07/19/16

laborers 125
An employment agency specializing in temporary construction help pays heavy equipment operators $ 125per day and general laborers $ 87 per day. If 38people were hired and the payroll was $ 4332 how... more
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07/19/16

a1=4 , r=3
determine the first five terms and determine common ratio of R 
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07/19/16

Calculate cos³x + sin³x , if cos x + sin x = ½
Is there an Addition Theorem for (cos x/sin x) with ...³ exponents? Or just cos²x + sin²x=1 ?   Your help is appreciated. ;)
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07/19/16

Finding Missing Term on Factored Trinomial or Polynomial
How could I find out the missing term in these examples   1) __x2-9x-9 = (__x+3)(x-3)   2) __x2-19x-20 = (__x+5)(x-4)   3) __x2-17x-5 = (3x-5)(__x+1)   Please show me the complete and clear... more
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07/19/16

SAT Math Problem (13)
In the circle O which has a radius of 10, ∠AOB = 2π/5. What is the length of minor arc AB?
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07/19/16

could someone help me with this please?
4y+8x=6 -2y-4x=-3   my mindset for it was..changing the equation around to 8x=-4y+6 over -4x=2y-3   and then i thought to plug them in 8(2y-3)+4y=6 and got 16y-24+4y=6 and it didn't come out... more
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07/19/16

could someone help me with me substitution method?
x-y=3 x=2y+9     
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07/18/16

convert each equation from polar form to rectangular form.type the equation in rectangular form and state what type of graph is formed. 1.r=3sec theta 2.r
convert each equation from polar form to rectangular form.type the equation in rectangular form and state what type of graph is formed. 1.r=3sec theta 2.r=5/(cos theta -2sin theta) And convert... more
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07/18/16

Determine the cube root of 27(cos(7pi/6)+i sin (7pi/6)).There is more then one answer.
Determine the cube root of 27(cos(7pi/6)+i sin (7pi/6)). There is more then one answer.
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07/18/16

a dime is 1/2 in wide. If you put 5 dimes end to end. How long would they be from beginning to end?
hw does it mean i dont know what to do
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07/18/16

9) Complete the following sentence by filling in the blanks: To begin a Physical Fitness Program, set goals that are __________ and__________.
 9) Complete the following sentence by filling in the blanks: To begin a Physical Fitness Program, set goals that are __________ and__________.
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07/18/16

beam weight 8.7 9
The weight that can be safely supported by a? 2- by? 6-inch support beam varies inversely with its length. A builder finds that a support beam that is 6feet long will support 1000pounds. Find the... more
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07/18/16

There are (4f - 5)^2 workers in a field harvesting strawberries. How many workers are in the field? Expand the expression and simplify.
I don't know how to solve this or expand expressions, please help.
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07/18/16

NEED HELP FAST PLEASE
Your moms house is 100 miles And you're driving 50 mph how long will it take you? 
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07/17/16

What is the sum of A + B + C?
Assuming that the product of (8p − 2)(6p + 2) takes the following form:Ap2 + Bp + C What is the sum of A + B + C?
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07/17/16

Word Problem
The final exam scores for a class are plotted versus the number of TA sessions attended. The resulting scatterplot has a line of best fit with the equation:y = 3.85x + 53 where x is the number of... more
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07/17/16

Word Problem
The value of each truck that a delivery company owns is a linear function of the age of the truck. If a truck that is one year old is worth $13,750 and a truck that is 7 years old is worth $6,250,... more
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07/17/16

Word Problem
A company that sells used cars owns three dealerships. Last year, Dealership A sold 500 cars at an average profit of $1200 per car. Dealership B sold 800 cars at an average profit of $1000 per car.... more
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07/17/16

SAT Math Problem (10)
If 0 < x < 2π and 5 cos[x] = sqrt[5], what is the value of (sin[x]/3)3?
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07/17/16

SAT Math Problem (8)
If n is a positive integer and m = 2n+2 + 2n , what is 2n+3 in terms of m?
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07/17/16

Two numbers are such that one number is 42 more that the second number and their average is equal to 40. What is the larger of the two numbers?
Two numbers are such that one number is 42 more that the second number and their average is equal to 40. What is the larger of the two numbers?
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07/17/16

Assuming X is a binomial random variable, what is the probability exactly 3 cars are left unlocked?
There is a p=12.5% chance a parked car will have been left unlocked. X is the number of cars left unlocked in a parking lot with a total of 6 cars. Assuming X is a binomial random variable, what is... more
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07/17/16

Really need help understanding this log equation
Hello, Im trying to solve for x. Its been days now I try to understand but I cant seem to. I understand how to solve for x for my other problems but this one is just really tough for me. So it says... more
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07/17/16

How would I grapg this logarithm if the x is absolute ?
y=log2 |x|    I dont understand because wouldnt there be two graphs for this instead of one? Also, if i were to find the table of values , what would it be ? 
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07/17/16

Assuming X is a binomial random variable, what is the mean number?
There is a p=12.5% chance a parked car will have been left unlocked. X is the number of cars left unlocked in a parking lot with a total of 6 cars. Assuming X is a binomial random variable, what is... more
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