Faye is 5 feet 5 inches tall. Faye is 10 inches shorter than her brother. How tall is Faye's older brother?
Faye is 5 feet 5 inches tall. Faye is 10 inches shorter than her brother. How tall is Faye's older brother?
How many miles per hour did tony run?
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Word Problem
1. Molly left home and drove toward the ferry office at an average speed of 27 mph. Mark left two hours later and drove in the same direction but with an average speed of 45 mph. How long did Molly...
There are 4 red, 4 white, and 4 blue marbles in an urn. Two marbles are selected at random without replacement. What is the probability that neither is red, given that neither is white?
3. There were 6205 CVS stores in the US in 2006 and 7703 CVS stores in the US in 2013. Write a linear equation in slope-intercept form that models this growth. Let x stand for the number of years...
An unfair coin with Pr[H]=2/3 is flipped. If the flip results in a head, marble selected from an urn containing 10 red, 7 white, and 5 blue marbles. If the flip results in tail, the marble is selected...
The x-coordinate or cosine for 45º or π/4 on a unit circle is sqrt(2)/2.
sixty grams of magnesium-28 decayed into 7.5 grams after 63 hours. What is the half-life of magnesium-28?
solving word problem with quadratic equations
How long would it take to double your money if you invested P dollars at the rate of 7% compounded continuously?
Researchers often model real observations using the normal distribution, but sometimes the real distribution is a bit different from the perfect, normal distribution. List some reasons why researchers...
Find four values
Kevin invested part of his $10,000 bonus in a certificate of deposit that paid 6% annual simple interest, and the remainder in a mutual fund that paid 11% annual simple interest. If his total interest...
Axis of symmetry: x=3; points (1,9) (4,3); direction of opening: upward
A pair of fair dice is rolled and the sum of the numbers is noted. Determine the probability that one die resulted in a given 5 that the sum is 8.
You work as an occupational therapist. Your are setting up your schedule for next wednesday. During the morning, you work with patients who need your full attention, so you schudele them one at a...
Learning about probability and the Binomial Theorem
Sketch the graph of the function: y=(x-2)(x-3)(x+5) 1. Determine the end behavior of the function. 2. Find all x-intercepts. 3. Find all y-intercepts. 4. Use the x-intercepts to...