07/31/17

find the exact values of sin(a+b) and cos(a-b)
Given that sin(a)=2/3 and cos(b)=-1/5, with a and b both in the interval of pi - pi/2
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07/28/17

College Algebra
Oscar can drive 4 times as fast as Pablo can ride his bicycle. If it takes Pablo 3 hours longer than Oscar to travel 84miles, how fast can Pablo ride his bicycle?
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07/28/17

2. You are hosting a party and you need to know how much food to buy for everyone invited. You figure the average cost for an adult would be 2 times as much as
2. You are hosting a party and you need to know how much food to buy for everyone invited. You figure the average cost for an adult would be 2 times as much as a child and a teen would cost 1.5 as... more
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07/26/17

Factor the following polynomial completely showing all steps:
27x^3+512
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07/26/17

Factor the following polynomial completely showing all steps:
6x^2-23x-55
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07/26/17

Differentiation
I have to make an open cylindrical out of 48 square feet of material. That is, this can will not have a top. What are the dimensions of the radius and height that will maximize the volume of the... more
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07/26/17

Factor the following polynomial completely:
10a^7b^3-810a^3b^3
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07/26/17

Differentiation application
f(x)=x^4-4x^3+4x^2+1   what is the maximum and minimum values of f(x) on the interval [-1,5]     i got x=1 local min. But I don't think that's correct, please help. 
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07/26/17

Jan is saving money to buy a camera that cost $730. Is she has already saved $458, how much more money does she need to save in order to buy the camera?
I am needing a break down and how to solve this word problem
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07/26/17

Differentiation application
f(x)=x^4-4x^3+4x^2+1  what is the maximum and minimum of f(x) on the interval [-1,5]
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07/26/17

that a light bulb will be defective 300 light bulbs are inspected for quality the inspector found 15 to be defective w hat is the experimental probabilty that
Please Help as soon as possible 
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07/26/17

If the failure rate of TVs is 13.3%, how many would be expected not to fail when 1,500 TV's go to market?
If the failure rate of TVs is 13.3%, how many would be expected not to fail when 1,500 TV's go to market?
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07/26/17

A panel of 12 jurors needs to be selected from a group of 52 people. How many different juries can be​ selected?
A panel of 12 jurors needs to be selected from a group of 52 people. How many different juries can be selected?
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07/26/17

A right triangle is ________ isosceles
A right triangle is ________ isosceles   A. sometimes  B. always C. never
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07/26/17

Two angles are complementary. One is twice as large as the other. the smaller angle is......
Two angles are complementary. One is twice as large as the other. The smaller angle is   A. 15 degrees B. 30 degrees C. 45 degrees D. 60 degrees
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07/26/17

The values of a set of data are 3, 4, 6, 2, 4, 2, 3, 1, 5, 3, 4, 3, 5. What is the range of values within two standard deviations of the mean?
The values of a set of data are 3, 4, 6, 2, 4, 2, 3, 1, 5, 3, 4, 3, 5. What is the range of values within two standard deviations of the mean?
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07/26/17

which are true for all positive integral values for n>=1 x+(1/x)=2cos theta
Which ar true for all positive integral values for n>=1 interms of cos and interms of sign.
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07/26/17

Geometry Homework Help
Image Link : http://imgur.com/a/WKrkH Questions: (1) What is the length of RS in circle O?(2) What is the value of r to the nearest tenth? Thank in advanced!
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07/25/17

Event A has a probability of occurring of four fifths. Event B has a probability of occurring of one third. If events A and B are independent of one another, w
Event A has a probability of occurring of four fifths. Event B has a probability of occurring of one third. If events A and B are independent of one another, what is the probability of both events... more
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07/25/17

find the components of v such that ||v||=5 and the direction angle of v is 45 degrees
can someone answered this question please ?
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07/25/17

Find two numbers such that: - The second number is 8 less than 3 times the first number. - The difference between the first number squared and the second number
Hey this is one question ive been struggling with in calc, if anyone could help that would be great thanks 
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07/25/17

I need to solve this in the quadratic formula I just can't solve it
500=2.2v+v2/20
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07/25/17

What is sample variance and standard deviation of 1.08,0.67,1.17,0.73,0.17,0.32,0.33
What is the sample variance and standard deviation of 1.08,0.67,1.17,0.73,0.17,0.32,0.33
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07/25/17

The inverse of f = {(1,2), (2,3), (3,4), (4,1), (5,2)} is a function if the domain of f is limited to a) {1,3,5} b) (1,2,3,4} c){1,5}, d) {1,2,4,5} e) {1,2,3,4,
This question is from a SAT 2 book. B is the correct answer, and the explanation given is that for the inverse function, two of the points would be (2,1) and (2,5). Since no two points in a... more
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07/22/17

Given points A (-4,5) and B (6,-9), find the value of n so that point C (n,2) is equidistant from points A and B.
No, the 2 is not a typo, it is not -2
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