12/15/15

this needs to be solved by "solve with elimination"
-3x-y=8 7x+y=-12
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12/15/15

art, educatiion, and science flourished during what dynasty
 i dont know the question  
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12/14/15

TRIGONOMETRY: Which one of the two angles, ?A and ?B, is greater?
If I had two right triangles that each were labeled A, B, C as well as a, b, c with three numbers on the outside, how would I find the angle that is greater?
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12/14/15

There are about 8.6 ×?10?^9 bytes in a gibibyte of digital information. How many bytes are in five gigabytes?
How would I go about starting this problem? How would I know when I am correct? What functions should I use to solve this formulated problem
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12/14/15

Write a system of equations to represent each of the following situations
A jar of dimes (d) and quarters (q) contains $15.25 there are 103 coins in all How many of each are there?
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12/14/15

one integer is four times another. if the product of the two integers is 36, then find the integers
I need the answer to this question 
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12/14/15

if I have 1 number out 1000 number overall probability question
if I have 1 number out 1000 numbers in a lottery my chance to win would be 1/1000 to win BUT if I play the same number for 28 days straight what would be my overall probability to win if I have a... more
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12/14/15

How do you find cot of 180 degrees?
This is a unit circle problem and please include the steps to solve the problem. 
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12/14/15

Having problem setting this up and solving
Your new hybrid car gets 40 mpg in the city and 32 mpg on the highway. The amount of gas you use, G(in gal), is given by G=1/40c + 1/32h where c is the number of city miles driven and h is the... more
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12/13/15

What is the answer to this word problem, I'm desperate.
tatiana wants to run 5 miles at an average pace of 9 minutes per mile. after 4 miles, her average pace is 9 minutes 10 seconds. in how many minutes must she complete the the final mile to reach her... more
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12/13/15

Math equation help/division and exponents
5z5 -z3+5z2-14z-10          z2-2   Divsion   This is the answer that it should be but i cant arrive at it   5z3+9z+5+4z                 z2-2
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12/13/15

Ritcher Scale Question
An increase of 1 in magnitude on the ritcher scale represents a tenfold increase in intensity. An earthquake registered 7.4 is followed by an after shock 1000 time less intense. What is the... more
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12/13/15

m% of p% of n?
Well the way I tried doing it didn't work so, I need help!
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12/13/15

Find a number that is 15 more than 4 times its opposite
Need help with this problem.
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12/13/15

Wrote An Equation Of The Line In Slope Intercept Form
forgive me for being stupid, but I seriously have no idea how to solve this..  The question is: Write an equation of the line in slope intercept form that passes through the point and givem... more
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12/13/15

Write this expression as a single term that doesn't contain a logarithm
Use the properties of logarithms to write the following expression as a single term that doesn't contain a logarithm   e^3-2ln(X)+ln(Y) (note: everything after the ^ is superscript to the e
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12/13/15

which expression can be used to substitute for y in the second equation
1st equation- 3x+y=14 2nd equation- x+4y=3   Which expression can be used to substitute y in the second equation    A) 3-4y  B) 3-x   C) 14-y/3  D) 14-3x 
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12/13/15

Find the complex zeros of the function
f(x)=x^4-4x^3+8x^2-16x+16
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12/13/15

Simplify (2x + 5y) + (3x – 2y)
Simplify (2x + 5y) + (3x – 2y)
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12/13/15

What is the degree of the polynomial 2x9 + 7x3 + 191?
What is the degree of the polynomial 2x9 + 7x3 + 191?
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12/13/15

m% of n?????
helpppppppppppppppppppppppppppppppp
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12/13/15

By what percent will the product of two numbers decrease if one of them is decreased by 25% and the other is decreased by 50%?
This answer is in percents(%).
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12/12/15

How old were bones at time they were discovered?
A scientist determined that the bones from a mastodon had lost 82.8% of there carbon-14. How old were the bones at the time they were discovered?
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12/12/15

can you calculate the mode of a distribution using only the standard deviation and mean?
Stats question asking me to calculate the mode of a frequency, but only information given is the mean and the standard deviation. Is this possible? 
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12/12/15

y=-3/4×+4 please help
I have had so much trouble with this I know that -3/4 is the slope and 4 is the yintercept I keep getting points 0,4 and 1,5 but I check and it's wrong please explain if I'm doing something wrong... more
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