07/28/15

The Mendes family bought a new house 6 years ago for $104,000. The house is now worth $177,000. What was the yearly rate of appreciation?
I just really need help solving this and when someone answers, can you make sure its rounded to the thousandths place and please show all of your steps.
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07/28/15

Find k in the equation
Find k in the equation (k-3)x2 + (k-2)x - 5 so that: a) the sum of roots is 3. b) the product of roots is -4.
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07/27/15

Barney was charged $108 for 3 days and 300 miles, Mary was charged $193 for 5 days and 600 miles. What does a rental car cost per day and per mile?
word problem
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07/27/15

Ann and Nancy use metal alloy at 19%. How many ounces at 16% alloy must be mixed with 20% to form 88ozof alloy?
Word problems
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07/27/15

Write the expression as an algebraic expression in x for x > 0.
6tan(arcosx)
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07/27/15

Write the expression as an algebraic expression in x for x > 0.
Write the expression as an algebraic expression in x for x > 0.sec [sin-1x/(√x2+25)]
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07/27/15

y = x2 arccos x
Calculus Question y = x2 arccos x I don't understand the question.
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07/27/15

write and graph a function that represents the situation
write and graph a function that represents the situation, a population of 15,000 increases by 8.5% each year
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07/26/15

need a little help on this one, The variable Z is directly proportional to X, and inversely proportional to Y. When X is 12 and Y is 18, Z has the value 2. What
The variable Z is directly proportional to X, and inversely proportional to Y. When X is 12 and Y is 18, Z has the value 2.What is the value of Z when X = 19, and Y = 22Round to at least the... more
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07/26/15

Write an equation that relates the amount A spent on advertising to the number x of boxes the company aims to sell.
A cereal company finds that the number of people who will buy one of its products in the first month that it is introduced is linearly related to the amount of money it spends on advertising. If it... more
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07/26/15

find the derivative of each function. y =(4x2 - 1)-1/2
Calculus I need to understand the concept to this question please show notes and tips show then I can understand how you came up with the solution.
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07/26/15

how do i put slope of -2/3 through 5,-1 in slope intercept form
this is a math question in algebra linear equations
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07/25/15

Coordinate Geometry
The line through A(3,1) perpendicular to x-4y =8 meets the x-axis at P and the y-axis at Q.Calculate the ratio PA:PQ.   Ans:  1:12 (Show working please)
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07/24/15

a circle has a radius of 11 ft find the length S of the arc intercepted by a central angle of 30 °
Please help me i am stuck on this problem and i am stressing over it
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07/24/15

How much would you need to deposit in an account now in order to have $2000 in the account in 10 years?
How much would you need to deposit in an account now in order to have $2000 in the account in 10 years? Assume the account earns 4% interest compounded monthly.
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07/24/15

Find all the real cube roots of 216. (Multiple Choice)
a. -6b. 6c. -6 and 6d. no real roots
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07/24/15

y-(3y-5)/5/(14/10 + 7/2y) the fraction simplifies to ___.
 use any method to simplify the complex fraction.
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07/24/15

System of four equations
4a+6b+2c+4d=-12. -2a+3b+c+d=-3.                          6a-3b+c-d=9.                             -10a-6b-c-2d=1
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07/23/15

find possible fuctions
If h(x) = 4+1/(sq root of x-5), find possible functions f and g so that h(x)= (fog)(x). Do not use f(x)=x or g(x)=x. Check solution
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07/22/15

For tirangle KOR with side lengths k, o and r, which equation can be to determine o?
o=√r^2+k^2-2rkcosO o=√r^2-k^2-2rksinO
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07/22/15

If the raw score is 62, the mean is 58 with a standard deviation of 8, what is the Z score?
 An individual receives a raw score of 62 on a national standardized test. Given that the mean & standardized deviation of the test were 58 and 8, respectively, what is the individual's Z-score?
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07/22/15

If s=x+2(a+x), which is 6x-1 in terms of s and a?
A. 2s-4a-1 B. 2s-2a-1 C. s-2a-1 D. 2s+4a-1 E. a-2s-1   I tried, but I don't know what the answer is. Please hep. Thank you!
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07/21/15

find an equation of the tangent line
to the graph of y=x^4-lnx+1   the point (1,2)
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07/21/15

Related Rates Question
My circular swimming pool has a 30 foot diameter and is 6 feet tall. The flow rate from my spigot into the pool is about 1.84 feet per minute. How fast is the water level, h, rising at the moment... more
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07/20/15

slope-intercept (-2,-5) perpendicular to line x-2y=3
Slope-intercept equation of line containing points (-2,-5) perpendicular to the line x-2y=3
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