Price per unit and demand
the price per unit, p, and the demand, x, for a particular material are related by the linear equation p=100-5/6x while the supply is given by the linear equation p=5/6x, at what value of p does... more
i don't understand
the sum of 3 consecutive numbers is 180 what is the smallest of the 3 numbers.
what are more of the multiples of 8
i want to know more about the multiples of 8
Tell whether the lines for each pair of equations are parallel, perpendicular, or neither.
Tell whether the lines for each pair of equations are parallel, perpendicular, or neither.y=-2x+4-5x+10y=5
Stellan, an alien from the planet Tellurango, shoots a flaming projectile straight up into the air from the edge of a cliff that is 28 meters high.
Stellan, an alien from the planet Tellurango, shoots a flaming projectile straight up into the air from the edge of a cliff that is 28 meters high. According to the laws of physics on his planet,... more
Justin launches a water balloon vertically from a platform on his roof. The height of the balloon (in feet) is represented by
Justin launches a water balloon vertically from a platform on his roof. The height of the balloon (in feet) is represented by the equation h=-16t^2+32t+48 where t is the time (in seconds) after he... more
The physical plant at the main campus of a large state university receives daily requests to replace florescent light-bulbs.
The distribution of the number of daily requests is bell-shaped and has a mean of 54 and a standard deviation of 6. Using the 68-95-99.7 rule, what is the approximate percentage of lightbulb... more
The heights of adult men in America are normally distributed, with a mean of 69.2 inches and a standard deviation of 2.66 inches.
The heights of adult women in America are also normally distributed, but with a mean of 64.3 inches and a standard deviation of 2.58 inches.a) If a man is 6 feet 3 inches tall, what is his z-score... more
Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C.
A single thermometer is randomly selected and tested. Find P94, the 94-percentile. This is the temperature reading separating the bottom 94% from the top 6%.P94 = _______°C
The heights of American adult males are normally distributed with a mean of 177 cm and a standard deviation of 7.4 cm. Find the range of heights that contain approximately
(a) 68% of the data______ cm -- ______ cm(b) 95% of the data______ cm -- ______ cm(c) 99.7% of the data_______cm -- _______ cm
I Need Help Quick!
Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total of 5 people took the trip. She was able to purchase coach tickets for... more
If P(6,-9) is on the graph of f(x), find the corresponding point on the graph of y=3f(x-1)+10
Please show work for, If P(6,-9) is on the graph of f(x), find the corresponding point on the graph of y=3f(x-1)+10.
An isosceles trapezoid has a perimeter of 41 inches. Its shorter base measures 12 inches and its longer base measures 17 inches. The two remaining sides have the same length; what is that length?
The bacteria E. coli often cause illness among people who eat infected food...
The bacteria E. coli often cause illness among people who eat infected food. Suppose that a single E. coli bacteria in a batch of ground beef begins doubling every minute. How many bacteria will... more
Person rides their bike to a park. His averages 25km/h on the way there & 20km/h on the way back. He rode for a total of 2.25 hours. How far is the park?
How to evaluate an expression using the properties of numbers.
My homework says to evaluate the expression,7 * 1/7 + 6(15/3-5)And to name the property used I each step. The first step is obviously to distribute, but I don’t understand the next steps. Can... more
Find the equation of the parabola that passes through the points (-1,10), (4,15), and (2,1)
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Stephanie left riverside, California, driving her motorhome north on interstate 15 towards Salt Lake City at a speed of 56 miles per hour. Half an hour later , tina left riverside in her car on the... more
how would you solve the equation f(x)= (-3 to the power of -2 ) + 2
Circles in the Coordinate Plane
Circle has its center at the point (-5,-8) and it passes through the point (2,-8). Complete the equation:X - [?]squared + (Y - [?]squared = [?]
Algebra 2 Problem
Write 2x^2+5x+1 / x+2 as the sum of a quotient and a remainder where the degree of the remainder's numerator is less than that of its denominator