2,195 Answered Questions for the topic Pre Calculus

02/15/18

College Algebra Help
Write an equation in slope-intercept form for the line described:x-intercept negative −6, y-intercept 1   The equation of the line is y equals=
Follows • 2
Expert Answers •1
Pre Calculus

02/12/18

Find two numbers whose sum is 50 and whose product is 504
help please
Follows • 2
Expert Answers •1
Pre Calculus

02/05/18

Graphing Ellipses
Find the vertices of the ellipse centered at the origin with eccentricity e=1/5 and focus at (-4,0) and (4,0).    (Enter each solution as an ordered pair.)
Follows • 2
Expert Answers •1
Pre Calculus

02/05/18

Graphing Ellipses
Find the eccentricity of the ellipse given by the following equation.   4x^2+20y^2=80   (Do not enter a decimal approximatio. Enter any radical terms or factors in simplest form.)
Follows • 1
Expert Answers •1
Pre Calculus

02/05/18

Graphing Ellipses
Find the eccentricity of the ellipse given by the following equation.    (x^2/40) + (y^2/4) = 1   (Do not enter a decimal approximation. Enter any radical terms or factors in simplest form.)
Follows • 1
Expert Answers •1
Pre Calculus

02/05/18

Graphing Ellipses
Find the length of the major and minor axes of the ellipse.    16x^2+18y^2=288    (Do not enter a decimal approximation. Enter any radical terms or factors in simplest form.)
Follows • 1
Expert Answers •1
Pre Calculus

02/04/18

Find the exact value of the trigonometric expression when sin(u)= -12/13 and cos(v)= -3/5 (Both u and v are in quadrant 3). tan(u+v)
 I have tried to solve using the sum formula but I can't get the correct answer. It has to be as a fraction.
Follows • 2
Expert Answers •1
Pre Calculus

01/31/18

find the exact value of the expression with drawing:
3 sin 2pi/3 - 4 cos 5pi/2
Follows • 1
Expert Answers •1

01/30/18

Find the logarithmic equation that fits the following data/table
Below are the corresponding x and y values for the table X1 = 100, X2 = 50, X3 = 25, X4 = 12.5Y1 = 0, Y2 = 13, Y3 = 26, Y4 = 39 I clearly see that this data has the multiply-add property and is... more
Follows • 2
Expert Answers •1
Pre Calculus

01/29/18

The function is used to convert temperature from Celsius (C) to Fahrenheit (F). The function C(K) = K − 273.15 is used to convert temperature from Kelvin (K) to
"The function" is F(C)= 9/5C +32
Follows • 2
Expert Answers •1
Pre Calculus

01/26/18

Find the partial sum Sn of the geometric sequence that satisfies the given conditions. (Round your answer to four decimal places.)
a2=0.3 a5=0.0375 n=4 
Follows • 1
Expert Answers •1
Pre Calculus

01/26/18

Determine whether the infinite geometric series is convergent or divergent. If it is convergent, find its sum. (If the series is divergent, enter DIVERGENT.)
-49/9+7/3-1+3/7-
Follows • 2
Expert Answers •1

01/24/18

Aaron runs at a constant speed of 10 feet per second. If Aaron is 48 feet from his front door when he starts running down a straight road toward school, how far
Aaron runs at a constant speed of 10 feet per second. If Aaron is 48 feet from his front door when he starts running down a straight road toward school, how far is Aaron from his front door when he... more
Follows • 2
Expert Answers •1
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
Pre Calculus Math Algebra Math Help

01/11/18

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
Pre Calculus Logarithms Ib Maths

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    
Follows • 2
Expert Answers •1

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.