of a new car x years after 2000. Would you expect m to be positive, negative, or zero? Explain your answer
Follows
•
1
Expert Answers
•1
![]()
College Algebra
10/03/20
distance between 2 points, 785 mi, 2 hours
donald trump has an appointment 785 miles from his office. he takes a helicopter from trump towers to the airport and a plane from the airport to the business appointment. the helicopter averages...
more
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
