07/24/16

What number can be added to make it a perfect square trinomial?
Find the number to add to x^2-18x to make it a perfect square trinomial. Write that trinomial as the square of a binomial. 
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07/24/16

What will Zach's total investment be worth at the end of the 30 years?
If ZACH commits $4,500 to an IRA each year for 30 years and receives 6% interest, what will ZACH’s total investment be worth at the end of the 30 years?
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07/24/16

solving matrixs
Use the matrix capabilities of a graphing utility to write the augmented matrix corresponding to the system of equations in reduced row-echelon form. Then solve the system. (If there is no... more
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07/24/16

rainstorm question
Greg drove at a constant speed in a rainstorm for 245miles. He took a? break, and the rain stopped He then drove 240miles at a speed that was 5miles per hour faster than his previous speed. If he... more
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07/24/16

How to show?
Show that nCr = nCn-r .Without the use of tables or a calculator, evaluate 20C3.
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07/24/16

i have doubt about math rule
for example (120x+22)/3=(300x+25)/6 (120x+22)/3*6/(300x+25) (120x+22)*2/(300x+25)(240x+44)/(300x+25) now (300x+25)this term goes other side (240x+44)=(300x+25)            44-25=300x-240x    ... more
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07/24/16

Please help me with algebra
State the number of solutions: X squared = -4?    Please explain this, Thankyou.
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07/24/16

please help me guys!!! it's emergencyyyyyy
 is this sentence structure " It's huge message, i couldn't type" correct? and just explain me the meaning of this sentence.
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07/24/16

State the number of solutions: x2=3917
Please help me ASAP...         Thanks
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07/24/16

identify the slope and y-intercept for the linear equation 2y=3x+12
I need to know what will be the slop and y-intercept 
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07/24/16

Geometric Series
1. Find the sum: (1/√1 + √2) + (1/√2 + √3) + (1/√3 + √4) + ... + (1/√99 + √100)
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07/24/16

What will the balance be after the three years
the interest on a bank savings account is compounded continuously, with an annual interest rate of 8%. If a deposit of $4000 is made, then determine the balance after 3 years
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07/23/16

There are two factors of -36 such that one factor is 11 less than half of the other factor
Choose all the pairs of these factors.   -2 and 18,  -6 and 6, 3 and -12, 4 and -9
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07/23/16

Is the ordered pair (-2,1) a solution to the system. 2x+3y=-1 -4x-y=7
Is the ordered pair (-2,1) a solution to the system. 2x+3y=-1 -4x-y=7
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07/23/16

How do I answer this word math problem
The nutrition information on the cereal box says that a1/2?-cup serving provides 150 calories and 3 grams of dietary fiber. At that? rate, find how many calories and grams of fiber are in a 2/3cup... more
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07/23/16

evaluate the limit
lim (1+4x)^3/x as x goes to 0
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07/23/16

evaluate the limit
lim(x-√(x^2+1)) as x goes to infinity 
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07/23/16

If cos(theta)=-1/3 and theta is in the interval [pi, 3pi/2], then find the value of sin(theta).
Please help with this question!
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07/23/16

Factor completely. If Polynomial is prime , state this.
Factor completely. If Polynomial is prime , state this.-20+31x-12x^2
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07/23/16

Measurement Volume
It was discovered nine days later that one of the 500 ml containers had been leaking at a rate of 20 ml a day. How much oil would be left in that container?
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07/23/16

Find the 4th term if the sequend in which a1 = 2 and an+1 = -4an + 2.
Find the 4th term if the sequend in which a1 = 2 and an+1 = -4an + 2.  
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07/23/16

How do I answer this word math problem
A survey of students at a university shows that 3 out of 4 drink coffee. Of the students who drink? coffee, 1 out of 5 adds cream to it. If the university has 10,000 ?students, find the number of... more
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07/23/16

Differentiate the following functions y = x^3+?6x?^(-4)-?4x?^(1/2)+ 10 y = (?6x?^3+?4x?^2+3)(?2x?^2-?4x?^(-2)+5)

Differentiate the following functionsy = x^3+?6x?^(-4)-?4x?^(1/2)+ 10 y = (?6x?^3+?4x?^2+3)(?2x?^2-?4x?^(-2)+5)
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07/23/16

kindly see discription
(a) Given the a system of simultaneous equation below, x + 3y + 3z = 3 x + 4y + 3z = 8 x + 4y + 4z = 2i. Express the system in matrix form ii. Using any of the matrix methods find the solutions... more
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07/23/16

kindly see discription
A city has three newspapers A, B and C. Of the adult population, 1% read none of these newspapers. 36% read A, 40% read B, 52% read C, 8% read A and B, 11% read B and C, 13% read A and C and 3%... more
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