12/09/14

Natural Log Base Equation
7 e^x = -2 e^x + 5   Find x where e is the base of a natural log
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12/09/14

A mason can build a retaining wall in 10 hours.
A mason can build a retaining wall in 10 hours. With his apprentice assisting, the wall is built in 6 hours. How long would it take the apprentice alone to construct the wall?
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12/09/14

interval notation {x|x<-3}
Write the inequality in interval notation
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12/09/14

An airplane flies from city A to city B a distance of 150 miles and then turns through an angle of 40 degrees and heads towards city c.
As well as through what angle should the pilot turn at city C to return to city A? If the distance between cities a and c is 300 miles how far is it from city B to city C? 
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12/09/14

lori is running in a marathon, which is 26.2 miles long. so far, she has run one-tenth of the maraton. how far has lori run?
lori is running in a marathon, which is 26.2 miles long. so far, she has run one-tenth of the maraton. how far has lori run?
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12/09/14

What is the answer and how do you solve and graph on a number line this equation??
What is the answer and how do you solve and graph this absolute value inequality? I will use "l" for the absolute value symbols. -4lx+3l > -20Thank you!
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12/09/14

MATH QUESTION
Need help!!! So if my overall grade in a class right now is a 95 and my final exam is worth 25% of my overall grade what do I have to make in my final too still get an A in that class??? An A in... more
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12/09/14

The sum of rwo numbers is 27, The larger number is 3 more than the smaller number. What are the two numbers?
The sum of two numbers is 27, The lager number is 3 more than the smaller number. What are the two numbers?
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12/09/14

what is the sqauring expression of 2x + 9?
Squaring expression?
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12/09/14

Dimensions of a Triangle
The perimeter of a triangle is 180 feet. The longest side of the triangle is 24 feet longer than the shortest side. The sum of the lengths of the two shorter sides is 14 feet more than the length... more
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12/09/14

Graphing function
Graph the function f(x)= 3x2 - 6x - 24. Label its y-intercept, x- intercepts, and vertex How do I do this? Please help 
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12/09/14

What is the sum of the series?
4 ∑ (2k+7) k=1   (the 4 is suppose to be right on top od the symbol)       _______________________
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12/09/14

On the circumference of a circle whose radius is 6 feet, we have three points A, B, and C, such that the angle of BAC is ? of one radian. How long is arc BC?
Please help me understand the work needed for this problem.
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12/09/14

The Question doesn't fit in the area given so it is in the description section.
A bag contains five sticks. The length of the sticks are 1 inches, 3 inches, 5 inches, 7 inches, and 9 inches. Suppose you pick 3 sticks from the bag at random. What is the probability you can form... more
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12/09/14

infinity series??
Find the sums of the following infinite series. Write your answer as a reduced fraction: 0.16 + 0.16^2 + 0.16^3 + ...       Find the sums of the following infinite series. Write your answer as... more
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12/09/14

Law of Cosines
Use the Law of Cosines to find angle B if a=4,b=6, and c=9 (Round to 2 decimals places)   I don't know if this answer is right but this is what I did   cos B = (6^2 - 4^2 - 9^2/-2(4)(9)) =... more
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12/09/14

Find the sum
a. Find the sum 4,(4/3),(4/9),(4/27),(4/81)   b. Find the sum of the first 70 terms     Please explain both answers in detail
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12/09/14

I need help with this question please.. It's geometry..
The living room is rectangular and has a length of 12 feet and a width of 16 feet. The cost of removing the existing carpet is $75, and the cost of the new carpet including installation, will be... more
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12/09/14

Three-toed sloths have four legs. How many toes would 25 sloths have?
Three-toed sloths have four legs. How many toes would 25 sloths have?
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12/09/14

Solve ?ABC............................
Solve ΔABC. (Round your answer for a to one decimal place. Round your answers for α and β to the nearest degree. If there is no solution, enter NO SOLUTION.)   *Please give correct answer so i... more
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12/09/14

Find the exact value of the expression whenever it is defined.
Find the exact value of the expression whenever it is defined. (If an answer is undefined, enter UNDEFINED.)   *Please give correct answer so i can compare it with the answer i... more
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12/08/14

what is the answer to A/3+A/3-1=A
I cant figure this equation out.  Its suppose to be A over 3
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12/08/14

Change 4x - 3y = -15 to slope-intercept form and state the slope and y-intercept. You must show all work!
SHOW ALL WORK, SHOW THE STEPS THROUGH NUMBERS ! ...explain
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12/08/14

Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -3x2 + 7x + 8
Select the approximate values of x that are solutions to f(x) = 0, wheref(x) = -3x2 + 7x + 8
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12/08/14

$1700.00 for 15 months at 16% annual simple interest is how much interest?
How much is the total interest?
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