07/13/17

How to solve this quadratic equation with the quadratic formula?
I've been having trouble with this problem: x2 + 2x = 8 So far this is what I got: -2±√-28-----------     2  However I'm not too sure what to do next, help?
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07/13/17

Use the order of operations and the digits 2,4,6,8 to create an expression with a answer of 2.
You can add exponents and/or negative signs at will.
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07/13/17

Summation of infinite series
Find $\frac{3}{2^2(1)(2)}$ + $\frac{4}{2^3(2)(3)}$ +....+ $\frac{r+2}{2^{r+1}(r)(r+1)} +.... up to infinity.
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07/12/17

Write the equation of the line that passes through (3, −2) and has a slope of 4 in point-slope form
 i need help  
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07/12/17

the difference between two numbers is 18. three times the larger number plus twice the smaller is 74. find the two numbers
i don't understand how to do this
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07/12/17

time it takes pipes to drain a pond
Nine large pipes will drain a pond in eight hours and six small pipes will drain the same pond in sixteen hours.  How long will it take 3 large pipes and 5 small pipes to drain the pond?
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07/12/17

A child who is 1 m tall child is facing a building 74.5 m away. The child can see the reflection of the top of the building in a rain puddle that is 0.5 m in fr
pls help 
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07/12/17

Find the value of k for which the first polynomial is a factor of the second polynomial
x-1;k^2-3kx^2-2kx+6
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07/11/17

Barry gets 70% on a test. If the test is out of 25, what is the mark Barry gets.
It's a problem for math it's hard to solve
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07/11/17

Consider the rectangular prism with length 4 cm, width 9 cm, and height 16 cm. If one of the dimensions is doubled what will happen to the volume?
 I need this awnsered by today.
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07/11/17

In a given amount of time, Isaac drove twice as far as Lucy. Altogether they drove 129 miles. Find the number of miles driven by Isaac.
I need help with this i am not to great at math and just do not know what i am doing.
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07/11/17

A veterinarian treated 7 dogs this morning. The list below gives the weights (in pounds) of each dog. 41, 36, 20, 36, 62, 5, 6 Find the range of the data set.
need a answer
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07/11/17

Find an equation for the line parallel to the line −6x−2y=4 having the same y-intercept as −9x−8y=−16.
I think the Input requires y=mx+b
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07/10/17

Quadrilateral vertices
Quadrilateral PQRS has vertices P(3, 2), Q(0, 4), R(-2, 1) and S(1, -1) (6 marks)a) Verify that quadrilateral PQRS is a square.b) Find the perimeter of the rectangle.
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07/10/17

Median and Altitude of a Triangle with Points
A triangle is formed from the points L(-3, 6), N(3, 2) and P(1, -8). Find the equation of the following lines: a) the median from Nb) the right bisector of LPc) the altitude from N
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07/10/17

the probability that you will win a certain game is 0.4.
The probability that you will win a certain game is 0.4. If you play the game 8 times, what is the probability that you will win at least 6 times?
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07/10/17

math question
You are mixing dried mango slices with dried pineapple to create a tropical mix. The mango costs $5.99 per pound and the pineapple costs $3.99 per pound. If you had a 5 pounds bag of the fruit mix... more
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07/07/17

distance traveled to work
when Wayne Pourciau drives his car to work, the trip takes 30 minutes. when he rides the bus, it takes 45 minutes. the average speed of the bus is 12 miles per hour less than his speed when... more
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07/07/17

What is the equation of a circle with center (-2, 3) and radius 4?
ndojwekfjikfcnjwkencfojlkxnmhklksojfjm,nfckidjlcmsbdjbmlkosjcnsd
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07/06/17

what fractions are between 1/4 and 1/3?
10 fractions between 1/4 and 1/3
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07/05/17

An NFL player has just signed a 7-year contract with his team.
To prepare for his future, he deposits $150,000 at the end of each year for 7 years in an annuity paying 4.1% compound anually. Find the future value of the ordinary annuity after 7 years.
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07/03/17

With reference to the definitions of sinhx and coshx show that: cosh^2 x-sinh^2 x =1
sinh x = (e^x-e^-x/2) and cosh x = (e^x + e^-x/2) 
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06/30/17

one number is 8 less than another. if twice the larger number is equal to 4 times the smaller number, what is the smaller number?
I am confused as to how to solve for this number
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06/30/17

What will be the length of the diagonal of the rectangle of side 6m and 8m?
Please help me to solve this...................
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06/30/17

cost question 2
The cost of printing name card is given by the equation y= k+3000/x. where y cents is the cost per card, x is the number if cards printed and k is a constant. Given that y= 10 when x= 600, (a) find... more
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