11/09/17

Find the time to the nearest tenth of a year that it takes for the amount of money in an account to become $300 if $200 is compounded monthly at 7%. A=P(1+r/n)^
Please show work 
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11/09/17

f(x) is an increasing linear function that passes through the point (4, 0). Show that if written in the form f(x) = mx + b, m>0 and b<0.
f(x) is an increasing linear function that passes through the point (4, 0). Show that if written in the form f(x) = mx + b, m>0 and b<0.
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11/09/17

derivatives of shapes and curves
for f(x)= x^2/x^2+3     a.) find the intervals on which f is increasing or decreasing   b.) find the local max and local minimum values of f   c.) find the intervals of concavity and... more
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11/09/17

How many standard size bricks would it take to lay for an area 7 feet by 6 feet?
The bricks are 7 1/2 inches in length by 3 1/2.
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11/08/17

steve writes a paper in 6 hours. if eric helps him write his paper it takes them 4 hours. how long does it take eric to write a paper?
steve writes a paper in 6 hours. if eric helps him write his paper it takes them 4 hours. how long does it take eric to write a paper?
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11/08/17

The average cost of producing 100 units is how much?
A manufacturer has determined the marginal-cost function dc/dq below, where q is the number of units produced. If marginal cost is $90.00 when q=50 and fixed costs are $7000what is the average cost... more
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11/08/17

a=p(1+i)^n solve for i and n
make i and n subjects
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11/08/17

Suppose that A varies directly as (2L + 1) and inversely as the cube of W. If A=4 when L=7 and W=2, find A when L=12 and W=1
Inverse and Direct proportion
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11/08/17

If Z is directly proportional to the square of X and inversely proportional to the cube of Y, how is Z affected when both X and Y are increased by 50%
This question is under the topic direct and inverse proportion
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11/07/17

If the sum of one number and twice another is 12, what is the greatest possible product of the number?
I know that the answer is 18, but I don't know how the get that answer.
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11/06/17

solve the radical equations, if possible. Sqrt 5a-9 = sqrt 5a - 3
solve the radical equations, if possible. Sqrt 5a-9 = sqrt 5a - 3
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11/06/17

the correlation coefficient is simply a number. it can take on any value.
is this question true or false please answer!
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11/05/17

Write a quadratic equation in the variable x with the solutions sqrt{2} and -sqrt{8}.
Write a quadratic equation in the variable x with the solutions sqrt{2} and -sqrt{8}.
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11/05/17

Line ℓ has equation y= - x–3. Find the distance between ℓ and the point B( - 4, - 2).
This assignment is really hard... Please help?
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11/05/17

Prove that there are no stationary points for x^3 + xy^2 - y^3 = 5?
Prove that there are no stationary points for x^3 + xy^2 - y^3 = 5?
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11/05/17

A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y = 2-x^2. What are the dimensions of such a rectangle with the great
help!!! i need this answered asap 
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11/05/17

Given the graph of a line y=−x. Give the equation of a line which is perpendicular and goes through the point (8,2).
Graph of a line
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11/05/17

Given that h(x) = a x - 2 , a ≠ 0 . If h(3) = 4 h(2) , Find h(3) = ?
help Given that h(x) = a x - 2 , a ≠ 0 .If h(3) = 4 h(2) , Find h(3) = ? 
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11/04/17

Need help solving the differential equation y’-y=x
Can you help me understand the steps in solving this equation? Will you always use e^() in these types of equations? 
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11/04/17

Linear Algebra And Matrix
2 x + 9 y + 3 z = -8.   /x/            /      /          /     /            /      / /y/    =      /     /    +    /     /s  +       /      /t /z/            /     /          /     /           ... more
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11/03/17

If f is continuous and ∫0 to 8 f(x)dx=10 evaluate the definite integral.
∫0 to 2 f(4x) dx
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11/03/17

Maria can ride her bike to the library in 20 minutes. The trip home, wich is all uphill, takes her half an hour . If her rate is 8 miles per hour slower on the
Maria can ride her bike to the library in 20 minutes. The trip home, wich is all uphill, takes her half an hour . If her rate is 8 miles per hour slower on the return trip, how far does she live... more
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11/01/17

Radium-221 has a half-life of 30 sec. How long will it take for 89% of a sample to decay?
r=ln2/30=0.0231 e^-0.0231t= some decimal im not understanding how it comes about, but i am missing to solve the problem  
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11/01/17

can someone help me?
the first, fourth and thirteenth terms of an arithmetic series are consecutive terms in a (non-constant) geometric series. The sixth term in the arithmetic series is 78. find the first term and the... more
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10/31/17

If I father is now five times son, how many years ago was the son two years old and the father 50
Need help with this worded math problem  I just really don’t know how to solve it 
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