the length of a rectangle is 4 more than the width. the area is 672 square centimeters. find the length and width of the rectangle
Im not very good with word problems and am having trouble learning how to solve these
06/14/17
give P(x)=6x^5-13x^4-34x^3+128^2-132x=45, write p in factored for. be sure to write the full equation, including P(x)=.
thought that I had it right with just factoring it out but not sure how to do it if P(x) is included
06/13/17
how many quarts of pure antifreeze must be added to 40 quarts of a 25% antifreeze solution in order to obtain a 60% antifreeze solution
(round to the nearest tenth as needed)
06/13/17
If we replace each y-coordinate with its opposite in the graph of f, we will obtain the graph of y= ___________.
Maintaining Skills
06/13/17
The average SAT scores (mathematics and critical reading) of college-bound seniors in the state of Florida was 995 in 2009; in 2011, it was 976.
assume that the scores have been changing linearly.
a. Express the average SAT score in Florida as a function of the time since 2009.
b. If the trend continues, what will be the average SAT score...
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06/08/17
What is the sum of the first 22 terms of the sequence -62, -15, 32, 79, ... ?
Not sure how to do this?
Answers are either: 878, 9493, 925, 8568 or none
06/02/17
how do I simplify this complex fraction?
Simplify
(x2 +16x+64)/(-10x)/(x+8)/(5x)
It should look like this...
x2+16x+64
-10x
x+8
5x
Thank you very much for taking your time to read this. I would really...
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05/30/17
Enter the polynomial
Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree 4; zeros: 6, multiplicity 2; 3i
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05/30/17
the smallest whole number that is to be multiplied with 59535 to make a perfect square number is x .the sum of digits of x is
Answer is 6 ..please give the solution step by step so that it can help me understand clearly
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05/29/17
Simplify Expressions in Radicals
A. √(11−6√(2))
B. √(10+4√(6))
C. √(29−12√(5))
D. √(8+2√(15))
I have no idea how to solve these problems, so if you show work that would be greatly appreciated!
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05/29/17
Find the values of a in the domain of f, for which f(a) equals the given number.
f(x)=x2-2x-17; f(a)=-2
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05/29/17
it takes a motorboat 4 hours to travel 56 miles down a river, it takes 3 hours longer to make the return trip. Find the speed of the current.
Solve by defining variables and creating equations, as needed.
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05/26/17
help!!!!!! super confused
let a and b be real numbers. the solutions of the equation ax + b = 30/x+2 - 1 are 8 and -8. What are the values of a and b? Explain your answer.
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05/26/17
Use the equation below to answer the question
cos(θ)=-9/41
the unit of θ is radians. Which assumption is necessary to state that sin(θ)=-40/41
a)the angle is located in quadrant I
b) located in quad II
c) located in quad III
d) located...
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05/25/17
cos2x = cosx solve for interval (0 2π)
cos2x = cosx solve for interval (0 2π)
algebraic means without calculator
05/25/17
5tanx = 2sinsx solve for interval (0 2π)
5tanx = 2sinsx solve for interval (0 2π)
algebraic means without calculator
05/25/17
the sum of three consecutive numbers is 72. what are the smallest of these numbers?
the sum of three consecutive numbers is 72. what are the smallest of these numbers?
05/24/17
Find all the roots of the equation x^4 - 2x^3 + 14x^2 - 18x + 45 = 0 given that 1 + 2i is one of its roots.
i need help fast
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05/24/17
Remainder Theorem
Use the Remainder Theorem to determine whether x + 13 is a factor of the polynomial
𝑓(𝑥) = 𝑥^4 + 12𝑥^3 − 9𝑥^2 + 48𝑥 − 52.
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05/24/17
Point of intersection between two graphs
I need the points of intersection between these two graphs: f(x)=5e^-x and g(x)=(-e^x)+6. I am kind of stuck with them.
Thank you!
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