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Algebra
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A computer password consists of 8 characters. How many different passwords are possible, if each character may be any lowercase letter or digit?
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Equations
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Two numbers have a sum of 10 . if you add the first number to twice the second number, the result is 8. what are the numbers.
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General Mathematics
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A violin you want to buy costs $4,254. However, it is on sale for 65% off. How much do you end up saving if you buy the violin on sale?
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Math
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JetBlue Airways is an American low-cost airline headquartered in New York City. Its main base is John F. Kennedy International Airport. JetBlue’s revenue in 2002 was $664.3 million. By 2009, revenue had increased to $3,257.4 million. What was the geometri
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Math
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How do you find the nth term of the sequence 2,5,10,17,26,37,…?
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Pre-Calculus
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What does ‘greater than’ mean in math?
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Geometry
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A beach ball has a diameter of 10 inches. What is the volume of air contained inside the beach ball?
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Geometry
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The hands of a clock in some tower are \approx imately 5 m and 3 m in length. How fast is the distance between the tips of the hands changing at 9:00? Write an equation relating the angle between the tw
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Math
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Why is the audit of cash an important part of an audit?
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Calculus
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Solve this calculus problem. d t 4 ( tan 1 t ) ( 1 + t 2 ) A. I n 4 tan 1 t + C B. 4 cot 1 t + C C. 1 4 I n tan 1 t + C D. 1 4 ( tan 1 t ) 2 + C
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Equations
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An electrician charges $30 for a service call plus $75 per hour of service. If he charged $210, how many hours did he work?
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General Mathematics
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A pound of coffee beans yields 50 cups of coffee (4 cups = 1 qt). How many milliliters of coffee can be obtained from 1.0 g of coffee beans?
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Calculus
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Evaluate the integral: integral of (dx)/(x^2 + 2x + 17).
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Math
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How to solve a system of equations algebraically.
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Math
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Find the absolute value of the following numbers: 1. |8| 2. |-9| 3. |-frac{2}{3}| 4. |5.6|
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General Mathematics
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Heather wants to invest $35,000 of her retirement. She can invest at 4.8% simple interest for 20 yr, or she can choose an option with 3.6% interest compounded continuously for 20 yr. Which option results in more total interest?
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Algebra
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If $20,000 is invested in a savings account offering 3.5% per year, compounded continuously, how fast is the balance growing after 2 years? (Round your answer to the nearest cent.)
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Geometry
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Determine if the followings statements are true or false. If false, correct the statement so that they are true in part D. Part A : When placing a pipette bulb on a pipette, squeeze the pipette bulb
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Trigonometry
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Find the values of x and y for the triangle below.
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Math
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What is the difference between market risk and idiosyncratic risk?
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Geometry
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Concrete can be purchased by the cubic yard. How much will it cost to pour a slab that is 17 ft \times 17 ft \times 4 ft , if the concrete costs $50.00 per cubic yard?
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Math
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The weight of 56 books is 8 kg. What is the weight of 152 such books?
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Math
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Sox Engineering designs and constructs air conditioning and heating HVAC systems for hospitals and clinics. Currently the company’s staff is overloaded with design work. There is a major design projec
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Math
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A 6-foot person standing 22 feet from a street light casts an 8-foot shadow. What is the height of the street light?
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General Mathematics
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Is 35 a whole number?
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Math
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How do you find the volume of a 3D trapezoid?
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Math
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How does a nanodrop measure protein concentration?
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Measurement
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The mass of a dry, 50 mL beaker is 49.135 g. The observed volume of water in a volumetric pipette is 20.00 mL. This water is transferred to the beaker and the combined mass of the water and the beaker
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General Mathematics
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A box contains three coins. Coin 1 is a two-headed coin, coin 2 is a two-tailed coin, while coin 3 is a fair coin. One coin is drawn at random from this box and tossed. Given that it lands heads, comp
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Math
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Consider the equation: 5x – 2y = 7 1. Write the equation in the form y = mx + b 2. What is the slope? 3. What is the y-intercept?
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Circles
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Let arc TF = 10 degrees, arc FH = 26 degrees, arc HN = 119 degrees and arc NO = 60 degrees, in Circle J. Calculate Angle NHR
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Calculus
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Evaluate ? x y z ? c o s ( y z ) d y + x z d z over the line segment from (1,1,1) to (-2,1,3)
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Geometry
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What is the volume of a unit cell of Ag?
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Math
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IQ scores have a mean of 100 and a standard deviation of 16. Albert Einstein reportedly had an IQ of 160. a. What is the difference between Einstein’s IQ and the mean? b. How many standard deviations is that? c. Convert Einstein’s IQ score to a z score. d
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Equations
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What is the molarity of a nitric acid solution prepared by diluting 250.0 mL of 6.00 M HNO_3 to a total volume of 2.50 L?
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Math
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A new sidewalk will be 5 feet wide, 160 feet long, and filled to a depth of 6 inches with concrete. How many cubic yards of concrete are needed?
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Math
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The Wisham family lives on a farm in South Georgia on which it produces a variety of crops and livestock, including pecans. It has 5 acres of pecan trees that yield \approx imately 1,000 pounds of unshe
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Algebra
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How many combinations does a 4×4 Rubik’s Cube have?
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Math
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A farmer has 100 acres of land which he has decided to make part arable and part grass. Part of the land may also lie fallow. He can make an annual prot of $150/acre from arable land $100/acre from gr
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Calculus
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A trailer rental agency rents 14 trailers per day at a rate of $36 per day. It discovers that for each $6 increase in rate, one fewer trailer is rented. Determine the maximum income the rental agency can obtain.
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