2,223 Answered Questions for the topic Pre Calculus
Pre Calculus
01/23/18
17 is 3 times as large as some number. What is the number?
Write an equation for each of these situations and then solve the equation for the unknown value. Enter the solution to the equation in the answer box.
Follows
•
1
Expert Answers
•1
![]()
Pre Calculus
01/21/18
To get an A in a course, you must have an average of at least 90% on four tests worth 100 points each.
Your scores on the first three tests were 84, 94, and 83. What must you score on the fourth test to get an A in the course?
Follows
•
2
Expert Answers
•1
![]()
Pre Calculus Pre Cal
01/19/18
An architectural engineer is designing a parabolic dome that will be 200 feet in diameter with a maximum height of 50 feet
Find the equation of the cross sectional parábola of the dome
Follows
•
2
Expert Answers
•1
![]()
precalculus 1.7 a maximum value problem
A Rectangular sheet of cardboard measures 19 iches by 22 inches. Square with side length x are cut from each corner to form a box
a. write equation for the volume of the box created
...
more
Follows
•
2
Expert Answers
•1
![]()
01/08/18
find an explicit formula for each sequence
1,11,21,31,41,51 dealing with sequences in pre-calculus
Follows
•
3
Expert Answers
•2
![]()
![]()
Pre Calculus
12/14/17
list the x and y intercepts, and graph the function
f(x)=(1/x-3)
Follows
•
2
Expert Answers
•1
![]()
Pre Calculus
12/14/17
a set of data is normally distributed with a mean of 28 and a standard deviation of 2. what percent of the data is between 23 and 31?
Z score problem i don't know how to solve
Follows
•
1
Expert Answers
•1
![]()
Pre Calculus
12/13/17
Find (fog)(x) and (gof)(x) for each of the below equations.
f(x)=x-4 g(x)=x+5
Follows
•
2
Expert Answers
•1
![]()
Pre Calculus
12/12/17
a 3 diameter tire rolls a distance of 1 mile how many revolution does it take
revolution
Follows
•
2
Expert Answers
•1
![]()
12/12/17
Exponential Growth and Decay
Jose takes medication after t minutes, the concentration of medication left in his bloodstream is given by A(t)=10(0.5)0.014t , where A is in milligrams per liter.
1. Write down A(0)
2. Find the...
more
Follows
•
2
Expert Answers
•1
![]()
12/12/17
1.find the value of Of each of the following
1.find the value of Of each of the following, giving your answer an integera.Log64+Log69
2.Let Log3P=6 and Log3Q=7Find Log3(P/Q) By expanding the logarithm
3.Solve the equations below...
more
Follows
•
2
Expert Answers
•1
![]()
12/12/17
Find the value of each of the following
solve
82x+1=162x-3
find the value of Of each of the following, giving your answer an integer
Log62-Log612
Pre Calculus
12/08/17
What's the domain of g(x)=9x-11x^4
Find the domain of g(x)=9x-11x^4 and the range of it.
Follows
•
2
Expert Answers
•2
![]()
![]()
Pre Calculus
12/04/17
Find the equation of the ellipse in standard form
Find the equation of the ellipse in standard form: Center: (0,0); vertices: (0,+/5):c=3
Pre Calculus
12/04/17
What is the product of the complex number 5 – 2i and its conjugate?
5-2i
Follows
•
1
Expert Answers
•1
![]()
Pre Calculus
11/30/17
Dropped from a cliff.
A cliff is 36 feet above the water. If an object is dropped from the cliff, the formula h=36-16t^2 will give the height above the water's surface, in feet, of the object at t seconds from the time...
more
Follows
•
2
Expert Answers
•1
![]()
Pre Calculus
11/30/17
what is the measure of the smallest interior angle of the quadrilateral?
The four interior angles of a particular quadrilateral are in the ratio 2:4:4:5. In degrees, what is the measure of the smallest interior angle of the quadrilateral?
Follows
•
2
Expert Answers
•1
![]()
Pre Calculus
11/26/17
Sinusoidal Function
The pressure P (in pounds per square foot), in a pipe varies over time. Five times an hour, the pressure oscillates from a low of 40 to a high of 250 and then back to a low of 40. The pressure at...
more
Pre Calculus Pre Calc
11/26/17
Find a sinusoidal function with the following four attributes:
(1) amplitude is 16, (2) period is 9, (3) midline is y=33 , and (4) f(3)=49 .
Pre Calculus
11/21/17
pre calculus min/max area/perimeter
a farmer wants to build three rectangular pens of the same size next to a river so that they are separated by two fences. If she has 1,000 feet of fencing and does not fence the side next to the...
more
Pre Calculus
11/17/17
A landowner in Missouri employed 10 laborers to plant a total of 10,000 seedlings. If each laborer planted one seedling every 15 seconds, in how many minutes we
A landowner in Missouri employed 10 laborers to plant a total of 10,000 seedlings. If each laborer planted one seedling every 15 seconds, in how many minutes were all 10,000 seedlings planted?
Follows
•
2
Expert Answers
•1
![]()
Pre Calculus
11/14/17
(a) What is the distance between the plane and the base of the arch?
A plane is flying within sight of the Gateway Arch in St. Louis, Missouri, at an elevation of 25,000 ft. The pilot would like to estimate her distance from the Gateway Arch. She finds that the...
more
Follows
•
1
Expert Answers
•1
![]()
11/01/17
How to determine an exponential function for this problem.
the population of deer in a region has a maximum value of 300 due to resources and predators. in 2014, the population of deer is 220 and increases in subsequent years to a level of 255 in 2016....
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.
