08/22/16

Graphing Inequalities
Randy has a coupon for 20% off any purchase, with a maximum discount of 15%. What is the highest purchase price that will receive the full 20% discount? Write an inequality to help you solve the... more
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08/22/16

State the domain and range of the following relation and determine if it is a function
(3, 9) (-4, -9) (-4, -3) (7, -2) (5, -6) (-4, 113)
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08/22/16

find the probability of drawing 4 white balls and 2 black balls from a bag containing 6 white balls, 4 black balls and 1 red ball, drawing 6 at random
I just can't do it, I don't know how to do it
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08/21/16

the volume of a rectangular prism can be found using V=lwh solve for W
I NEED HELP  please 
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08/21/16

write 3x+2y=8 so that y is a function of x
someone please help 
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08/21/16

can the expression 2x+4 be simplified to 6x? why or why not
can someone please help me with this question I've been doing it for hours and i don't understand it 
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08/21/16

what are the like terms in x ,2xy,-3x and 4
i need help with this question for my honors geometry summer homework and its due tomorrow and its the only problem i have left 
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08/21/16

Algebra 1 Word Problem
That average weight of the top 5 caught at a fishing tournament was 12.3 pounds. Some of the weights of the fish are 12.8, 12.6, 11.8 and 9.7.  What was the weight of the heaviest fish?
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08/21/16

Permutation and combination
Can anybody tell me how to determine whether a particular sum relates to permuatat or combinat?what is the major difference and what are the clues that indicates that a sum requires permutation... more
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08/21/16

water is wasted everyday, then the water last for 50 days only. How many days will the supply
A water tank has sufficient water for 60 days. If 50 litres of water is wasted everyday, then the water last for 50 days only. How many days will the supply last if 350 litres of water is wasted... more
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08/20/16

gina is 9 years younger than her sister, bridgette. two years ago, bridgette was twice as old as gina was. how old is gina
I need help answering this math problem 
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08/20/16

Permutation and combination
There are 5 doors to a room. Two are red and the others are green. In how many ways can a person enter the room and leave the room from different coloured doors? 
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08/20/16

-v+5+6v=1+5v+3
I've been trying but can't seem to find the right answer.
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08/20/16

Value of x
There are x number of teams in a certain league. Each team plays against the other teams only once. 2 teams play one match and the total number of matches are 28. what is the value of x? 
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08/19/16

65% students do algebra 35% do geometry 30 students do both 15% do neither What is the total number of students?
65% students do algebra35% do geometry 30 students do both 15% do neitherWhat is the total number of students?
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08/19/16

High school maths
Suppose Doug kicks a soccer ball straight up into the air with an initial velocity of 96 feet per second. The function h(t)=-16t^2 +96t gives the height, in feet, of the soccer ball after t... more
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08/19/16

When tom simplified the expression -2.6 + (-5.4) he got 2.8. What mistake did tom likely make?
Can you also tell how you got the answer
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08/19/16

Math question please read description
A garden is made up of 20m by 10m rectangle which is planted with grass and two semicircular vegetable patches on each short end of the rectangle. Where should I draw the semi circles in or outside... more
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08/18/16

Which statement can be used to fill in the numbered blank space?
In ΔABC shown below, Line segment AB is congruent to Line segment BC:Triangle ABC, where sides AB and CB are congruent Given: line segment AB≅line segment BCProve: The base angles of an isosceles... more
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08/18/16

storing heating oil
a home has a tank for storing heating oil outside it is a cylinder with a radius of 4 feet and a length of 12 feet. what is the capacity of the oil tank rounded to the nearest cubic foot
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08/18/16

how to simplify when there are 3 variables to the power involved. Fractions?
(x to the power 2 y power 3)power of 4 (y power of 4)p0wer 0  z power -2 divided by (xz power 2)power3) y power -5?
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08/18/16

For a recent Congress, there were 10 more Democrats than Republicans in the U.S. Senate. This resulted in a ratio of 11 Democrats to 9 Republicans. How many sen
For a recent Congress, there were 10 more Democrats than Republicans in the U.S. Senate. This resulted in a ratio of 11 Democrats to 9 Republicans. How many senators were Democrat and how many were... more
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08/18/16

What is the probability of you getting something that only has a 5% chance if you do it 14 times?
(Maybe I worded it bad, but if you get what im trying to say help me out.)
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08/18/16

The sum of three numbers is 798. One of the numbers,x, is 80% more than the sum of the other two numbers. What is the value of x?
A)570 B)513 C)214 D)155
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08/18/16

The sum of two numbers is 45 the first is 9 less than the second find the numbers
I need to know how to break this down into an equation
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