08/01/17

Arithmetic progression
if 9th term of an AP is 0, then ratio between 29th and 19th term is  
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07/14/17

In triangle ABC, tan(A-B-C)=?
Question based on trignometric ratios.
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07/12/17

Write the following in interval notation: − 4 < − 2 x − 14 < 3
Write your solution using interval notation. If your answer contains fractions, please enter a fraction, decimal approximations will not be accepted.
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07/02/17

find sino given cos2o = -24/25 and pi/2 < 2o < pi
I cant seem to find the right answer no matter how many times I follow the steps
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07/01/17

what is the common ratio of a geometric sequence if the first term is 8 and the 6th term is 243/128 <-- this is fraction
first term is 8 and the 6th term is 243 over 128. i can't get the common ratio. may i ash your help?  
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05/18/17

Use identities to find values of sin 2θ and cos 2θ for sin θ = 2/5, cos θ < 0
Could anyone help me solve this problem? I've been stuck on it for a while.
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05/16/17

How do you compare fractions?
Which fraction is bigger? 4 3/8 or 34/7? Would I have to multiply both sides to get the same denominator then compare?
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05/01/17

Does the system have solutions, and if so, how many? 2x−y=1 −6x+3y=2
plz help help help
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03/26/17

Algebra Question
Emily bought a fish tank for $25 and 10 fish which cost $S each.  IF she gave the cashier two $20 bills, what was her change in terms of S
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03/26/17

Four consecutive multiples of 15 add up to 390 what is the largest number
 For consecutive multiples of 15 add up to 390 what is the largest number 
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03/19/17

The radius r of a circle is increasing at a rate of 7 centimeters per minute. (A) Find the rate of change of the area when r=12 centimeters
i don't know how to get this answer
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03/14/17

A person is standing 24ft away from a lamp post that is 25ft tall. How tall is he if his shadow is 6ft long
A person is standing 24ft away from a lamp post that is 25ft tall. How tall is he if his shadow is 6ft long 
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03/14/17

A $600 bond earns 4.5% simple annual interest. Describe and correct the error finding the total interest earned after 18 months.
i=PRT =(600)(0.045)(18) =486
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03/12/17

What number is exactly midway between 23 − √17 and 23 + √17?
What number is exactly midway between 23 − √17 and 23 + √17? What number isexactly midway between [−b −((√b^2) − 4ac))]/2 and [−b +((√b^2) − 4ac))]/2?
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03/05/17

 let x be an irrational number. show that for every k>0 there exist n,m ∈Z such that 0<|nx-m|<k
Use direct proof or contrapositive proof or proof by contradiction
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03/04/17

Write the missing fraction in the pattern: 1/12, 1/27, 1/6, 1/9, ?, 1/3
 What is the pattern?
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02/25/17

The quotient of a number and -5 increased by one is at most 7
Mat question I don't understNd please help immediately 
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02/21/17

Solve for × and give solution in interval notation.
1/|×-4|<1/|×+7|   Why is (4,+inf) not in answer and why isn't -(3/2) included
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02/15/17

equation find m and n
If m^2 + n^2 = 140 and mn=49, what is the vaule of (m-n)^2?   a. 0 b. 24 c. 238 d. 42
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01/30/17

solve the system
  y=-x+7 and y=0.5(x-3)^2
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01/30/17

write the equation of the line in general form whose x-intercept is 3 and y- intercept of -4.
write the equation of the line in general form whose x-intercept is 3 and y- intercept of -4.
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01/20/17

In a squash competition, each player played once with everyone else.
In a squash competition, each player played once with everyone else.Gordon played with 4 times as many boys as girls.Jayanthi played with 5 times as many boys as girls.How many more boys than girls... more
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01/19/17

Calculate the average speed of the train
A train moved at a speed of 90 miles per hour for 2 hours and then slowed down to 72 miles per hour for the next 30 minuteso
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01/13/17

A circle is centered at the origin and contains the point (-6, 0.) Use complete sentences and proper grammar to give a justification as to whether or not the p
COULD ONE OF YALL PLEASE HELP ME WITH THIS QUESTION PLEASE AND THANK U  THIS QUESTION IM SUPPOSED TO FIND OUT WHERE THE POINT THAT WAS GIVEN LIES ON THE CIRCLE
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11/21/16

finding the integral for a temperature function for the first hour.
A bar of metal is cooling from 1000°C to room temperature, 21°C. The temperature, H, of the bar t minutes after it starts cooling is given, in °C, by H = 21 + 979e^−0.1t. (a) Find the temperature... more
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