Answers created by Phiri

• Back to user's profile
• Next
• Select all that apply. What types of triangles have at least two acute angles? right obtuse equilateral isosceles
  
• A cone and a cylinder have the same area base. The line's height is 6 times the height of the cylinder. How much greater is the volume of the cone? My teacher says you have to show your work
  
• How do you solve #8( 1+ 2v ) + 8= - 112#?
  
• How do you simplify #(9b^6 - 6b^3 + 2)/(3b^3)#?
  
• How do i verify the following trig identity? (tan^2x + 1)(cos^2x - 1) = -tan^2x
  
• How do you evaluate #\frac { x ^ { 4} + 4x ^ { 3} - 12x ^ { 2} - 10x + 2} { 2x + 1} #?
  
• What does #((x^3+x+3)(x-1))/(x-5)^2# equal?
  
• How do you solve #\frac { x - 8} { x } = \frac { 2} { 5}#?
  
• When one object heats another, does the temperature increase of one object always equal the temperature decrease of the other object?
  
• What is the value of x in this figure? 6√3 6 12√2 12√3
  
• A triangle has two corners with angles of # (2 pi ) / 3 # and # ( pi )/ 6 #. If one side of the triangle has a length of #12 #, what is the largest possible area of the triangle?
  
• Joe's bathroom floor is 5ft wide and 8ft long. he will cover the floor with 3in square tiles. how many tiles does joe need?
  
• How do you factor #4ax^2 + 4ax -24a#?
  
• How do you do this problem? That contains the point (11,4) and is parallel to the line with equation y+3x=7
  
• Miguela wound a garden hose around a circular reel. If the diameter of the reel was 10 inches, how many inches of hose was wound on the first full turn of the reel?
  
• A road sign is in the shape of a regular pentagon. what is the measures of each angle on the sign? round to the nearest tenth
  
• 5.7h=3.2h-8?
  
• How do you find the slope that is perpendicular to the line #y = -3x + 1#?
  
• What is the mean for 2,5,3,8,0,4,2,7,3?
  
• How do you write the equation in point slope form given x-intercept of -4 and a y-intercept of -1?
  
• How many molecules are there in 237 grams of #"CCl"_4#?
  
• How do you simplify #7[sqrt(3x)] - [sqrt(12x)]#?
  
• In one senior class, 1/3 of the students are honor students. Of these honor students, 2/7 are varsity athletes. If they are four athletes in the class, how many students are there in the class? a. 84 b. 42 c. 52 d. 60
  
• In isosceles triangle ABC, B is the vertex. The measure of angle B can be represented as (4x-2). The measure of angle A can be represented as (8x+1). Find the measure of all three angles of the triangle?
  
• What is the measure of angle c?
  
• What is the measure of angle a?
  
• What is the measure of angle b? someone please re-check my answer.
  
• How much heat (in kJ) is needed to convert 866 g of ice at -10˚C to steam at 126 ˚C? (The specific heats of ice and steam are 2.03 J/g. ˚C and 1.99 J/g. ˚C, respectively.)
  
• In the heating curve, heat is applied to a solid substance at a constant rate. What accounts for the fact that segment CD is longer than segment AB?
  
• Why is Kelvin used in the ideal gas law?
  
• What are the side lengths of a square when the diagonal is 6√2?
  
• How much is 90 C in Fahrenheit?
  
• This figure shows circle A with inscribed ∠RSQ . m∠RSQ=24° What is the measure of RSQ?
  
• What is 42% of 150?
  
• Jackie wants to put trim around the base of all the walls in her bedroom. The price of the trim is $1.19 per linear foot. How much will it cost her for the trim?
  
• Can someone help me?
  
• I need answer to Sofia has a plate 4 sides of equal length, 2 pairs of opposite sides that are parallel, and no right angles. What quadrualateral best describes the plate?
  
• Please help me find the sum of the geometric series?
  
• How do you solve #-70- 8x = 38- 4x#?
  
• How do you simplify #(3x ^ { 2} + 5x - 1) + ( 3x ^ { 2} + 3x + 15) - ( 6x ^ { 2} - 13)#?
  
• What is the axis of symmetry and vertex for the graph #y=x^2+8x+12#?
  
• What is the equation in point slope form that passes through the points (2, 1) and (-3, -6)?
  
• How do you find the roots, real and imaginary, of #y=12x^2 -7x -12 # using the quadratic formula?
  
• What is the slope of the line passing through the following points: #(4,-4), (7,0) #?
  
• Thermochemistry Calculations?
  
• How do you solve #w+ 4= 2( 4w - 5)#?
  
• How to make the Chemical Formulas for a merging Cation and Anion?
  
• How do you multiply and simplify #\frac { 3x } { x ^ { 2} - 36} \cdot \frac { x + 6} { 9x }#?
  
• How is iron connected to the elements it is surrounded by on the periodic table? Please answer
  
• 568 mL of Chlorine 25 C will occupy what volume at -25 C while the pressure remains constant?
  
• How do you solve #\frac { 4} { v ^ { 2} - 3v } = \frac { 1} { 5- v }#?
  
• What is y^2-81?
  
• How do you factor #6t^2+t-1#?
  
• How do I do this? Whats the answer?
  
• In 15 years, Maya will be twice as old as David is now. In 15 years, David will be as old as Maya will be 10 years from now. How old are they now?
  
• What is 15 divided by the square root of 2?
  
• How do you solve #\frac{x}{2}-\frac{x}{3}=\frac{5}{2}#?
  
• A gas tank has a volume of 28.1m^3 and a pressure of 18.4atm. The temperature of the gas is 32ºC. What is the Celsius temperature if the pressure changes to 22.7 atm?
  
• How do you simplify the expression #(16x^4y-12x^5y^3)/(2x^3y^2)#?
  
• Help..what is 2(4\3 πr^²)?
  
• What are two numbers such that the greater number is 75% more than the lesser number?
  
• Does anyone know how to solve this problem?
  
• How many chloride ions are there in 4.50 mol of aluminum chloride?
  
• How do you solve the system of equations #-3x+4y=-47# and #-3x+2y=-19# by combining the equations?
  
• How do you solve #x^2=0#?
  
• KClO3 → KCl + O2 How many grams of oxygen are produced in the decomposition of 5.00 grams of potassium chlorate?
  
• Help with precalc homework?!
  
• What is the slope intercept form of the line passing through #(3,11) # with a slope of #-1/2 #?
  
• How do you graph using slope and intercept of #4x+y=4#?
  
• Simplify #1/sqrt2+3/sqrt8+6/sqrt32#. Help, Plz?
  
• If the square of a positive number is added to five times that number, the result is 36. Find the number?
  
• 30.60.90. right triangle. How do I solve if the long leg is 10?
  
• Greg must choose a number between 49 and 95 that is a multiple of 3, 5 and 9. Write all the numbers that he could choose. If there is more than one number, separate them with commas?
  
• What is the perimeter of an equilateral trinagle with one side measuring 4x-8?
  
• 17 is 40% of what number?
  
• How do you simplify 1/square root of 7?
  
• What is #(5!3!)/(6!)#?
  
• How do you solve x^2 + 2x + 10 = 0 using the quadratic formula?
  
• How do you evaluate the expression 2n - 7 , for n=8?
  
• How do you solve #\frac { 2} { 3} n + 3\frac { 1} { 3} = 9\frac { 1} { 3}#?
  
• In the reaction between sodium oxide and water, what mass of sodium oxide will be needed to produce 5.90g of sodium hydroxide ?
  
• How many grams of magnesium phosphate (Mg3(PO4)2) will be produced from the reaction of magnesium with 54.21g of phosphoric acid (H3PO4) ?
  
• A solution has a volume of 5L and contains 20g of glucose whose molar mass is 180. What is the Molarity of the solution?
  
• In lab you measure out 87.25 grams of C4H8O4 for an experiment. How many mol is this?
  
• Writing word equations as chemical equations and balance homework?
  
• How can some substances (water, for example) act in some reactions as an acid and in other reactions as a base?
  
• How many mols of H2 can be produced from the equation ( 2Na+2HCl yield 2NaCl+H2) if you begin with 31.73grams of each reactant?
  
• How do you solve #y=2x+9# and #y=9x +10# using substitution?
  
• How many mol of NaOH are present in 66mL of 0.5M solution?
  
• How much heat is needed to melt 1.43 grams of ice into water from -5.34 to 84.3 c?
  
• What type of reaction is  Zn + 2HCl > ZnCl2 + H2?
  
• What are the number of moles of 0.4g of calcium?
  
• Solve the math problem please?
  
• How many right angles does a trapezoid have?
  
• What is this equation in slope-int form?
  
• What mass of Aluminum Hydroxide will be produced by the reaction of 78.33g of aluminum with excess water?
  
• Balanced or unbalanced 6 CO2 + 6 H2O = 1 C6H12O6 + 6 O2?
  
• How do you solve the rational equation #x /( x + 2) = (x - 3)/( x + 1)#?
  
• How do you translate #3# times the difference of #x# and #y# into a algebraic expression?
  
• How do you write the equation of a line passing through (-5, 2) and parallel to the line whose equation is y=-4x +3?
  
• Next