Answers created by Ben

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• How do you find the derivative of #g(t)=t^-3#?
  
• How do you write 69,800,000 in scientific notation?
  
• How do you solve #\frac { x ( x + 1) } { 3} - \frac { x - 1} { 2} = x + x ^ { 2}#?
  
• How do you solve the following linear system #2x-y=4, x+3y=1? #?
  
• The cost of calling Nogales is $1.12 for the first 3 minutes and 52¢ for each additional minute, what would be the cost of a 10-minute call?
  
• What is the volume of a rectangular prism when the lengths are tripled?
  
• How do you determine the intervals where #f(x)=3x^2-x^3/3# is concave up or down?
  
• How do you solve # 8x-1=63#?
  
• What are the variables of the graph below? How are the variables in graph related in various points of the graph?
  
• How do you simplify #(3x-6)/(6 )#?
  
• What is the area of the figure?
  
• How do you solve #3k = \frac { 12} { 7} + 6#?
  
• Where am I wrong?
  
• How do you calculate the square root of 20 divided by the square root of 15?
  
• How do you differentiate #g(y) =(x^2 - 2x + 1)^4 (4x^6 + 5) # using the product rule?
  
• How do you find the tangent line of #f(x) = 3-2x^2 # at x=-1?
  
• Use the given conditions to find the values of all six trigonometric functions. (If an answer is undefined, enter UNDEFINED.)? csc(x) = − 7/6, tan(x) > 0. how do I get :sin(x), cos(x), tan(x), csc(x), sec(x), cot(x)?
  
• A wire achoring a telephone pole to the ground is 175 feet long. the angle of elevation from the ground to the top pole is 50 degrees. how tall is the telephone pole ?
  
• How do you solve x=8-2y and x=-3y+12?
  
• The owner of a stereo store wants to advertise that he has many different sound systems in stock. The store carries 7 different CD players, 8 different receivers and 10 different speakers. How many different sound systems can the owner advertise?
  
• A store buys a guitar for $295. The store then marks up the price of the guitar to $398.25. What is the percent change of the mark up?
  
• A positive integer is twice another. The difference of the reciprocals of the two positive integers is 1/8. Find the two integers?
  
• What is the slope of the line that passes through the points #(6,4)# and #(3,8)#?
  
• 15 is 30% of what number?
  
• How do you simplify #(\frac { a ^ { 2x } } { a ^ { 3} } ) ^ { 3} #?
  
• How many weeks will it be before Jake will be jogging 61 minutes per day?
  
• A rock is dropped into an abandoned mine, and a splash is heard 4 seconds later. Assuming that sound takes a negligible time to travel up the mineshaft, what is the depth of the shaft and how fast is the rock falling when it hit the water?
  
• How do I find 2 unknown variables of f(x) when given the tangent line to a function at a point?
  
• How fast will an object with a mass of #4 kg# accelerate if a force of #3 N# is constantly applied to it?
  
• Can someone help me with this add maths multiple choice question?
  
• How do you solve #x + 6y = 28# and #2x - 3y = -19#?
  
• Whats the fraction 55/63 simplified?
  
• How do you solve #5x ^ { 2} + 9x - 20= 4- 5x#?
  
• If #h( x ) = x ^ { 2} - 2x and g ( x ) = 3x + 5#, then what #( h \cdot g ) ( - 4)#?
  
• A car rental company charges $13 dollars a day and 8 cents a mile to rent a car. If a customer rented a car for 4 days and the total bill was $199.68, including a 4% sales tax, how many miles did she drive?
  
• How do you solve #5x + 4x + 7 = x + 15#?
  
• Please solve this?
  
• Two ships leaving the same marina at the same time are 3.2 miles apart after sailing 2.5 hours. If they continue at the same rate and direction, how far apart will they be 2 hours later?
  
• What is the value of .36 REPEATING written as a fraction ??????
  
• How do you solve #\sqrt { ( x - 2) ( x + 4) } - x - 2= 0#?
  
• How do you solve #11/10=r/11#?
  
• What is the sum of three consecutive even integers is -360?
  
• How do you solve for the x if #8x=y# and #2x+y=5#?
  
• How do you solve #-4/5x+6=x-3#?
  
• Suppose 20% of all widgets produced at a factory are defective. A simulation is used to model widgets randomly selected and then recorded as defective or working. Which simulation best models the scenario?
  
• Terry earns $10 per hour at Big Bob's Burgers. Jill earns 20% less than Terry and Jerry earns $0.50 more per hour than Jill. Which expression represents how much Jerry earns? (h represents hours)
  
• What is the 20th derivative of x∧-2?
  
• What does it mean a number to the 5th or 6th power mean?
  
• How do you solve #8( x - 6) \leq - 96#?
  
• If #Sin A =2/3# where #0°< A < 90°#, what is the value of #Sin 2A?# Please help me find the value?
  
• How do you solve the system of equations #-4x+3=5x-13-x#?
  
• What are the solutions of 2x^2 -3=13?
  
• How many one-cent stamps did Maria buy?
  
• If m - n = 32 and 3m - 8n - 6 = 0, then what is 4m - 9n?
  
• What is 0.25 as a fraction?
  
• If I walked a trail that was 3/4 of a mile 6 times how many miles is that?
  
• How do you simplify #sqrt (18) / (sqrt (8) - sqrt (2))#?
  
• How do you solve #4x + 2( 8- 3x ) = 12x#?
  
• How do you solve #17= - 2x - 3+ 7x#?
  
• A restaurant offerd a choice of 4 salads, 9 mains courses, and 3 desserts. How many possible 3- course meals are there?
  
• What is the perimeter of a triangle with corners at #(5 ,2 )#, #(9 ,7 )#, and #(1 ,4 )#?
  
• How many different arrangements can be made with the letters from the word SPACE?
  
• How do you write #35, 615# in scientific notation?
  
• What is #2x^5y * 3x^2y#?
  
• What is the gravitational potential energy of a # 9 kg# object on a shelf # 7/4 m # high?
  
• How do you solve #y = x^2 - 6x + 8 = 0# using the quadratic formula?
  
• How do you solve #8x+15=3x-20#?
  
• What number is 45% if 180?
  
• What is 3.25 as a fraction?
  
• What is the fraction of 0.36 with the 6 repeating?
  
• The manager of a CD store has found that if the price of a CD is P(X)=82-(X/6), then x CDs will be sold. Find an expression for the total revenue from the sale of x CDs (hint: revenue= demand x price) Use your expression. What is the maximum revenue?
  
• Pat's age today, plus Pat's age 5 years ago, equals 21. What is Pat's age today?
  
• Let f’’(x) = x(x+2). True or false: isThe point x = -2 an inflection point of f(x)?
  
• How do you solve #3-4x^2=-85#?
  
• How do you write the slope intercept form of the line #13x-11y=-12#?
  
• Ferroza can buy a 24-ounce bag of ferret food for $1.19, or she can buy a 36-ounce bag for $2.89. Which is the better deal?
  
• The length of a rectangular garden is 3.5 less than twice the width. If the perimeter is 65 feet, what is the length of the rectangle?
  
• A pelican dives downward from a height of #35# #m# with an acceleration of #9.8# #m##/s^2# to grab a sardine at the surface of the ocean. How long does the dive take?
  
• A balanced lever has two weights on it, the first with mass #5 kg # and the second with mass #80 kg#. If the first weight is # 16 m# from the fulcrum, how far is the second weight from the fulcrum?
  
• A ball is thrown straight up in the air at a velocity of 24 ft./sec. The height of the ball at x seconds is given by the formula: h = 24x – 16x^2. How do you find the maximum height of the ball and when it will land?
  
• What is 9% of 600?
  
• Greta uses 3 ounces of pasta to make 3/4 of a serving of pasta. How many ounces of pasta are there per serving?
  
• A rectangular room measures 12ft by 15ft. the entire room is to be covered with rectangular tiles that measures 5in by 4in. if hte tiles are sold for $2.50 a dozen what will it cost to tile the room?
  
• How do you solve # 2/3x=6#?
  
• There are 150 students in the band and 90 students in the choir.One half of the band members and 4/5 of the choir members participianted in a charity concert.How many more band members than choir members participated in the concert?
  
• How do you solve #\frac { 5- b } { 3} = \frac { 2b + 2} { - 4}#?
  
• How do you translate the word phrase into a variable expression: n cubed?
  
• How do you find the radian measure of the central angle of a circle of radius 14.5 centimeters that intercepts an arc of length 25 centimeters?
  
• How do you solve #x^2 - 5x = 36#?
  
• What is the area of a circle with radius 14?
  
• What is .67 as a simplified fraction?
  
• How do you graph this relation by using the x Intercept and y intercept?
  
• How do you find the x- and y-intercepts for the given function. Then graph the function: 2x-3y=6?
  
• Ashley can paint a 10 ft by 14 ft wall in 20 minutes Maddie can paint the same sized wall in 14 minutes, If Ashley and Maddie are both painting at the same time, how long will it take them together to paint the same sized wall?
  
• How do you solve #3-((a-1)/(a+3)) = ((a^2-5)/(a+3))#?
  
• How do you simplify #(8)(-2^2)#?
  
• A balanced lever has two weights on it, the first with mass #3 kg # and the second with mass #2 kg#. If the first weight is # 4 m# from the fulcrum, how far is the second weight from the fulcrum?
  
• How do you simplify #4 sqrt20#?
  
• What is the equation of the tangent line of #f(x)=(2x^3 - 1) / (x^2) # at #x=1#?
  
• A recipe for oatmeal raisin cookies calls for #1 2/3# cups of flour to make 4 dozen cookies. How many cups of flour are needed to make 6 dozen cookies?
  
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