Answers created by Mr. Mike

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• How do you solve the following linear system: #-x + 4y = -8 , 3x - 5y = 3 #?
  
• How do you solve #(x - 3) ( x - 4) ( x - 8) \leq 0#?
  
• Calculate the perimeter of a scalene triangle, whose sides measure: 9M, 15M, 28M?
  
• How do you simplify #(2-3i)(-1+4i)#?
  
• A box without a top is to be made from a rectangular piece of cardboard, with dimensions 8 in. by 10 in., by cutting out square corners with side length x and folding up the sides. Write an equation for the volume V of the box in terms of x?
  
• In triangle ABC, a=6.3. B=9.4, <C=38.3° how do you find side C?
  
• Which of the following compounds is/are (an) aldehyde(s)? i. CH3—OH ii. CH3—CO—CH3 iii. CH3—O—CH3 iv. CH3—CHO v. CH3—COO—CH3 Question 6 options: iv only ii only iii only i and iv ii, iii, and v Question 7 (0.5 points)
  
• How many prime factors are obtained? #x^7 + c^3x^4 - c^4x^3-c^7#
  
• How to solve #16 + 2^x = 2^(x+1)# without calculator?
  
• Help with a math question?
  
• Can someone help solve this?? im so confused??
  
• How do you solve #\sqrt{x}=x-6#?
  
• ?A woman works out by running and swimming. When she runs, she burns 7 calories per minute. When she swims, she burns 8 calories per minute. She wants to burn at least 336 calories in her workout. Write an inequality that describes the situation.
  
• You go to the bank and deposit $2,500 into your savings. Your bank has annual interest rate of 8%, compounded monthly. How long would it take the investment to reach $5,000?
  
• What is the equation of sinusoidal function with the amplitude 3 and period pi/4?
  
• How does altering concentrations effect the equilibrium of the chemical equation N2 + O2 ⇌ 2NO?
  
• How do you solve by completing the square: #2x^2 + 4x +1 = 0#?
  
• Given that cosx=p Where x us an acute angle in degrees find in term of p i) Sin x ii)tanx iii)tan(90-x)?
  
• A #4 L# container holds #19 # mol and #20 # mol of gasses A and B, respectively. Groups of four of molecules of gas B bind to three molecule of gas A and the reaction changes the temperature from #210^oK# to #120^oK#. How much does the pressure change?
  
• Given p(n) = 0.25n+5.2 represents the price (P) in dollars for n grams of vitamins; what would the inverse function of P represent?
  
• Can anybody please solve it.question is related to logarithms, range?
  
• How do you divide #(3n ^ { 3} + 23n ^ { 2} + 26n - 26) \div ( n + 6)#?
  
• How do you solve #1/(x+3)+1/(x+5)=1#?
  
• Jason estimates that his car loses 12% of its value every year. The initial value is 12,000. Which best describes the graph of the function that represents the value of the car after X years ?
  
• What is the vertex form of #y= (x + 10)(x – 4) #?
  
• Given the equation 4Al + 3O2 -> 2Al2O3 , which reactant is limiting if 0.32 mol Al and 0.26 mol O2 are availiable?
  
• In the laboratory you are asked to make a 0.708 m ammonium chloride solution using 315 grams of water. How many grams of ammonium chloride should you add?
  
• How do you solve this system of equations: #-3x - 5y = 4;- 5x - 4y = 24#?
  
• How do you divide imaginary numbers?
  
• What is the implicit derivative of #10=ye^y-x^2+ye^x #?
  
• The OfficeJet printer can copy Maria's dissertation in 16 min. The LaserJet printer can copy the same document in 18 min. If the two machines work​ together, how long would they take to copy the​ dissertation?
  
• How do you write a quadratic function in vertex form whose graph has the vertex (-3,5) and passes through the point (0,-14)?
  
• A water balloon with a mass of 500 g is launched across a waterpark and lands 150 m away 5 seconds later. What is the initial velocity in the x and y directions, launch angle, and max height?
  
• How do you decide whether the relation #x^2 + y^2 = 1# defines a function?
  
• How do I add radicals with different bases #sqrt150 +sqrt40#?
  
• How do you simplify #\frac { x ^ { - 8} ( x ^ { - 2} y ^ { 2} ) ^ { 2} } { ( 4x ^ { - 4} ) ^ { 2} y ^ { 2} }#?
  
• What is the value of n?
  
• What macromolecule is made up of nucleic acids?
  
• If (n-3)! = 42 * (2n-4)! Then find n?
  
• How do you write the complex conjugate of the complex number #84 - 63i#?
  
• Find the products AB and BA to determine whether B is the multiplicative inverse of A. ? a. B ≠ A^-1 b. B = A-1
  
• What is the equation, in standard form, of a parabola that contains the following points (–2, 18), (0, 4), (4, 42)?
  
• How do you write #((10+4i)-(3-2i))/((6-7i)(1-2i))# in standard form?
  
• How do you write a quadratic equation when given two points?
  
• For #f(x) =(1+2x)^2#, what is the equation of the line tangent to #x =1 #?
  
• How do you factor #4ab+1-2a-2b#?
  
• What is the Cartesian form of #( -2 , ( 7pi)/3 ) #?
  
• A triangular pyramid and a triangular prism have the same base and height. The volume of the prism is how many times the volume of the pyramid?
  
• How do you convert #(2pi)/3# into degrees?
  
• What is a chemical reaction that gives off energy?
  
• In the following exercises Write the series using summation notation ?
  
• How do you use the chain rule to differentiate #log_13(8x^3+8)#?
  
• Log2(x+1)=log4(x^2-x+4) What is the value of x?
  
• Consider the function defined as f(x) = e^x + e^-x/2, x > 0. Find the inverse of f?
  
• How do you write #P(x) = x^3 − 27x − 54# in factored form?
  
• How many gallons of 20% alcohol solution and 45% alcohol solution must be mixed to get 20 gallons of 25% alcohol solution?
  
• Write a thermochemical equation for the combustion of propane producing 2220 kj/mol heat please?
  
• How do you solve #3/x - 2/(5x) = 13#?
  
• How do you multiply #((x+1)^2) / (x-1) * [(2x-2)/ (x+1)]#?
  
• Sam was given $40.00 for his birthday and saves $5.00 of his allowance each week, while Susan has $90.00 but spends her weekly allowance plus $5.00 of her savings each week. When will they have the same amount?
  
• How do you solve # 4 /(x+1 )+ 3 /(x - 4) = 2 /( x +1)#?
  
• How do you find the x and y intercepts for #y=4x+4 #?
  
• How do you write 3/2 + 5/4 + 9/8 + 17/16 + 33/32 in summation notation?
  
• What is the equation of the parabola that has a vertex at # (2, -1) # and passes through point # (3,-4) #?
  
• How do you combine #(3n + 8)/(n^2 + 6n + 8) - ( 4n + 2)/(n^2 + n - 12)#?
  
• What is the factor? #2z^2+11z+6#
  
• I'm just asking for fun, Factor the Polynomial: 8pq^2+8pq+2p So what is the answer?
  
• A cone has a perpendicular height of 12cm and slant height of 13cm. Calculate it's total surface area (take pie r =3.142)?
  
• 10) A jury pool of consists of 50 potential jurors. In how many ways can a jury of 12 be selected?
  
• A triangle has two corners with angles of # pi / 2 # and # ( pi )/ 8 #. If one side of the triangle has a length of #13 #, what is the largest possible area of the triangle?
  
• A circle has a chord that goes from #( 5 pi)/4 # to #(4 pi) / 3 # radians on the circle. If the area of the circle is #64 pi #, what is the length of the chord?
  
• A line passes through #(8 ,2 )# and #(6 ,7 )#. A second line passes through #(3 ,4 )#. What is one other point that the second line may pass through if it is parallel to the first line?
  
• Solve the following?
  
• How do you find the first five terms of the given sequence?
  
• What is the standard form of #y=(x – 1)(x + 24) #?
  
• A baseball is hit off a 1 meter high tee at an angle of 36.9 degrees and at a speed of 27.4 m/s.How far to the nearest tenth of a meter does it travel horizontally?
  
• We have ABCD cyclic Convex quadrilateral HOW WE CAN PROVE THAT sinABD=sinADC?
  
• How do you find the points where the graph of #y^2+2y=4x^3−16x−1# is the tangent line vertical?
  
• For the z-test statistic 1.34, how do you compute the p-value assuming that the hypothesis test is a one-tailed test?
  
• A one-year insurance policy pays $10822 if the policyholder dies within one year. The premium paid by the policyholder is $351, and the probability of death within that year is 0.006. What is the expected gain of the policy for the insurance company?
  
• What key difference do experiments have that correlation studies do not have?
  
• How do you differentiate #g(x) = sqrt(x^2-3)sec(2-x)# using the product rule?
  
• How do you use implicit differentiation to find #(dy)/(dx)# given #3x^2+3y^2=2#?
  
• How do you differentiate #f(x) = x/(1-ln(x-1))#?
  
• How do you find the axis of symmetry if only given points (-6,0) and (2,0)?
  
• How do you graph #y=-3/(x-4)-1# using asymptotes, intercepts, end behavior?
  
• How many intercepts can a line have?
  
• Triangle ABC is formed by the points A(3, 4), B(2, 6), and C(5, 8). Find angle A to the nearest tenth of a degree?
  
• The value of Kc for rxn below 2 H2S(g) <----> 2H2(g) + S2 (g) find value of [H2S] ?
  
• Using the limit definition, how do you differentiate #f(x)=x^2+3x+1#?
  
• How do you find all real zeros of #x^5 - x^4 - 3x^3 + 5x^2 - 2x = 0#?
  
• How to solve for the variables of the figures below?
  
• How do you determine whether a linear system has one solution, many solutions, or no solution when given 8x =+ y = -16 and -3x + y = - 5?
  
• How do you tell whether the graph opens up or down, find the vertex, and find the axis of symmetry of #y=-2(x-4)(x+6)#?
  
• What is the maximum number of variables in a properly designed experiment?
  
• Please help with this question on mole concept?
  
• A bakery sells 6 bagels for $2.99 and 4 muffins for $3.29. What is the total cost in dollars of 4 dozen bagels and 16 muffins, not including tax?
  
• How do you simplifiy #\sqrt { 1573x ^ { 7} y ^ { 2} z ^ { 4} }#?
  
• The heights of women at a large university are approximately bell-shaped, with a mean of 65 inches and standard deviation of 2.5 inches. What is the probability that two randomly selected women are 65 inches or taller?
  
• How do you simplify #( \frac { \sqrt { 6} + \sqrt { 2} } { 4} ) ^ { 6} + ( \frac { \sqrt { 6} - \sqrt { 2} } { 4} ) ^ { 6}#?
  
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