09/24/18

Does anyone know the answer? Pleas helpl.
120 pupils live in the student hostel. They can be subscribed to three magazines: Astronomy, Business and Florist. Each of these magazines has ordered 40 pupils. A total of 8 students were ordered... more
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09/24/18

What are the next three numbers? -2, -1, -1, 0, -1, 1, -2
I need the answer to this problem... it is a word problem and it is 20% of my grade. My professor said that you have to do a lot a work (subtraction is involved) I will only get 1/4 credit if I... more
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09/24/18

Samuel is saving money to buy a skateboard that cost $100. He is saving $20 a week. How many weeks will it take him to save enough money to buy the skateboard
Quantitive Reasoning 
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09/24/18

Registration fee and monthly fee?
Courtney paid a one time registration fee to join a fitness club. She also pays a monthly fee. After three months she had paid $315. After seven months she had paid $535. Determine the registration... more
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09/24/18

Piecewise Function: Calculus
Let f(x)={ k+4x, x≤−5              { 7x2 , x>−5   Find the constant k so that f is continuous at x=−5.
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09/24/18

compute and division
(x^(3)+2x^(2)+8)(x^(2)-3x+4)
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09/23/18

Finding the possible values for probabilities?
Consider 3 trials, each having the same probability of success. Let X denote the total number of successes in these trials. If E[X} = 0.6, find each of the following.(a) The largest possible value... more
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09/23/18

How much of that amount is needed for a stool whose linear dimensions are:
A furniture designer applies a thin glaze to the entire marble stool shown.   https://puu.sh/BzWZ8/f2ab93860d.JPG        (link to picture to stool)Cylinder stool with a height of 18 in and a... more
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09/23/18

coin tossing probability
In a study, a researcher cites the problem of three coins, one of which is biased so that it turns up heads 65% of the time. If you randomly select one of the coins, toss it two times, and obtain... more
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09/23/18

Find c+d if the roots of the cubic equation x^3-19(x^2)+cx+d=0 are three positive integers in a geometric sequence.
There is an equation x3 + 19x2 + cx + d = 0. There are three positive integer solutions to this equation, x1, x2, and x3. It is known that x1*r=x2 and x2*r=x3. You are asked to find the value of c+d.  more
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09/18/18

On a lathe, you are to turn out a disk (thin right circular cylinder) of circumference 10 inches.
On a lathe, you are to turn out a disk (thin right circular cylinder) of circumference 10 inches. This is done by continually measuring the diameter as you make the disk smaller. How closely must... more
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09/12/18

Find (fg) (x) for f(x)=2x+3 and g(x)=x+7
Calculus help
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09/12/18

Bella collected 52 hat pins. She collected 9 hat pins less than her brother. How many hat pins do they have all together. Use bar diagram
I just need help setting this up and solving for my next problem 
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09/12/18

Four is subtracted from four times some number and the result is the sum of the number and five
I do not know how to make into an equayon
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09/12/18

Find the dimensions of the patio
A rectangular patio has a perimeter of 50 feet. If the length of the patio is 5 feet less than twice the width, find the dimensions of the patio
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09/12/18

two less than three times a number is twelve less than half of the number.
dggggggggggggggggggggggggggggggggggggggggggg
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09/12/18

A tourist traveled 60% of his destination by air, he traveled 25% by train and the remainder by boat 15%.
If the distance he traveled by boat is 300 kilometers, calculate the distance to his destination.   The distance he traveled by air and express the distance travel by boat at a percentage of the... more
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09/12/18

Three times the sum of a number and 4 is greater than or equal to 18
Three times the sum of a number and 4 is greater than or equal to 18
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09/12/18

The rectangle below has an area of x^2+8x+15x square meters and a width of x+3 meters. What is the length.
it needs to be in an expression form.
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09/12/18

the length of the rectangular sandbox is 1 foot longer than twice the width of the sandbox. the perimeter of the sandbox is 29 ft
2w+2(2w+1)=29  
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09/12/18

use the following zeros to write a polynomial function
1. 3,2+√5 2. 4,1+√5 3. 2,2i,4-√6 4.3,3-i  
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09/11/18

Given the indicated parts of triangle ABC with γ = 90°, approximate the remaining parts. (Round your answers to the nearest tenth.) a = 27, b = 10.0
i cant figure this answer i pythagorean theorem to find c and it came out wrong then i use the sine rule to figure out the rest of the problem 
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09/11/18

Another question for fixed costs that is not making sense.
A manufactuing company makes specialized packaging for its customers.  The fixed cost of a production run is $20,000 and variable costs are $1.25 per box.  The company sells the boxes at $5.25... more
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09/11/18

Can someone explain a step by step for this question? I'm trying to understand what it's asking for exactly.
A consulting company quotes training sessions at $10,000 per course.  One-time fixed costs for the course are $2,000 and the student materials are $150 per student.  After so many students are... more
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09/11/18

a four gallon jug is leaked 3 ounces every 15 second. what is the unit rate
need help
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