01/12/15

The eight members of the chess club have a tournament in which every player plays a game against every other player. How many games are there in the tournament?
The eight members of the chess club have a tournament in which every player plays a game against every other player. How many games are there in the tournament?
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01/12/15

Word Problem
A volleyball league organizer collected $2,040 for both divisions of volleyball teams. The Blue division costs $160 per team and the Red division costs $180 per team. How many teams will play in... more
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01/12/15

X and y intercepts of -2x+7y=14
What is the x and the y int of  5x-y=5
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01/12/15

simplify the expression...
For problems 1–5, simplify the expression. Answers written in decimal form will not be accepted. (NO DECIMAL ANSWERS)    1. square root of 96   2. 8 times the square root of 63 x to the fifth... more
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01/12/15

Word Problem
Two pirate ships 190 kilometers apart are headed straight toward each other—one at 50 kilometers per hour and the other at 80 kilometers per hour. A hero in a speedboat responds to the danger by... more
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01/12/15

what is maximum area of a quadrilateral that has a perimeter of 64 m
what is the maximum area of a quadrilateral that has a perimeter of 64 m  
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01/11/15

True or False
True or False        Suppose the straight lines represented by a system of two linear equations in two variables are parallel to each other. Then the system has infinitely many solutions.   If... more
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01/11/15

true or false
 A system comprising two linear equations in two variables has a unique solution if and only if the straight lines represented by the equations are nonparallel.  True or False   If you think the... more
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01/11/15

A hotel manager found that his gross receipts for the day, including a 7% sales tax, were 1932942. find the amount of sales tax collected
just a question about sales tax
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01/11/15

Find the greatest of three consecutive odd integers whose sum is 225.
Find the greatest of three consecutive odd integers whose sum is 225.
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01/11/15

Suppose your average, after taking 3 quizzes, is 76 (out of 100). What must your average be on the next 5 quizzes to increase your average to 81 out of 100?
Suppose your average, after taking 3 quizzes, is 76 (out of 100). What must your average be on the next 5 quizzes to increase your average to 81 out of 100?
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01/11/15

Write an equation to model this situation where xis the student's grade on the final exam and yis the student's average for the course.
A student's grade in a course is the average of 4 test grades and a final exam that is worth twice as much as each test. Suppose a student has test grades of 91, 82, 83, and 92.
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01/11/15

find amount of minutes
Typist X can type 20 forms per hour and Typist I can type 30 forms per hour. If there are 30 forms to be typed and both typist are put to work on the job, how soon should they be expected to finish... more
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01/11/15

counting exercises
A company has 6 officers and 4 directors (10 different people). In how many ways can a committee of 4 people be chosen if the committee must have 3 officers and 1 director?
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01/11/15

finding dimensions
A floor plan has been prepared for a new building, drawn to a scale of 3/4 inch = 1 foot. A certain area is drawn 1 and 1/2 feet long and 6 inches wide on the floor plan. What are the actual... more
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01/11/15

I can not get the hot dog amount
at a concession stand three hot dogs and four hamburgers cost $11.25; four hot dogs and thre hamburgers cost $11.50. Find the cost of one hot dog and the cost of one hamburger.
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01/11/15

How much should the shop charge per surfboard in order to maximize the monthly revenue?
A surfboard shop sells 45 surfboards per month when it charges $500 per board. The owner realized that for each decrease of $20 in price the store sells 5 more surfboards. a.How much should the... more
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01/11/15

If the perimeter of regular pentagon ABCDE is 2015 inches, what is the area of triangle BCE, in square inches? Express your answer as a decimal to the nearest h
This is just problem just a problem that I can't answer which says a lot because I can usually answer most of these kinds of math problems plz help I'm like pulling my hair out RN
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01/11/15

If the perimeter of regular pentagon ABCDE is 2015 inches, what is the area of triangle BCE
Problem given by my teacher and i have no idea how to do it.
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01/10/15

Word Problem
The minute hand of a clock is 6 inches long and moves from 3 o'clock to 5 o'clock. How far does he tip of the minute hand move? Express your answer round to two decimal places.
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01/10/15

Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -3x2 + 2x + 6.
Select the approximate values of x that are solutions to f(x) = 0, wheref(x) = -3x2 + 2x + 6.
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01/10/15

How many different number plates can you create by using 1 letter and 4 numbers?
How many different number plates can you create by using 1 letter and 4 numbers?   My answer is 26 X 10 X 10X 10 X 10 but my book answer was   26 X 10 X 10X 10 X 10 X 5      
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01/09/15

write an equation
Write the equation 5x-6y-12=0 in the slope-intercept form and then find the slope and y-intercept of the corresponding line.
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01/09/15

A pole that is 3.2m tall casts a shadow that is 1.53m long.
A pole that is 3.2m tall casts a shadow that is 1.53m long. At the same time, a nearby tower casts a shadow that is 41.5m long. How tall is the tower? Round your answer to the nearest meter.
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01/09/15

Algebra word problem, stumped??
A woman wants to measure the height of a nearby building. She places a 10ft pole in the shadow of the building so that the shadow of the pole is exactly covered by the shadow of the building. The... more
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