06/22/18

dividing pies
You have a business divided into 3 equal pieces. One of these pieces is divided between 2 people. One of these people decides to leave the business, cash out, taking his 1/6 of the shares with him.... more
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06/21/18

Which functions domain consists of all real numbers except -2?
A. F(x) = 1/x+2 B. f(x)=2x C. f(x)=2x-2 D. f(x)=1 square root\x+2
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06/21/18

Word problem answers
A college football game is played to a sell-out crowd of 21 comma 500 people. Student tickets are $3 while general admission tickets are $5. A total of $78 comma 500 was collected from ticket... more
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06/21/18

Find the coordinates of the y-intercept of the line −3x+5y=20
answer format: (0,0)  Find the coordinates of the y-intercept of the line −3x+5y=20
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06/20/18

Six more than eight times a number is equal to 15.
Six more than eight times a number is equal to 15.  what would be the equation to that?
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06/20/18

how many of each does he have?
Ronald has been saving his winning lottery tickets. He has 23 tickets that are worth a total of $175. If each ticket is worth either $5 or $10, how many of each does he have?
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06/20/18

i have a solution of 70% acid in water solution (70% is acid). How much water to add, to dilute it to 10%?
i have a solution of 70% acid in water solution (70% is acid, 30% is water). How much water do I add to this solution, to dilute it to a 10% acid solution? (Assume I start with 1 tablespoon of my... more
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06/19/18

Does the probability of choosing the Apple and increase or decrease with the passage of time
If a person is offered An Apple and a orange 30 times A-day for 22 years and that person only picks the Orange every time does the  Probability of the person picking the Apple increase or decrease... more
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06/19/18

Story problem
Maria's credit card bill is  $420.50. Part of the bill is from the previous month's balance, part is new charges, and part is from a late fee of $39. The previous balance is  $172.40 less than the... more
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06/19/18

Find the probability that you are not dealt a card with number from 3 to 8
Find the probability that you are not dealt a card with number from 3 to 8.   Help please. Thank you
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06/19/18

is (-6,-3) (5,-4) (-3,-6) (-4,5) a function?
I need help and don't know the answer  
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06/18/18

ASK A QUESTION Michael cycle the distance of 12 5/6 miles and 2/3 hours what is his cycling unit rate in miles per hour?
7TH GRADE MATH
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06/17/18

Question asking the speed of and object compared to another
A Plane can fly 480 miles in the same time it takes a car to go 180 miles. If the car travels 100 miles per hour slower than the plane find the speed of the plane?
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06/17/18

express as a rational number in the form a/b where a and b are integers and b≠0
1.) 14 2.)  -8 3.) 0.3 4.) -0.75 5.) 1 1/2  
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06/17/18

Claire sells her stamp collection for $1600. With a given 25% profit from the amount she bought it for 2 years ago. What’s the original price?
Claire sells her stamp collection for $1600. This gives her a 25% profit on the amount she bought it for, 2 years ago. What was the original price she paid for it?
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06/17/18

Why the answer is 1:500 but not 1:250000
The actual area of a playground is 900m2.If the area of the playground on a map is 36 cm2,then the scale of the map is? i thought the answer is 36:900*100*100=1:250000 but is wrong
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06/16/18

College Algebra
The rate of fingernail growth depends on many factors, but in adults nails grow at an average rate of 3 millimeters per month. If a nail is initially 10 millimeters long, find a formula that gives... more
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06/16/18

College Algebra Word Problem
When a skydiver jumps from an airplane, her downward velocity, in feet per second, before she opens her parachute is given by the formula below, where t is the number of seconds that have elapsed... more
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06/16/18

Probability of picking a red marble from a bag containing red and blue marbles.
I have two bags that each contains 100 marbles. Bag 1 has 70 red and 30 blue marbles. Bag 2 has 60 red and 40 blue marbles. I pick one marble randomly from Bag 1 and put it into Bag 2. Now I pick... more
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06/16/18

Expected Value w/o replacement
Jack and Jill each have a bag of balls numbered 1 through 25. Jack draws 17 balls without replacement from his bag and Jill draws 20 balls without replacement from her bag. If they both draw the... more
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06/14/18

Multiplying Fractions
A leaky pool loses 2 1/4 inches of water each day. Jermaine and Mildred are asked to determine the change in the amount of water in the pool over 5 days.
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06/14/18

Math word problem question
compuwork, a computer repair company, charges a fee and an hourly charge. After two hours, the repair bill is $130, and after five hours it is $250. Write an equation in slope intercept form to... more
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06/14/18

g(x)=(2x−5)^3 and h(x)= square root cubed of x +5/2
are functions g(h(x)) and h(g(x)) inverses?
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06/14/18

An equilateral triangle is inscribed in a circle, the radius is 21 inches what is the side length of the triangle to the nearest inch?
The triangle is equilateral inside a corcle and the radius is 21 inches and all sides are the same length.
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06/14/18

7. Kim works on social studies homework for 2 2 hours. Then, she works on math homework for 1 1/4. How many total hours does Kim spend doing homework?
. Kim works on social studies homework for 2 2/5 hours. Then, she works on math homework for 1 1/4. How many total hours does Kim spend doing homework?
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