redmondmathblog

MATH SOLVE

Home / General

The ratios a:b and b:c are equivalent to one another Select all the statements that must be true 1. a=c 2. [tex] \frac{b}{a} = \frac{c}{b} [/tex] 3. b-a=c-b 4. a 5. if a=b, then b=c I think #2 is correct ,but I don't know about the others

Question

solved

general 11 months ago 5068

The difference of two numbers is 0.77. If the larger number is increased 5 times, then the difference becomes 77. Find the numbers.

Question

solved

general 11 months ago 1085

Identify the quadratic function(s). (Select all that apply.) 8 - 5x = 4(3x - 1) (4a + 2)(2a - 1) + 1 = 0 2y + 2(3y - 5) = 0 2b(b - 7) + b = 0

Question

solved

general 11 months ago 1286

Ryan, Michelle, and Erwin spent $13.50, $16.50, and $14, respectively, at an amusement park. Ryan bought three tickets for the Ferris wheel and two tickets for the water slide. Michelle bought one ticket for the Ferris wheel and four tickets for the merry-go-round. Erwin bought three tickets for the Ferris wheel, one ticket for the water slide, and one ticket for the merry-go-round. Let x, y, and z represent the ticket cost for the Ferris wheel, water slide, and merry-go-round, respectively. Identify the column entries that belong in the matrix equation that models this situation, A-1B = X.

Question

solved

general 11 months ago 3942

how to prove this???

Question

solved

general 11 months ago 7585

Which equation could be used to find the zeros of the function f(x) = 6x2-11x-10 = 0 ? (x+2)(x-5) = 0 (3x+2)(2x-5) = 0 (x-10)(x-1) = 0 (2x+3)(3x-4) = 0

Question

solved

general 11 months ago 4426

The distance from jonestown to Maryville is 180 miles, the distance from maryville to elm city is 300 miles, and the distance from elm city to jonestown is 240 miles. do the three towns form a right triangle? explain

Question

solved

general 11 months ago 9337

In June 2009, at the trough of the Great Recession, the Bureau of Labor Statistics (BLS) announced that of all adult Americans, 140,196,000 were employed, 14,729,000 were unemployed, and 80,729,000 were not in the labor force. What is the adult population? 14,729,000 140,196,000 154,925,000 235,654,000

Question

solved

general 11 months ago 8035

A farmer decides to enclose a rectangular garden, using the side of a barn as one side of the rectangle. what is the maximum area that the farmer can enclose with 100 ft of fence? what should the dimensions of the garden be to give this area?

Question

solved

general 11 months ago 6628

Find the volume of a square pyramid with base edges of 48 cm and a slant height of 26 cm. A. 11,520 cm3 B. 23,040 cm3 C. 7,680 cm3 D. 768 cm3

Question

solved

general 11 months ago 9179

Two cell phone companies have different rate plans. Runfast has monthly charges $10 plus $4 per gig of data. B A &D’s monthly charge is $6 plus $6 per gig of data. Your task is to determine under what circumstances each company has the better pricing. You will derive and solve a set of equations, graph those equations, and evaluate the meanings for these events. Don’t worry; I have a series of questions to guide you through the process. Good luck! 1. (1pt) Determine the equation for the monthly charges for Runfast and B A&D. Runfast= BA&D=__ 2. (4 pts)Use your mathematical skill to solve this system of equations using the substitution method. (show your work here)

Question

solved

general 11 months ago 8307

The focus of a parabola is (4,7) and the directrix is y=8. What is an equation of the parabola? (x−4)2=−4(y−9) (x−4)2=−2(y−7.5) (x−4)2=−0.5(y−7.5) (x−4)2=−(y−9)

Question

solved

general 11 months ago 9445

From midnight to 6:00 am, the temperature rose to 8C at 6:00 am, the temperature was -20. What was the temperature at midnight.

Question

solved

general 11 months ago 6728

A skydiver is at an altitude of 1.4 mi above the earth’s surface. From the skydiver’s viewpoint, what is the distance to the horizon?

Question

solved

general 11 months ago 9388

If you apply the changes below to the absolute value parent function, f(x) = |x|, what is the equation of the new function?Shift 4 units to the right.Shift 6 units up. A. g(x) = |x – 4| + 6 B. g(x) = |x – 6| + 4 C. g(x) = |x + 6| + 4 D. g(x) = |x + 4| + 6

Question

solved

general 11 months ago 9409

2. (05.03 MC)Part A: Explain why the x-coordinates of the points where the graphs of the equations y = 2−x and y = 4x + 3 intersect are the solutions of the equation 2−x = 4x + 3. (4 points)Part B: Make tables to find the solution to 2−x = 4x + 3. Take the integer values of x only between −3 and 3. (4 points)Part C: How can you solve the equation 2−x = 4x + 3 graphically? (2 points)(10 points)

Question

solved

general 11 months ago 2566

Three tennis balls are stored in a cylindrical container with a height of 8 inches and a radius of 1.43 inches. The circumference of a tennis ball is 8 inches. Round your answers to the nearest hundredth.

Question

solved

general 11 months ago 7996

asap The sixth grade is holding a canned-food drive. The number of cans collected each day was 45, 21, 3, 15, 32, 97, 68, 27, 29, and 52. What is the interquartile range of cans collected each day? Find the lower-quartile, upper-quartile, and interquartile range:

Question

solved

general 11 months ago 3853

For the solid described below, find the dimensions giving the minimum surface area, given that the volume is 64 cm3. a closed cylinder with radius r cm and height h cm.

Question

solved

general 11 months ago 4239

(NEED HELP ON THIS PROBLEM)select the three statements that correctly describe the coordinate systemA.The x- and y-axes intersect at 10.B.The x- and y-axes intersect at the origin.C.The x- and y-axes are parallel number lines.D.The x- and y-axes are perpendicular number lines.E.The x- and y-coordinates are used to locate points on a coordinate plane

Question

solved

general 11 months ago 8624