10/31/19

When a camera flash goes off, the batteries immediately begin to recharge the flash's capacitor, which stores electric charge given by q=q(t)=k(1−e−t/a).

(The maximum charge capacity is k and t is measured in seconds).(a) Find the inverse of this function. (Explain its meaning.)(b) How long does it take to recharge the capacitor to  percent of... more
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10/30/19

A pyramid has square base with an area of 144 feet squared. what is the perimeter of the base of the pyramid?
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10/29/19

Solving a distance, rate, time problem using a system of linear equations
Flying against the jetstream, a jet travels 4550 miles in 7 hours. Flying with the jetstream, the same jet travels 3150 miles in 3 hours. What is the rate of the jet in still air and what is the... more
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10/29/19

I am between 12×14 and 390÷2. I am a multiple of 7.i am even. Who am I?
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10/29/19

Christmas is here - How much Garland do I need?
Christmas is here and so are a lot of questions.I'm trying to wrap around a column with Christmas lights and garland.What would be the equation I should use to figure out the length of garland... more
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10/29/19

The bacteria in a culture is increasing according to the law of exponential growth.

The bacteria in a culture is increasing according to the law of exponential growth. There are 125 bacteria in the culture after 2 hours and 350 after 4 hours. Find the initial population.
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10/29/19

In the quadratic equation, solve for x
(1/a)x2 + (2/b)x + 3/c = 0
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10/18/19

What is the greatest power of 10 that is a factor of 87,000
Found this in a section while reviewing divisibility.
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10/16/19

Math homework APR
Assume that you have a balance of $4500 on your Discover credit card and that you make no more charges. Assume that Discover charges 27% APR and that each month you make only the minimum payment... more
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07/29/19

a box is to be constructed with a total volume of 6400 cm^3. The sides cost $5 per cm^2, the top and bottom cost $4 per cm^2 . What are the dimensions that have the correct volume, but minimize cost?
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01/27/19

Word Problem- Labor
A company produces alarm clocks. During the regular​ workweek, the labor cost for producing one clock is ​$3.00. ​However, if a clock is produced on​ overtime, the labor cost is ​$4.00. Management... more
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01/27/19

Cubic Feet Math Problem
An open box is to be constructed from a square piece of sheet metal by removing a square of side 3 feet from each corner and turning up the edges. If the box is to hold 147 cubic ​feet, what should... more
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01/25/19

Algebra word problem
Two gears have a total of 80 teeth and one gear has 48 fewer teeth than the other. How many teeth does each gear have?
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10/07/18

World problem
Kley work at a donut factory, we're a 10-oz of coffee cost 95¢, a 14-oz cost 1.15$ and 20-oz cup cost 1.50$. During one busy period Kyle secure 59 cups of coffee, using 548 once of coffee, while... more
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09/27/18

25% of kwons pen is red. 1 out of 9 is black. he has 50-100 pen. how many pen does kwon he have
25% of kwons pen is red. 1 out of 9 is black. he has 50-100 pen. how many pen does he have
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09/26/18

A cable suspended between two posts that are the same height and 10 meters apart has a sag of 1 meter. If the cable hangs in the form of a parabola, find its eq
A cable suspended between two posts that are the same height and 10 meters apart has a sag of 1 meter. If the cable hangs in the form of a parabola, find its equation
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09/25/18

Quadratic Equation word problem
It took a small plane 2 hr longer to fly 375 mi against the wind than it took the plane to fly the same distance with the wind. The rate of the wind was 25 mph. Find the rate of the plane in calm air. more
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