Start your trial now! First week only $4.99!*arrow_forward*

Question

Mixture Problem What amount of pure acid must be added

to 300 mL of a 50% acid solution to produce a 60% acid

solution?

Tagged in

Math

Algebra

Find answers to questions asked by students like you.

Q: 89. Volume of a Box An open box is constructed from a 6 in. by10 in. sheet of cardboard by cutting a...

A: Click to see the answer

Q: Diego bought some raisins and walnuts to make trail mix. Raisins cost $4 a pound and walnuts cost $...

A: Click to see the answer

Q: Find the slope of the line that goes through the given points. (1.2) and (10,6) Salact the corect ch...

A: Click to see the answer

Q: Use the diagram to find the angle measures of the triangle. Recall that the sum of the angle measure...

A: Click to see the answer

Q: All numbered streets runs parallel to each other. Both 3rd and 4th Streets are intersected by King A...

A: Click to see the answer

Q: Using exponential notation, we can write the product5 # 5 # 5 # 5 # 5 # 5 as .

A: 5·5·5·5·5·5

Q: One often hears the expression ℓ "two points determine a line. ℓ" Find a vector equation of the line...

A: Given: The line in IR3 determined by the points P=-1, 5, 0 and Q=2, 1, 1.

Q: Solve the system of linear equations by substitution. Enter your answer as an ordered pair. -2a -y=-...

A: We have to solve the given equation by substitution method .

Q: Speed of a Skidding Car Police use the formulas "30fdto estimate the speed s (in mi/h) at which a ...

A: Consider the equation: s=30fd……1 where: s=Speed in mi/hd=Skid distance in feetf=Coefficient of frict...

Q: 1.Solve the system of two linear equations algebraically using substitution. 4x+6y= -22 y+3x=1 2.Wo...

A: Click to see the answer

Q: Perform the indicated calculations. 2(2 + 1 + 2) in Z3

A: Given that, Perform the indicated calculations. 2(2 + 1 + 2) in Z3 It means, firstly we have to simp...

Q: The perimeter of the triangle shown to the right is 483 meters. Find the length of each side. x mete...

A: Click to see the answer

Q: A line has a slope of -3 and passes through the point (0,6). What is its equation in slope-intercept...

A: A line has a slope of -3 and passes through the point (0,6).

Q: Determine whether the pair of lines is parallel, perpendicular, or neither. y = 2x +9 y = 2x -7 Choo...

A: Click to see the answer

Q: Perform the indicated calculations. 2100 in Z11

A: To Perform: 2100 in Z11 Concept: a. Ifa≡b mod N, thenak≡bk mod N, for any positive integer kb. xmn=...

Q: Graph: y=x^2-2x-3

A: Click to see the answer

Q: find ||u|| for the given exercise, and give a unit vector in the direction of u.

A: Given: u=123 v=231 The modulus of the vector u→ can be calculated as, u→=12+22+32 =1+4+9 ...

Q: 1. Which point could NOT be paired with (4, 3) to create a function? A. (0, 3) В. (3, 1) С. (2, 3) D...

A: Click to see the answer

Q: Hiro works two part time jobs in order to earn enough money to meet her obligations of at least $450...

A: Click to see the answer

Q: Use the given conditions to write an equation for the line in point-slope form and in slope-intercep...

A: Point (-6,-4) Line- y=-4x+5

Q: Power Produced by a Windmill When the wind blowswith speed √ km/h, a windmill with blade length 150 ...

A: Mensuration: Power Produced by a Windmill When the wind blows with speed √ km/h, a windmill with bla...

Q: ) Graph: f(x) = -x² + x + 6. Find the (a)vertex and determine if it's a maximum or minimum point, (b...

A: Given: f(x) = -x2 +x+6 To find: (a) Vertex and to determine its maximum or minimum point. (b) Axis o...

Q: To find the x-intercept(s) of the graph of an equation, weset equal to 0 and solve for . So thex-int...

A: To find the x-intercept of the graph of an equation, we set ______ equal to 0 and solve ________. SO...

Q: 1. 'Solve by any method. 3x – 2x = 5

A: Click to see the answer

Q: Find uxv

A: Given: u= 3-2, v=46 To find: u×v

Q: Proposition 10.4. Let Sc N. If S is infinite, then S does not have a largest (with respect to the us...

A: Click to see the answer

Q: The path of water from a hose on a fire tugboat can be approximated by the equation y = −0.0045x2 +...

A: Given that the height y=6 feet We have to find the distance from the tugboat (x).

Q: Multiply. Write your answer in lowest te 4 5z 64z 822 8z? 25z The simplified product is

A: Click to see the answer

Q: 103–124 ■ Solving Basic Equations Find all real solutions ofthe equation.

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any ...

Q: Calculate the mean and median of the data set below: 15, 12, 11, 19, 21, 13, 14, 16, 20, 19 mean: 16...

A: Click to see the answer

Q: Please help ??

A: Click to see the answer

Q: 6 -1 Let A =| 0 -2 and B . Compute (AB)". Show your work. 4 3

A: Click to see the answer

Q: 17. Which describes a feature of the function shown on the graph above? Time A. Mark starts his trip...

A: So in this case we clearly see that marks walks away from home at different speed and coming back ho...

Q: Use reasoning other than converting to decimals, using common denominators, or cross multiplying to ...

A: Given two fractions 1135 and 1178.

Q: Suppose gas costs $3.50 a gallon. We make a model for thecost C of buying x gallons of gas by writin...

A: Given that the gas costs $3.50 a gallon.

Q: 33–44 ■ Using FOIL Multiply the algebraic expressions usingthe FOIL method, and simplify

A: “Since you have asked multiple question, we will solve the first question for you. If you want any ...

Q: 7–14 ■ Factoring Common Factors Factor out the commonfactor.

A: -2x3+xx(1-2x2)

Q: A circle is centered at the origin (0, 0) and has a radius of 5 units. a. Which points on the circle...

A: Click to see the answer

Q: Find an equation of the line having the given slope and containing the given point. Slope 7. through...

A: Given that :- Slope of line = 7 Line passing through points ( 5 , 2 )

Q: Determine whether the equation below has a one solutions, no solutions, or an infinite number of sol...

A: Click to see the answer

Q: Find the largest value of x that satisfies:log6 (x2)-log6(x+1)=6 x=_________

A: Click to see the answer

Q: Solve for x 2/5x + 3/4 = 9/10 Answer in decimal form

A: Solve the given equation

Q: Dominic went into a movie theater and bought 2 drinks and 5 candies, costing a total of $29.25. Colt...

A: Click to see the answer

Q: 16

A: Calculate F(x+2) F(x)+f(2)

Q: You sign a simple discount promissory note for $7,000 at a discount rate of 3%, for 48 months. What ...

A: Given that, Principle = 7000, Simple discount rate = 3% and Time = 48 months = 4 years

Q: Determine (a) the area and (b) the perimeter of the quadrilateral. Note that the figure is not drawn...

A: Click to see the answer

Q: (X-4)/(x-7 )-1= 3/(x-7)

A: Click to see the answer

Q: We determined that the given quadratic approximation is a concave up parabola with b = -15 and a = 1...

A: Click to see the answer

Q: Solve the system of linear equations by substitution. Enter your answer as an ordered pair. 4x-y = -...

A: We have to solve the linear equation by substitution We have 4x-y=-1 -5x+4y=-7

Q: The percent of US citizens that use the internet on a daily basis is shown on the graph, where the y...

A: Click to see the answer