Answers created by Tony B

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• How do you find the important points to graph #y=-x^2-3x+2#?
  
• How do you find the equation of the tangent line to the curve # -x^2+5x# at (-1,-5)?
  
• How do you find the equation of the tangent line to the curve # -x^2+5x# at (-1,-5)?
  
• You made $3000 on a part-time job last year. If you expect to make the same amount this year, and the inflation rate is three percent, what is your purchasing power?
  
• How do you divide #(-2x^3+7x^2-4x-1)/(3x-1) #?
  
• Help me solve this rational problem?
  
• How do you express a sum of logarithms for #log_5(125*25)#?
  
• How do you use a calculator to approximate #arctan15#?
  
• What is the value of #d# in the equation #root3 (k^d) = (root3 k)^5#?
  
• What is 0.004 written as a fraction of a percent?
  
• Charlie bought a $60 radio on sale off 5% off. How much did he pay including 5% sales tax?
  
• How do you subtract two rational numbers with different denominators?
  
• What is the slope of #y=-x#?
  
• $3,000 is invested in an account paying 4% interest and twice that amount is invested at 6%. How do you write the expression that represents the amount of interest earned on the money invested at 6%?
  
• Soybeal meal is 12% protein; cornmeal is 6% protein. How many pounds of each should be mixed together in order to get 240 lb mixture that is 10% protein?
  
• The maximum Youth Allowance is reduced by $1 for every $4 that the youth's parents income is over $31 400. By how much is Hannah's Youth Allowance reduced if her parents earn a combined income of $35 624?
  
• Sarah has made 21 bracelets to sell at craft fair. If this is 70% of the bracelets she wants to make, how many more bracelets does she need to make?
  
• What is the answer? What should the graph look like? #" "f(x)=-x^2+1#
  
• How do you divide #(2x^4 -x^3 - 9x^2 - x + 5)/ (5x^2 - 2) # using polynomial long division?
  
• How do you solve the following system: #3x+y=8, 2x +5y = 5 #?
  
• Two corners of a triangle have angles of #(5 pi ) / 12 # and # ( pi ) / 8 #. If one side of the triangle has a length of #4 #, what is the longest possible perimeter of the triangle?
  
• How do you divide #(2x^4+3x^2+12x+5)/(-x^2+3)#?
  
• How do you simplify 4 times the square root of 8 over the square root of 2?
  
• How do you graph #sqrtx", if "x>0 and -1/2x+3", if "x≤ 0#?
  
• What is the equation for the circle which passes through (3;4) (-4;3) (5;0)?
  
• How do you find the lengths of the curve #y=(4/5)x^(5/4)# for #0<=x<=1#?
  
• How do you use symbols to make the statement 4_5_2_7 = 107 true?
  
• #sin^(-1)(4/3)#?
  
• How do you calculate #tan^-1 (12.4304)#?
  
• How do you solve #49- [ 3+ 10y - 4( y + 2) ] = - 5( 3y - 6) - [ 5( y - 1) - 9y + 21]#?
  
• Mrs.Sharma sold a jewellery at a loss of 5%. If he had sold it at Rs.5,200 more, she would have gained 8%. Find the cost price of the jewellery ?
  
• A boat travelling at top speed upstream moves at 15 km per hour. When it travels downstream, again at top speed, it moves at 25 km per hour. What is the boat top speed in still water?
  
• How do you find the important points to graph #f(x)=2x^2#?
  
• People in Japan on average eat 3 ounces of fish per day. How many pounds of fish is this per week?
  
• How do you find the slope of a tangent line to the graph of the function #g(x) = 14 − x^2# at (2, 10)?
  
• How do you find the slope of a tangent line to the graph of the function #g(x) = 14 − x^2# at (2, 10)?
  
• How to solve #2.9 xx 10^(11) - 3.7 xx 10^(13)# ?
  
• The ratio of Isabella's money to Shane's money is 4:15. If Isabella has $44, how much money do Shane and Isabella have together?
  
• Two water tanks are being set up. Each one starts with 100 liters of water. The first tank fills at a rate of 15 liters per minute. The second one fills at the rate of 20 liters per minute. When will the first tank contain 7/3 as much as the second tank?
  
• How do you rewrite #2 \times 37# as the sum of two products?
  
• How many cup of juice must be added to 30 cup of punch that is 8% grapefruit juice, to obtain a punch that is 10% grapefruit?
  
• What is the derivative of #f(x)=5x arcsin(x)#?
  
• How do you find the values of k that will make #9x^2 + 6x +k# a perfect square?
  
• How many quarts of olive oil did they use? (see below) Thanks!
  
• The average bee only produces one-eighth teaspoon of honey in its lifetime. Also it takes 60,000 honey bees to produce 100 lb of honey. how much does a teaspoon of honey weigh Express the answer in ounces?
  
• How much interest did she earn? (compound interest)
  
• How do you divide #(x^3-7x-6) / (x+1)#?
  
• How do you find the product of #(a+5)(a-6)#?
  
• What percent of 7.2 is 45?
  
• Luisa's restaurant bill comes to $75.50, and she leaves a 15% tip. What is Luisa's total payment?
  
• How do you graph #6x>=-1/3y# on the coordinate plane?
  
• What is #9 xx 7 = #?
  
• $22,000 is invested at a simple interest rate of 1.5%. How much does the investment earn after 6 months?
  
• I tried a lot to solve this question, and every time i get 2, while the correct answer is 4, HELP to solve it?
  
• I tried a lot to solve this question, and every time i get 2, while the correct answer is 4, HELP to solve it?
  
• The value of #root(3)(125)# is?
  
• How do you factor # x^4 + 2x^3 - 8x -16#?
  
• To make 10 servings of soup you need 4 cups of broth. You want to know how many servings you can make with 8 pints of broth. What proportion should you use?
  
• How do you find the derivative of #(1+x+[3x^2])^4#?
  
• Given the nth term for each arithmetic sequence, how to find the indicated term here? (1) #a_n=6n+1; a_12# (2) #a_n=3n-5; a_20#
  
• How do I find the nth term of the arithmetic sequence whose initial term and common difference d are given below? (A) #a_1=4, d=3# (B) #a_1= -8, d=5#
  
• One lap around a dirt track is 1/3 mile. It takes Bryce 1/9 hour to ride one lap. What is Bryce’s unite rate, in miles, around the track?
  
• What is decimal notation of 9%?
  
• How do you factor and solve #-x^2-2x+3 = 0#?
  
• U2 is an Irish band that has been popular for over three decades. The lengths of 80 of their songs were selected at random and are listed in the table below. Lengths of Randomly Selected U2 Songs. ?
  
• How do you divide #(-x^4-3x^3-2x^2+7x+3)/(x^2+3) #?
  
• Find the equation of the circle in general forn if the diameter is 12 and the center is 8,1? Thabk you for the answer
  
• What is the domain and range of y=2 all over x-3? Thank you
  
• How do you find the derivative of #y=ln(70x^2+24x+7)#?
  
• True or False?
  
• If 39 is 1% of a number, what is that number?
  
• How do you factor #m^4 - n ^4#?
  
• A students tuition was $2520. A loan was obtained for #2/5# of the tuition. How much as the loan?
  
• Work out the normal price in the second shop ?
  
• A skier skis 7.40 km in the direction 45.0 east of south, then 2.80 km in the direction 30.0° north of east. and finally 5.20 km in the direction 22.0° west of north. Show these displacements on a diagram? How far is the skier from the starting point?
  
• How do you solve #3x + 19 = 3 - 5x#?
  
• #A/B=B/A" "# is true if?
  
• Candy bars are sold in a local store for 60 cents each. The factory has $1000 in fixed costs plus 10 cents of additional expense for each candy bar made. Assuming all candy bars manufactured can be sold, find the break-even point?
  
• What is the slope and y-intercept of the line #(y - 3) = 5(x + 2)#?
  
• How do you solve the inequality #9 > -3 (x - 1) ≥ -12#?
  
• Below are two different functions, f(x) and g(x). What can be determined about their slopes? f(x)= 4x + 2 The function g(x) going through 0, −2 and 1, 3 The function f(x) has a larger slope. The function g(x) has a larger slope. They both have the
  
• The height #(h)# of a tree after #(n)# years is given by the equation #h=4n+7#. In how many years will the height be 39 feet?
  
• The owner of Snack Shack mixes cashews worth $5.75 a pound with peanuts worth $2.30 a pound to get a half-pound, mixed-nut bag worth $1.90, How much of each kind of nut is included in the mixed bag?
  
• Find the extreme values of #y= x^2 − 2x + 3#?
  
• Find the extreme values of #y= x^2 − 2x + 3#?
  
• (2root5+3root2)square ?
  
• How do you evaluate the function with the given values of #x: color(white)("d")f(x)=(1/2)[x+1] ;color(white)("ddd") x=0; x=-1#?
  
• How do you simplify #(9 times 10^2)(2 times 10^10)#?
  
• How do you factor: #y= s^2-8s+7 #?
  
• How do you write 0.000000258 in scientific notation?
  
• Subtract #(4+2x+8x^2+3x^3)-(-8+2x-8x^2+3x^3)#?
  
• Kate spent a total of $15.45 on a trip to the movies. She spent $5.00 on bus fares to and from the movie and $3.05 on snacks. How much did she spend on her movie ticket?
  
• How do you use proportions to solve percent equations?
  
• Given that f(x) = x2 − 4x − 3 and g(x) = the quantity of x plus three, over four , solve for f(g(x)) when x = 9? −6 3 6 9
  
• How do you do quadratic equations? What is the quadratic formula and what is the best way to remember it?
  
• How do you simplify #8 (x +2) - 4x + 7#?
  
• How do you write 27/99 as a decimal?
  
• How do you divide #(x^2 - 2x - 15)/(x + 3)# using polynomial long division?
  
• How do you find the solution to the quadratic equation #Y=0.05x^2 + 1.1x#?
  
• How do you multiply and simplify #\frac { ( x ^ { 3} y ^ { 10} ) ( x ^ { 4} y ) } { ( x ^ { 8} y ^ { 2} ) ^ { 3} }#?
  
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