02/07/18
Each side of a square is lengthened by 1 inch. The area of this new, larger square is 121 square inches. Find the length of a side of the original square.
Each side of a square is lengthened by 1 inch. The area of this new, larger square is 121 square inches. Find the length of a side of the original square.
02/07/18
Each side of a square is lengthened by 1 inch. The area of this new, larger square is 121 square inches. Find the length of a side of the original square.
Each side of a square is lengthened by 1 inch. The area of this new, larger square is 121 square inches. Find the length of a side of the original square.
02/07/18
write the formula for the exponential function
write the formula for the exponential function whose initial value is 5 and decreases with a continuos rate of 15%. Then sketch the graph of the function.
02/07/18
The mean of following distribution is 50.Find the value of a and hence frequency of 30 & 70.
x=10, 30, 50, 70, 90
y= 17, 5a+3, 32, 7a-11, 19
02/06/18
Solving problems with equations.
Chelsey wants to join a fitness club. The fitness club charges an initial membership fee of $55 and a monthly fee of $19.50. She has $250 to spend. Write and solve an equation to find the number...
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02/06/18
I need help solving this problem on linear systems
You bought 15 one-gallon bottles of apple juice and organge juice for a school dance. The apple juice was on sale for $1.20 per gallon bottle. The orange juice was $2 per gallon bottle. You spent...
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02/06/18
a store owner who bought comforters for x dollars is marking them up 60%
Please help. a store owner who bought comforters for x dollars is marking them up 60% write two expressions that represent the selling price and show that they are equivalent
02/06/18
Bricks are delivered to a work site and stacked in rows and columns, forming a rectangular prism. The length of the prism is 1 foot greater than its width, a
Bricks are delivered to a work site and stacked in rows and columns, forming a rectangular prism. The length of the prism is 1 foot greater than its width, and its height is 2 feet less than its...
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02/05/18
Probability of selecting a class that runs between 50.75 and 51.0 minutes
A professir plans classes carefully that the length of her classes are uniformly distributed between 48.0 and 58.0 minutes
02/04/18
Find the angle θ such that 2θ + sin θ = cos θ
In this problem angle theta must be greater than 0 and lesses than 2 pi
02/04/18
How many arenas with a capacity of 50,000 would this population fill? ________________
1.In your Sociology class you learned that presently in 2017 there are approximately 2.2 million prisoners. How many arenas with a capacity of 50,000 would this population fill?...
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02/03/18
70% of all children live with a dog. If 25 children were selected at random, what is the probability that at most 10 of them will be living with a dog?
70% of all children live with a dog. If 25 children were selected at random, what is the probability that at most 10 of them will be living with a dog?
02/03/18
functions question
Checking Account. To keep a checking account, a local bank charges $10 per month plus 5¢ per check. Write an equation for the monthly charge P in terms of the number of checks n written per month.
02/03/18
What was the speed of the wind? What was the speed of the plane in still air?
Against the Wind a small plane flew 210 miles in one hour in 10 minutes. The return trip took only 50 minutes. What was the speed of the wind? What was the speed of the plane in still air?
02/03/18
[NVM I FIGURED IT OUT] You work a shift from 9.00pm to 5.30am, you get paid $11.40/h before midnight and $13.75/h after, what is your income?
This is kind of an easy question and for the most part I've figured it out,
(11.40 x 3 = 34.20
13.75 x 5__ = ____
add them together, etc.)
The problem I actually have is that I've completely...
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02/02/18
word problems
There are 5400 mammals on Earth. 5/7 of these mammals are aerial mammals and 1/45 of them are marine. What fraction of the mammals are aerial or marine mammals?
how many species of mammals fit...
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Math chances question
A multiple-choice test has 100 questions, each with four possible answers. Each ques- tion is worth one point, and no points are taken off for incorrect guesses. Someone decides to take the test by...
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02/01/18
The figure below is a rhombus . What are the measures of x and y if z=54 degrees?
can ya please help me with this question . Thank you !!! This is a geometry topic
02/01/18
Let the graph of g be a vertical stretch by a factor of 3, followed by a translation 2 units left of the graph of f(x)=2x√−1
I worked it out and got 6√(x+2)-1 and got it wrong if anyone can help me find my error I would appreciate it.
02/01/18
calculus question dimensions
a box with an open top has a square base and four sides of equal height. The volume of the box is 441 feet cubed. the height is 2 feet greater than both the length and the wdth. If the surface area...
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02/01/18
calculus question dimensions
a box with an open top has a square base and four sides of equal height. The volume of the box is 441 feet cubed. the height is 2 feet greater than both the length and the wdth. If the surface area...
more
02/01/18
find the lamppost at the park
To find the height of a lamppost at a park, Rachel placed a mirror on the ground 20 feet from the base of the lamppost. She then stepped back 4 feet so that she could see the top of the lamp post...
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