Answers created by NJ

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• Hamburger buns cost $2 per package and hot dog buns cost $1 per package. The total cost for buns is $16. The total number of packages was 12. How many packages of each type were bought?
  
• How do you write the variable expression for: a quotient of 2 and the sum of a number and 3 ?
  
• The sum of three numbers is 98 . The third number is 8 less than the first. The second number is 3 times the third. What are the numbers?
  
• Convert degrees to revolution? Please
  
• What is the greatest common factor of xy, x^3, and X^6y?
  
• How do you find the greatest common factor of # 18x^2+16x-12x^3#?
  
• How do you simplify #(4/3)^-4#?
  
• How do you simplify #(4xy^2)^4(2y)^-3#?
  
• What is #2y^2(3x+yz)# simplified to?
  
• Jeromy has $1920 for his marketing budget. He spent #1/3# of his budget in the first 6 months. How much did he spend? How much is left over?
  
• What is the domain of #y=sqrt(x+16)#?
  
• What is the domain of #h(x)=sqrt(x-2)#?
  
• How do you find the derivative of f(x) = 6/x by the limit process?
  
• How do you multiply #(7-a)^2 #?
  
• How can scientists estimate the age of the universe when time itself is not absolute according to Einstein's Theory of Relativity?
  
• How do you write the following as an algebraic expression using x as the variable: Three times the difference of a number and one?
  
• How do you solve #-3w + 20= 5( w - 4)#?
  
• Where are most stars located n the H-R diagram?
  
• How do you find the slope for (6,0) (10,3)?
  
• How do you simplify #(10k^5v)^3(1/5v^3)^2#?
  
• How do you solve the system of equations by graphing and then classify the system as consistent or inconsistent #4x+5y=-2# and #4y-x=11#?
  
• The difference of a number times 3 and 7 is equal to 6?
  
• How do you find three consecutive integers such that the sum of twice the smallest and 3 times the largest is 126?
  
• By the gauss's theorem show that the electric field in a hollow spherical conductor is zero?
  
• What does it mean for a system of equations to be over determined?
  
• In a vacuum, what falls faster, a bowling ball or a feather?
  
• How do you write an equation of a line with slope -4 y intercept 6?
  
• How do you solve the volume formula P = 8y + d, for d?
  
• How do you write a polynomial in standard form, then classify it by degree and number of terms #-2x^2 - 16x + -4x^3 +2x^4 +5#?
  
• How do you combine like terms in #3( z + 5) + 4( 3z - 4)#?
  
• How do you find the area of a circle whose diameter is 6 feet?
  
• Six is less than or equal to the sum of a number n and 15?
  
• How do you write #0.000003010# in scientific notation?
  
• How do you evaluate #3/4 + 1/3 + 1/2#?
  
• How do you graph #g(x) = x^2 - 4x + 2#?
  
• How do you solve #9x² + 42x = -49#?
  
• How do you find the degree of #10+2cd^4-6d^2g#?
  
• If I have one inch of rise for every 12 inches of length what is the slope?
  
• How do you solve #-3x^2 - x + 2 = 0#?
  
• Are there multiple answers to integrals?
  
• How do you simplify #\frac { 5u ^ { 2} - 40u + 60} { u ^ { 2} - 5u - 6}#?
  
• What is the distance between #(5, –1)# and # (-4, 6) #?
  
• How do you solve #1/3x>6#?
  
• How do you evaluate #9.7 + 3.1w - 1.9# for w = 2.3?
  
• How do you find the slope of (2,4) and (1,2)?
  
• How do you solve #x=y+2# and # 2x-3y= 12#?
  
• How do you solve #2- 5( x - 5) \leq 7x + 15#?
  
• The length of a rectangle is twice that of its width. If the area of the rectangle is 72 square inches, then find the length and width?
  
• How do you write # 1440000# in scientific form?
  
• How do you find three consecutive odd integers that have a sum of 123?
  
• -7,-4,-1,2? sequence?
  
• What number is 18% of 95?
  
• Is 5-7d a monomial?
  
• Consider y=logb(x) in which b, x, and y are real numbers. Zero can be in the domain; is it sometimes, always, or never true?
  
• I Don´t Know if is Ø a subset of Ø?
  
• How does the type of wire affect resistance in a wire?
  
• The position of an object moving along a line is given by #p(t) = 5t - cos(( pi )/3t) + 2 #. What is the speed of the object at #t = 13 #?
  
• Four cards numbered from 1 to 4 are placed in a bag. Five cards lettered A, E, I, O, and U are placed in another bag. One card is drawn from each bag. The number of outcomes in the sample space is? A) 2 B) 9 C) 16 D) 20
  
• There are 40 equally spaced seats around a large round table. What seat number is directly opposite seat number 32?
  
• What the probability that some body rolled a 3 both times on a number cube?
  
• Integration of 2sinx??
  
• How do you simplify #(c ^ { 7} ) ^ { 9} ( c ^ { 0} ) ^ { 5}#?
  
• How do you find three consecutive odd integers such that the sum of the largest and twice the smallest is 25?
  
• The force of gravity on a 2-kg rock is twice as great as that on a 1-kg rock. Why then doesn't the heavier rock fall faster?
  
• Jill is twice as old as her brother and half as old as her father. In 22 years, her brother will be half as old as his father. How old is Jill now?
  
• What is the slope of the line passing through the following points: #(5,3) , (–5, 5) #?
  
• Simplify #(4^n - 4^(n-2))/4^(n+1)# ?
  
• Is it possible to solve this integral by hand or by conventional methods?
  
• The cross section of a rectangular tank measures 1.2m by 0.9 . If it contains fuel to a depth of 10m , find the number of litres of fuel in the tank.(1m^3 = 1000litres )?
  
• If a basketball player made 72 out of 85 free-throw attempts, how many could she expect to make in 200 attempts?
  
• How do you find the exact value of cos 180degrees - sin 180degrees?
  
• How can I prove that #e^(1/n) <= n/(n-1)# for every #n>=2# ?
  
• Even though I know some stuff, I am not to keen on functions. What do we do when f(x)=x^2 - 3x + 4, and I need to find f(2x). How do you do it? Don't give the answer, just wondering how, not what!
  
• How do you solve #11x + (-4x) = 56#?
  
• What is the electric current produced when a voltage of #9 V# is applied to a circuit with a resistance of #63 Omega#?
  
• How do you write 2 7/8 as improper fraction?
  
• How do you solve # 7(2x+5)=4x-9-x#?
  
• If #f(x) = 1/9(3)^x#, what is #f(5)#?
  
• How do you solve #\frac{2}{6} = \frac{x}{10}#?
  
• How do you simplify #5sqrt30# - #sqrt3#?
  
• How do I find the derivative of # -2e^(-6x^3)#?
  
• Prove below?
  
• How do you use the properties of logarithms to expand #log_10((xy^4)/z^3)#?
  
• How do you simplify #(t^2-25)/(t^2+t-20)#?
  
• How do you solve #8( y - 4) + 7= 7#?
  
• How do you solve #5/6 = x/15#?
  
• How do you find the domain of #f(x)=(2x+1)/(x-3)#?
  
• What is the degree of #6p^3q^2#?
  
• How do you simplify #7/8 + 1/5#?
  
• How do you multiply #4(x^2+2x+30)#?
  
• How do you simplify #sqrt(11/64)#?
  
• John's age increased by 11 is 5 less than 5 times his age. How old is he?
  
• Show by differentiating that this function for x(t) does in fact satisfy the differential equation?
  
• You have created a (random) 5-digit password for your computer. A hacker tries to break in to your computer. What is the probability that he is successful on the first attempt?
  
• How do you solve #5m+2(m+1)=23#?
  
• How do you simplify #6sqrt7+2sqrt28#?
  
• What is the #x# and #y# intercept of the line #-\frac { 7} { 5} x - 4y = 7#?
  
• How do you write 833,000 in scientific notation?
  
• Frictional force is non Conservative force.How?
  
• Does a ray of light refract at the same angle as it passes through two sheets of glass of different widths?
  
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