Questions and answers by

coried

Questions (16)

Solve the system of equations using matrices. If system has no solution say its inconsistent.6x + y = 5 3x - y + z - w = 8 z + w
1. 2 answers
2. 778 views
The function f is one to one. Find its inverse.f(x) = 8x^2 - 9, x>=0
1. 1 answer
2. 521 views
The surface area of a balloon is given by S(r) = 4(pie)r^2, where r is the radius of the balloon. If the radius is increasing
1. 2 answers
2. 2,758 views
Solve the equation.e^5x = 2 a. 2/5 e b. in2/5 c. 5 in 2 d. in5/2
1. 3 answers
2. 487 views
The function f is one to one. Find its inverse.f(x) = 8x^2 - 9, x>=0
1. 0 answers
2. 800 views
What is the domain of the function f(x)=sqrt(x^4-16)? In interval notation. Please show me how to work this problem out. I
1. 2 answers
2. 1,004 views
When making a phone call using calling card a call lasting 3 minutes costs $1.60. A call lasting 10 minutes costs $4.40. Let y
1. 1 answer
2. 603 views
find the center (h,k) and radius r of the circle with the given equation:x^2 + y^2 + 6x - 8y = 56
1. 1 answer
2. 644 views
If a circle of radius 5 is made to roll along the x-axis, what is the equation for the path of the center of the circle?
1. 1 answer
2. 4,709 views
find the center (h,k) and radius r of the circle with the given equation:x^2 + y^2 + 6x - 8y = 56
1. 1 answer
2. 664 views
Word problem: When making a phone call using calling card a call lasting 3 minutes costs $1.60. A call lasting 10 minutes costs
1. 2 answers
2. 1,588 views
Word problem:Ken and Kara are 29 miles apart on a calm lake paddling towards each other. Ken paddles at 3 miles per hour. Kara
1. 1 answer
2. 677 views
Word problem:Radiator in a certain make needs to contain 50 liters of 40% antifreeze. The radiator now contains 50 liters of 20%
1. 2 answers
2. 1,855 views
Write expression as a single quotient(49-x^2)^1/2 + 3x^2(49-x^2)^-1/2 ________________________________ 49 - x^2
1. 1 answer
2. 377 views
factor...(x+4)^-3/5+(x+4)^-1/5+(x+4)^1/5 Please explain the process used to solve this type of expression. Answer should be in
1. 1 answer
2. 462 views
simplify result leave in factored form1-7/x _____ 1+7/x
1. 1 answer
2. 406 views