01/14/15

Parts of a pie
 I made a pie.  My brother ate 1 third of it, and my sister ate 2 fifths of it.  How much less did my brother eat than my sister?  I need to  know how to solve this in long math .  Please Help.
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01/14/15

a cyclist travels at a rate of 20 km/hr for 30 minutes. the rider takes a half-hour lunch break and then proceeds to travel 30 km in the next 60 minutes. what i
a cyclist travels at a rate of 20 km/hr for 30 minutes. the rider takes a half-hour lunch break and then proceeds to travel 30 km in the next 60 minutes. what is the bicyclist's average speed over... more
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01/14/15

Since the angle measures remain the same in rigid motion, we consider the angle measures to be ______________.
I do not know the answer to this question.  We have a student teacher, I bombed the test and I trying to correct my test to a passing grade.
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01/14/15

how doi do this????
mymathhomework says 3(1+3x) and i have to figureout how to maltiply 3*3x and 5 hve n65dea h6w t6d6 5t
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01/14/15

The volume of a cone is 218 cubic centimeters and the height of the cone is 13 centimeters. What is the radius of the cone to the nearest whole number?
I have no idea please help!!
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01/14/15

what section of the periodic table to colorless, odorless, and nonreactive gases go in?
I need help!!!
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01/14/15

Graph the following values of temputers (c) and solubility of sodium chloride in water (g/100ml)
Graph the following values of temputers (c) and solubility of sodium chloride in water (g/100ml) a.0c,5g/ml b. 15c, 12g/ml c.20c, 20g/ml d. 25c, 225g/ml e. 30c,32g/ml
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01/14/15

If a and b are odd integers, which of the following must also be an odd integer?
(A+1)b (A+1)+b (A+1)-b
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01/14/15

Elevation of a place in negative meters
Need to see this problem worked out longways  If a quarry has an elevation of about -20 meters,  and a basin is about 4.3 times as far below sea level, what steps do I use to find the elevation of... more
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01/14/15

what angle in the first quadrant could you reference to help you find the sine and cosine of each of the following angle
330 degrees
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01/14/15

Twelve and three tenths more than five and thirteen thousandths of a number d is equal to fifteen and three hundred two thousandths. What is the value of d?
It is math. Using variables and fractions.
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01/13/15

The circumference of the base of a right circular cylinder is 176 cm and it is 1 m high.
The circumference of the base of a right circular cylinder is 176 cm and it is 1 m high. Find the lateral surface area of the cylinder.
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01/13/15

A cuboidal tin open at the top has dimensions 20 cm x 16 cm x 14 cm.
A cuboidal tin open at the top has dimensions 20 cm x 16 cm x 14 cm. What is the total area of a sheet of metal required to make 10 such tins.
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01/13/15

assume jenny rode her bike 88 feet in 6 seconds how far would she ride in 5 seconds?
jenny was riding her bike along a path assume she was riding at a constant speed. if she rides 88 feet in 6 seconds how far will she ride in 5 seconds?
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01/13/15

Prove the following trig identity
sin^2x-cos^2x/sinxcosx = tanx-cotx
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01/12/15

What is the unit rate for 12 cans for $3.99
I can't remeber how to do unit rates
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01/12/15

A bag contains 9 marbles: 5 are green, 2 are red, and 2 are blue. Charmaine chooses a marble at random, and without putting it back, chooses another one
A bag contains 9marbles: 5are green, 2are red, and 2are blue. Charmaine chooses a marble at random, and without putting it back, chooses another one at random. What is the probability that the... more
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01/12/15

How do I check my results from this equation? -4x=36. I have the solution I think, but I am unsure. The solution I have is x= -9.
I am having issues with remembering the steps I need to take to solve, and check my problems. I have never had algebra before, and I am finding it to be a little difficult for me.
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01/12/15

What are some common signs of a chemical change?
like some examples would really help????
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01/12/15

maximum heigth ball reaches
the path of a baseball after it is hit is modelled by the equation h=-4.98x²=12.51t+1.36, where h is the height, in meters, of the ball and t is the time, in seconds, after the ball is... more
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01/12/15

equation y=-5x+1
I am trying to determine the degree, domain, range, coordinates of x-intercepts, coordinates of y-intercepts, end behavior and number of turning points?
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01/10/15

Bob is 8 years older than Sue. 4 years ago, Bob was twice as old as Sue. What is the sum of their current ages?
make sure to define your variable, write an equation, and solve the equation.  
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01/10/15

how do I combine the like terms in this equation -16y -9x = 7x
How do I combine the like terms in this equation -16y -9x = 7x? I am forgetting the steps, because this is all new to me it is all getting jumbled in my head.
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01/10/15

Word Problem
The minute hand of a clock moves from 3 o'clock to 6 o'clock, or 1/4 of a complete revolution. Through how many degrees does it move?   (I must show my work)
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01/10/15

girls outnumber boys by 170 at a recent math symposium. if the ratio of girls to boys was 7:5, how many students attend the symposium?
Thank you for your help.
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