Roger N.'s Resources I don't know how every one is doing on tutoring, but I am getting no student referrals from the many questions I have answered over a very long time. The purpose of answered questions is to help students and to create leads for future tutoring. Nothing of that is happening with me. I feel that the students are taking advantage of the system and our generous conduct. Every time they want a question... read more The difference of two numbers is 59, and the smaller number is n. What is the other number?  The difference of two numbers is 59, and the smaller number is n. What is the other number?   Solution:   Let m be the larger number Let n be the smaller number   Since... 1     Can concident lines be considered parallel or vise versa I want to ask that parallel lines are those which has same slope and concident lines also have same slope. So can they be considered parallel   Solution:   Coincident lines of the same... Consider the function F(x)= x³ +½x² −2x +3. Use calc and algebra to find any and all stationary points on the graph of the function.Precalc need help ASAP    Solution:   the above function has more than one root or more than one solution. The derivative of... sum of numbersThe sum of three numbers is 96 . The first number is 6 more than the third. The second number is 3 times the third. What are the numbers?   Solution:   let X be the first number, Y the 2nd number, and Z the third number then X... Tori jogged 1/3 of a lap in P.E. class and 5/12 of a lap during track practice. How many laps did Tori jog in all?   Solution:   This is addition of fraction problem   1/3+5/12 take 12 as a common factor in denominator then   (12/3)x1 gives... How to factor this expression x4 -2x2+1 (x2 - 1)(x2-1)= (x2-1)2 This is called a perfect square of the form   (a-b)2 = a2-2ab+b2   where a = x2 , and b = 1 You only have 20% alcohol solution and 50% alcohol solution. How much of each would you need to complete request? the chemist is asking for 12 liter of 40% alcohol solution.  You only have 20% alcohol solution and 50% alcohol solution.  How much of each would you need to complete request... What is the approximate area, in square centimeters, of the logo? A logo is placed on a T-shirt. The logo is in the shape of a circle with a diameter of 7.6 centimeters.   Solution:   The area of the logo circle is A = π r2 where r is the radius = Diameter/2   r... Find an equation of the tangent line to the curve y=e^x when x=−4.98.  Find an equation of the tangent line to the curve y=e^x when x=−4.98. I don't know how to solve it  can anybody help me, please thank you so much.   Solution:   To find... Rico is out shopping and finds a \$180 pair of shoes that was marked down by 25%. How much was the item originally?  You have to figure out what the item's (pair of shoes) price originally was.   Solution:   The discounted price at 25% is \$180.00   Let... how to find the answer Two simple pendulums of length 1 m and 16 m are in phase at the mean position at a certain instant of time. If T is the time period of shorter pendulum then the minimum time after which they will again in phase is   Solution:   the... The variable z is inversely proportional to x. When x is 3, z has the value 6. What is the value of z when x= 12?   Solution:   for an inversely proportional z value increases with a decrease in x and vice versa. Then xz=k , z=k/x, ox x=k/z and k constant of proportionality   substitute... the variable z is directly proportional to x. When x is 12 , z has the value 132. what is the value z when x=16 algebra   Solution   A directly proportional variable z is one that increases with an increase in x and decreases with a decrease in x such that... The kilopascal is a unit of measure for atmospheric pressure. Suppose the atmospheric air pressure at sea level is about 102 kilopascals. For every 1000-m increase in altitude, the pressure decreases about 11.5%. What is the approximate pressure at an altitude of 3000 m?   Solution:   At... Line QR contains (2, 8) and (3, 10) Line ST contains points (0, 6) and (−2, 2). Lines QR and ST are I have a hard time undestanding this math because i have a learning disability and i really could use some help id like to graduate next year so yeah.   Solution:   Lines... 0    A hose fills up a hot tub at a rate of 3.2 gallons per minute. How many hours will it take to fill a 300 gallon hot tub? please explain the method of unit conversions as thoroughly as possible.   Solution:   The rate of fill up is, Rate = 3.2... The answer is B.  G(x)=(1/3x)^2 when we stretch the parent function horizontally f(x)=x2 by a factor of 3, You multiply ithe inside parameter by 1/3 f(cx) where c=1/3  