06/08/19

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

03/01/19

i don't understand

the sum of 3 consecutive numbers is 180 what is the smallest of the 3 numbers.

12/22/18

what are more of the multiples of 8

i want to know more about the multiples of 8

12/22/18

sum of 19 plz i need help

wht makes 19 and wht subtracts to 7?

12/21/18

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

12/21/18

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

12/21/18

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

solving equations

twenty more than three times a number is -4

12/19/18

What is 65% of 80?

Please help me or I will fail jsjjsjjsjsjwjwk

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

12/19/18

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

12/19/18

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.

12/19/18

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

12/19/18

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

12/15/18

Need help with this ?

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

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 = [?]

12/12/18

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

12/12/18

What are all the roots of x^3+x^2+4x+4=0

Exponents are marked as x^n, n being the exponent
1

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