You are going to draw 2 cards from a deck of cards (without replacement). What is the probability you will draw two aces?
A woman invests a total of $20,000 in two accoutns, one paying 5% and the other paying 8% simple interest per year. Her annual interest is $1180. How much did she invest at each rate?...
If you flipped a coin 3 consecutive times, what would be the probability that all three results were the same?
Susie picked peaches for her elderly neighbor. In a 7-day period, she collected 182 peaches total. Each day she picked 6 more peaches than the day before. How many peaches did she pick the 1st day...
i ned to understand how the 2's complement works and how to deal with it.
The treatment of a certain viral disease requires a combination dose of drugs D1 and D2. Each unit of D1 contains 1 milligram of factor X and 2 milligrams of factor Y, and each unit of D2 contains...
I keep getting i^23=i^20+3=i(4x5)+3=-i It should up -1 but I do not know how
I need help on my physical science challenge.
a lighthouse is 100 meters from a straight shoreline. the light turns at a rate of 10 revolution per minute (20π radians/minute), and shines a moving spot of light along the shore. How fast is the...
If you roll two dice (a green one and a red one), how many different outcomes are there for that roll? (in other words, how many different combinations could you get on the two dice)?
When I substitute u=x^2-5x+25 I get du=2x-5 dx. That gets me close to x dx. I would normally just pull out 1/2, but I'm confused how to deal with the -5. it looks like I should get a ln...
What would the probability be of pulling a card out of a regular deck of playing cards and having it be black and an even number?
What would be the probability be of pulling a card out of a regular deck of playing cards and having it be a heart?
how do you put the squared 2 symbol in the equation using a computer? is there a key to do it?
X2-2x-3=0 X2+2x-3=0 X2-4x+3=0 X2+4x+3=0
Which is against federal law.
a cylindrical can with a top and a bottom is to have a volume of 128 cubic centimeters. find the dimensions that will minimize the amount of material required to construct the can.
equation to find the number of minutes you must talk to have the same cost for both calling plans.
Dear Sir or Madam, I'm having a problem when translating a story to English. I'm trying to find a phrase to insult someone who is cruel and inhumane. If I translate word-by-word, it will...