01/03/18

Solve the simultaneous equation for x and y
ax + by = 48ab ax - by = 2ab   can you please show working out.  Thank you!!!
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01/03/18

how to solve for x?
x/a + x/b =a + b   thank you!!
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12/29/17

What is the equation in point slope form of the line passing through (-3,-4) and (0,2)
?????????????????????????????????
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12/28/17

on an old bicycle.
On an old bicycle, the front wheel has a radius of 2.5 feet and the back wheel has a radius of 4 inches. How many complete revolutions will the back wheel make to cover the same distance as the... more
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12/21/17

Which ordered pair is a solution of the equation? -3x+4y=14−3x+4y=14
rebgbtrbtrtrtweqegeqegggggergreegregeggr
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12/18/17

a child reads 12 pages in 18 minutes. how many pages can he read in 30
please help, ues it seams easy but i just cant think of it.. i got anxiety in class because i was so stressed trying to think of this.
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12/18/17

The height of a tree is 27 feet.
 Given that tan θ=3/7 and you are looking at θ degrees to the top of the tree how far are you to the nearest foot from the base of the tree? a. 12 ft b. 21 ft c. 63 ft d. 81 ft
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12/18/17

A man owning 3/8 of a ship sold 40% of his share. What part of the ship did he sell, and what part did he still own?
 Calculations with percent: I have no idea how to solve this problem. Thanks for your help!
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12/18/17

isahaan is 3 times as old as christopher and is also 14 years older than christopher
answer it for me 
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12/15/17

twice the first two consecutive integers increased by the square of the second is 78. What are the two integers?
HELP ME WITH ALGEBRA
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12/14/17

Limits problem?
Lim            (1-cos (sqrt x))/ x x-->0+   The answer is 1/2 But I don't understand how to get that?
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12/12/17

Need some help with this math problem?
A basketball player made 12 out of 15 throws he attempted. He wants to know how many consecutive free throws he would have to make to raise the percent of successful free throws to 85%. Write an... more
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12/06/17

Struggling with proof by induction. Can someone help me please with the below?
A sequence an is defined recursively as an+2 = −3an+1 − 2an, a0 = 1, a1 = −2.Conjecture a formula for an and prove it by induction.
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12/05/17

Homework help for discrete
Suppose f: integer(z) to integer(z) is a function with the property that f(a+b) = f(a) + f(b) for every two integers a and b. Prove that if f(c) is even for some odd integer c then f(x) is even for... more
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12/05/17

What is the interest rate necessary for an investment to quadruple after 7 7 years of continuous compound​ interest?
please help me solve this question
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12/05/17

Find the area of a triangle
Determine the area of the triangle specified by a=7 ft, A=78°, and B=52°
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12/05/17

Discrete math Problem!
Suppose f: integer(z) to integer(z) is a function with the property that f(a+b) = f(a) + f(b) for every two integers a and b. Prove that if f(c) is even for some odd integer c then f(x) is even for... more
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12/05/17

Write as a single logarithm
6log(25-x^2)-[log(5+x)+log(5-x)]
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12/05/17

Im getting 2 different answers. Help please
75 hours * 2 equals 150 hours * $35 an hour equals 5250 but if you break the $35 up into $20 and $15 chunks and times each by 75 hours you get 1500 and 1125 added together equals 2625 not 5250... more
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12/05/17

the difference of two positive numbers is 2 and the difference of their squares is 44 . find the numbers
the difference of two positive numbers is 2 and the difference of their squares is 44 find the numbers for this word problem i really need help with it i gave up on it
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12/05/17

I have a question regarding integrals, which I have not been able to solve
The function to be integrated is the following: f(x)=(√x)/(x2 + ln(1+x))   In addition to this we were asked to confirm if the function converges or not. When plotted it is observed to tend... more
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12/05/17

what is the slope of a line (-1,-7) and (3,9)
it should be a line slope and a straight answer.
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12/04/17

Eighteen subtracted from a number is 35
I don't know how toi do its
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12/04/17

A number increased by 7 is a maximum of 45 written as an inequality
It’s math, and it’s super hard. help
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12/04/17

Someone is travling 100 meters in 4 seconds how fast is he travling
it is about speed science and distance   
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