Answers created by YoshiMan007

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• How do you solve the system of equations #9x - 11y = 25# and #y = 4x - 15#?
  
• What is the standard form of #y= (x^2-4)(2x-4) -(2x+5)^2#?
  
• Question #47ef2
  
• A student will have $1966 in the account when she graduates. The account earns 7% per year and is compounded quarterly. How much did her parents deposit in the savings account when she started high school?
  
• A triangle has sides A,B, and C. If the angle between sides A and B is #(pi)/3#, the angle between sides B and C is #pi/6#, and the length of B is 15, what is the area of the triangle?
  
• How do you solve #\frac { 2x - 1} { x + 2} - \frac { 1} { x } \leq 1#?
  
• Becker lumber gives contractors a 10% discount on all orders. After the discount a contractor's order cost $279. What was the original cost of the order?
  
• A kayak can travel 24 miles downstream in 3 ​hours, while it would take 12 hours to make the same trip upstream. Find the speed of the kayak in still​ water, as well as the speed of the current?
  
• Question #4566a
  
• How do you simplify #(- 6a + 8+ 6a ^ { 2} ) - ( - 5a + 3a ^ { 2} + 3)#?
  
• Question #72ff9
  
• The 4th number in the 32nd row of pascals triangle is the sum of how many triangular numbers?
  
• Question #5c832
  
• Question #e35c4
  
• How do you use synthetic division to factor #x^4 + 4x^3 - 7x^2 - 34x -24#?
  
• Question #08fcf
  
• The local school sponsored a mini-marathon and supplied 88 gallons of water per hour for the runners. What is the amount of water in quarts per hour?
  
• How do you evaluate #\frac { - 20y ^ { 9} } { - 5y ^ { 4} }#?
  
• How do you evaluate #(2x + 3) ( 4- x )#?
  
• How do you evaluate #(\sqrt{(3-1)^{2}+(8-0)^{2}#?
  
• Question #3ff6d
  
• I got 300 cubic cm but the answer is 308 on the answer sheet. How?
  
• How do you solve #\sqrt { x - 3} = \sqrt [ 4(x + 4)] - 1#?
  
• How do you solve #-1= \frac { r } { 2} - 1#?
  
• How do you solve #6= 2| 7c - 70| + 6#?
  
• What is the domain of # f(x)= 1/(x^2-4x)#?
  
• How do you convert 21/4 into a decimal and percent?
  
• Question #050ad
  
• What percent of 85 is 106.25?
  
• How do you solve #240= 8( 7b - 5)#?
  
• Question #1ea10
  
• How do you evaluate #(x ^ { 2} + 4x + 3) ( 2x ^ { 2} - 9x + 7)#?
  
• How do you solve this system of equations: #x+ 3y = - 3 and 4x + 11y = - 14#?
  
• Given there are 6 boys and 2 girls arranged in a row, what is the probability there are at least 3 boys separating the 2 girls?
  
• How do you know if (5,-7) (6,-7) (-8-1) (0,-1) is a function?
  
• How do you evaluate #2\frac { 3} { 10} + 6\frac { 2} { 4}#?
  
• The Royal Fruit Company produces two types of fruit drinks. The first type is 70% pure fruit juice, and the second type is 95% pure fruit juice. How many pints of each drink must be used to make 50 pints of a mixture that is 90% pure fruit juice?
  
• Question #d8979
  
• How do you evaluate #(2b - 3) ( b + 3)#?
  
• How do you evaluate #15\div \frac{7}{5}#?
  
• Adele went to the post office to buy stamps and postcards. She bought a total of 25 stamps, some 39-cent stamps and the rest 23-cent postcards. If she paid $8.47 altogether, how many 39-cent stamps did she buy?
  
• How do you solve #-13 \cdot ( - 2.3) #?
  
• How do you express #\log _ { 6} 11z# as the sum or difference of logarithms?
  
• How do you express "the quotient of 45 and the sum of c and 17"?
  
• #1/4 # cup of detergent is recommended for #1/2# load of clothes. How many is needed for 4 loads?
  
• Nine plus 2 times a number is equal to 2 less than 3 times the number. What is the number?
  
• What is the simplified form of #-3 sqrt32#?
  
• Kelly blends coffee. She mixes brand A costing $6 per kg with brand B costing $8 per kg. How many kilograms of each brand does she have to mix to make 50 kg of coffee costing her $7.20 per kg?
  
• How do you simplify #frac { ( 3n ^ { 3} ) ^ { 3} } { ( 5n ^ { 7} ) ^ { 2} }#?
  
• Question #4c04a
  
• How do you factor #5x^2 - 9x +8#?
  
• How do you find the exact value of #arctan [tan (-(2pi)/3)]#?
  
• How do you evaluate and simplify #8^(1/3)#?
  
• Question #294f3
  
• What is the distance between A(-1,-3) and point B(5,5)?
  
• How do you simplify #2(4-3t)-(-3)+2t#?
  
• Suppose that you toss a coin three times and roll three dice. What is the probability of obtaining two tails, one five, and at least one dice roll of less than three?
  
• What is the equation of the line perpendicular to #y=-3/7x # that passes through # (5,7) #?
  
• How many different three-member teams can be formed from six students?
  
• Different 4 math books , 6 different physics books , 2 different chemistry books are to be arranged on a shelf. how many arrangement is possible if the books in particular subject must stand together ?
  
• What is the slope of the line passing through the points #(- 1,7)# and #(3,- 6)#?
  
• What is the slope of the line perpendicular to # y=7/6x -3 #?
  
• How do you factor the trinomial #a^3 - 6a^2 - 27a#?
  
• An airplane covered 21 miles of its route while decreasing its altitude by 46,000 feet. How do you find the slope of the airplane's line of descent?
  
• What is the point-slope form of the line that passes through (1,1) and (3,5)?
  
• How do you find the intercepts for #-3x-4y=18#?
  
• How do you simplify #(a + 7)2#?
  
• How do you write inverse variation equation given x = 8, y = 24?
  
• How do you solve #-31= 8 - 6p - 7p#?
  
• How do I do factorials on a TI-84?
  
• How do you divide #(3x^3+4x^2+x+1)÷(x-1)#?
  
• If 3 is added to the number and denominator of a fraction and the result subtracted 'by' the original fraction, the difference is 1/15. The numerator of the original fraction is 6 less than the denominator. What is the original fraction?
  
• How do you identify the important parts of #y = x^2-3x+2# to graph it?
  
• How do you factor #r^3 - 2r^2 - 5r + 6 = 0#?