02/18/18

Find the volume of a right circular cylinder if the diameter of its base 14cm. And its curved surface area is 220 cm/sq
It is based on the lesson menstruation. This question is for karnataka 10std for state syllabus.
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02/17/18

Mixed factors
I have no idea how to do mixed factors: i have no idea how to approach these questionsFactorise: 3x^3 + 9x^2- 3x -9   x^4 - x^3 + 8x - 8
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02/16/18

Compound interest
Compound interest; find the number of yearsEquation given: A = P(1+R/100)x A= amount of money accruing after x yearsP= principal amountR= rate % per annumx= number of years for which the money is... more
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02/16/18

how do you find the vertex form using points on the graph
The red birds flight is reprsented on the praph with only three sets of data points and the points are (0,0) (32,0) (16,25)
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02/16/18

Find k if x^3+6x^2+kx+12 is divisible by (x+4)
Please help me find k!
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02/16/18

Each side of the square is 5 the square is dilated by a factor of 4. What is the length of the dilated square?
each Side of the square is 5 and the square is dilatied by 4 what is the length 
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02/16/18

Word problems
The denominator of a fraction is three more than the numerator. If five is subtracted from both the numerator and the denominator, the resulting fraction is 1/2. Find the original fraction
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02/16/18

What is the sum of the first 7 terms of the geometric series:
-8 + (-4) + (-2) + (-1) + (-1/2)+...
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02/16/18

A piece of machinery valued at $100000 depreciates at a fixed rate per year. After a certain number of years it is valued at $45000.
How long did it take the machinery to depreciate if the rate is 5%
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02/16/18

The first 100 counting numbers are arrangedin columns as shown. What would be the sum of all numbers in column c?
Set up like this   A     B     C     D     E 1     2     3     4     5 10   9     8     7     6 11   12   13   14   15 20   19   18   17   16   we have answer of 968 but we wrote it all out... more
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02/16/18

If csc theta = -5/4 on the interval (3pi/2,2pi) find tan theta
I dont understand how to set up this question or solve it  
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02/16/18

A copy machine makes 44 copies per minute. How many copies does it make in 3 minutes and 45 seconds?
HELP ME PLZ
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02/16/18

.Find the height of the A2 sheet of paper to the nearest tenth of a centimeter
The dimen
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02/16/18

Word problem
Smith engineering is in the process of reviewing the salaries other surveyors. During this review, the company found that an experience Surveyor can survey a roadbed in 3 hours. An apprentice needs... more
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02/16/18

distance/rate/time linear equation
A child is running on a moving sidewalk in an airport. When she runs against the sidewalk's motion, she travels 52ft in 13 seconds. When she runs with the sidewalk's motion, she travels 66ft in 11... more
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02/16/18

4 times a number plus 3 is the same as 2 times that number minus 11.
what is it
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02/16/18

She started her savings with $50 and is now saving the same amount each week. After 6 weeks, she has saved $140. How much money is Olivia saving each week?
what is the answer
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02/16/18

If f(x) = -7x + 5x2 + 10, what does f(-2) equal?
This one is really difficult and I haven't learned this in school. I just don't understand this.
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02/16/18

What does 2(y+3)-6=3(2-y)
I'm learning pre-algebra and am having a bit of trouble. I'm in 8th grade and need help. if you do know the answer please show me how you got said answer. 
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02/16/18

What is the inequality of the expression Y is at least half the number of X
Large nunumb of boxes is Y and the small number is X 
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02/16/18

A bank teller has t ​dollars, all in 5 dollar bills. How many 5 dollar bills does the teller​ have?
I can't figure out this question.
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02/16/18

Because he did not have a full time work he could not get these things for his family
can you say what is the subject and predicate in the above sentence  
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02/15/18

Two cars math question
Having trouble with:   Two cars traveled for the same amount of time. The red car traveled 270 miles and the silver car traveled 180 miles. The red car drove 20mph faster than the silver car.... more
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02/15/18

Determine the length and width of the cardboard to be manufactured.
A paper company makes rectangular pieces of cardboard for packing computers. The sheets of cardboard are to have an area of 135 square inches, and the length of a sheet is to be 9 inches more than... more
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02/15/18

How many seconds will it take the bundle to reach the ground?
h(t)=400-16t^2
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