05/12/15

What does it mean to factor a number?
please add an example for further understanding   :)  
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05/12/15

algebra question
a circle is graphed with its center on the origin. the area of the circle is 144 square units. what are the coordinates of the x-intercepts of the graph? round to the nearest tenth.
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05/12/15

evaluate 5m^0 when m=17
evaluate 5m^0 when m=17
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05/12/15

Without using a calculator, find two angles between 0 degrees and 360 degrees that have a sine ratio of -1/2.
Find 2 angles that have a sine ratio of -1/2. 
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05/11/15

Half Life Word Problem
What is the half-life (to nearest tenth of an hour) of a substance if 100g decays to 27g in 24h?
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05/11/15

question is in description
A botanist finds that the life expectancy of a certain plant is 25 years with a standard deviation of 2.5 years. If the lifespans are normally distributed, what would be the lifespan of a plant... more
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05/11/15

do solutions to systems of linear inequalities need to satisy both inequalities
Just trying to understand the basic facts about linear inequalities and how the system of linear inequalities work.  Can they have many solution sets or just one solution? Do the system of linear... more
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05/11/15

A bacteria culture initially contains 1500 bacteria and doubles every half hour.
Find the size of the baterial population after 80 minutes._____ Find the size of the baterial population after 10 hours.______
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05/11/15

help me answer these two questions asap please I've gotten stuck and confused
√6x  +7 =√7x+7   +6            6x , 7x and +7 are all under a radical   and..   7√x2+3x-1   +8 =5                    x2+3x -1 are all under the radical
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05/10/15

Doubling Time
You deposit $500 in an account that pays 6% annual interest, compounded continuously. How long before your balance doubles?
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05/10/15

Write 2tan25°1-tan225° as a trigonometric function of one number.
    2tan25°   --------------    1−tan225°   That's the best way I know how to format it.
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05/10/15

A basketball player makes about 50% of his free throws. Suppose he is awarded two free throws. What is the probability that he makes both?
I tried and tried. but my answers just don't match up with the question
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05/10/15

how do you write a word phrase for 36 - x
write as a word phrase 36 - x  
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05/10/15

Question in description
As of July 2004,the population of the US was 293,027,571.if more than half of these people live within 80 km of an ocean about how many people live within that distance?
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05/09/15

cot tetha = cos tetha
can someone please try to find q1 2 3 and 4
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05/09/15

2sin-3csc=-5
please someone help me find q1 2 3 and 4
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05/09/15

Providing an appropriate response
A student wished to use a table of areas for the standard normal curve to find the z-score having an area to its right of 0.52. The student started by looking for the closest area to 0.52 in the... more
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05/09/15

A ramp is constructed so that the base is the same length as the height. If the surface of the rampis 57 inches long, how tall is the ramp?
You can round the answer to the nearest inch. 
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05/09/15

Solve for x squared
Solve for x2:   a1b1/x1=a2b2/x2
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05/08/15

Find an angle between 0°and 360°that is coterminal with 785°?
Find an angle between 0°and 360°that is coterminal with 785°:
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05/08/15

how do you write a quadratic equation for area
A rectangular corral is to be built by stringing an electric fence as with Y feet for a side and X feet for each of the two sides perpendicular to the river. The total length of fence is to be 900... more
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05/08/15

Is the sentence "The bottom of the walls in the hall is brown." correct or incorrect?
Is the sentence "The bottom of the walls in the hall is brown." correct or incorrect?   Currently in a massive grammar/literacy fight with my roommate over this.
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05/08/15

Need help solving
you decide to invest 5?000 into an account with an annual interest rate of 6.5%. A.) write an question to represent the balance of your account x years later B.)what does this represent growth of... more
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05/08/15

Find the exact value of cos(11p/8)
Find the exact value of cos(11p/8)A) √(2+√2)/4B) √(2-√2)/4C) - √(2-√2)/4D) -√(2+√2)/4     I think it is either c or b       To solve the equation 3sin(2x)=5cosx you should rewrite it as: a)... more
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05/08/15

You want at least three bratwursts or hamburgers for each of your 35 guests. Bratwursts cost $1.3 each and hamburgers $1.2 each. Your budget is $150.
Let x be the number of bratwursts and y the number of hamburgers. which system of inequalities represents this situation?
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