333 Answered Questions for the topic College Math

College Math Math Calculus Geometry

3d

Find an equation of a line that is tangent to the graph of f and parallel to the given line.

Function: f(x) = x3Line: 3x - y + 8 = 0 y= ? (smaller y-intercept)y= ? (large y-intercept)
College Math Math Calculus Geometry

3d

Find an equation of the line that is tangent to the graph of f and parallel to the given line.

Function: f(x)= -1/8x2Line:x + y = 0
College Math Math Calculus Geometry

3d

Consider the following function:

f(x) = x3 + 8,    (−2, 0)(a) Find an equation of the tangent line to the graph of f at the given point. y= ? (b) Use a graphing utility to graph the function and its tangent line at the point.
College Math Math Algebra 1 Algebra

03/25/21

At first, an athlete jogs at 5 miles per hour and then jogs at 6 miles per hour, traveling at 7 miles in 1.2 hours. How long does the athlete jog at each speed?

Hint: Let t represent the amount of time the athlete jogs at 5 mph. Then 1.2 - t represents the amount of time the athlete jogs at 6 mph. The athlete jogged _____ hour(s) at a speed of 5 miles per... more
College Math Math Algebra 1 Algebra

03/25/21

At first, an athlete jogs at 5 miles per hour and then jogs at 6 miles per hour, traveling at 7 miles in 1.2 hours. How long does the athlete jog at each speed?

Hint: Let t represent the amount of time the athlete jogs at 5 mph. Then 1.2 - t represents the amount of time the athlete jogs at 6 mph. The athlete jogged _____ hour(s) at a speed of 5 miles per... more
College Math Math Algebra 1 Algebra

03/25/21

At first, an athlete jogs at 5 miles per hour and then jogs at 6 miles per hour, traveling at 7 miles in 1.2 hours. How long does the athlete jog at each speed?

Hint: Let t represent the amount of time the athlete jogs at 5 mph. Then 1.2 - t represents the amount of time the athlete jogs at 6 mph. The athlete jogged _____ hour(s) at a speed of 5 miles per... more

03/24/21

At first an athlete jogs at 6 miles per hour and then jogs at 8 miles per​ hour, traveling 11 miles in 1.5 hours...

How long does the athlete jog at each​ speed? (Hint: Let t represent the amount of time the athlete jogs at 6 mph. Then 1.5 − t represents the amount of time the athlete jogs at 8 mph.)The athlete... more

02/23/21

Finite mathematics 1st year college homework help

Hi I'm struggling with two questions and would love some help.1. Brian requires 2100 calories per day to maintain his daily activities and to maintain a constant weight. He wants to gain weight.... more
College Math Math Geometry

02/13/21

Suppose that a semicircular region with a vertical diameter of length 18 is rotated about that diameter.

Determine the EXACT surface area (in square units) and the EXACT volume (in cubic units) of the resulting solid of revolution. Find: A. surface area in units2B. volume in units3
College Math Math Geometry

02/13/21

A right circular cone is inscribed in a sphere.

A right circular cone is inscribed in a sphere. The base of the cone lies in the bottom half of the sphere. A dashed line segment goes from the vertex of the cone to a point in the center of the... more
College Math Math

02/12/21

An object is thrown upward from the top of 64-foot ​building with an initial velocity of 48 feet per second. When will the object hit the​ ground?

An object is thrown upward from the top of a 64-foot ​building with an initial velocity of 48 feet per second. The height h of the object after t seconds is given by the quadratic equation h =... more
College Math Math

02/12/21

The area of the parallelogram is 55 square miles.

The area of the parallelogram is 55 square miles Find its base and height.h=x-3b=x+3
College Math Math Geometry Webassign

02/12/21

An observatory has the shape of a right circular cylinder surmounted by a hemisphere.

A cylinder and a half sphere are given. The figures are oriented so that the base of the half sphere is aligned with the top base of the cylinder. The bottom base of the cylinder has a point at its... more
College Math Math Precalculus Sat Math

02/09/21

Describe the transformation necessary to transform the graph of f(x) into that of g(x)

F(x)=x^2G(x)=-(x-3)^2
College Math Math Statistics Math Help

12/13/20

Workers at a private business was given a grade (A, B, C) based on their yearly performance. The data was recorded along with the department they belong.

The results obtained using MINITAB are shown below:Expected counts are printed below observed... more
College Math Algebra Trig

12/06/20

College Now Math

An object is thrown upward at a speed of 126 feet per second by a machine from a height of 16 feet off the ground. The height of the object after t seconds can be found using the equation s(t)=... more
College Math Calculus

11/19/20

Which one of the following matrices is BB^T?

Given the matrix B:1 3 2 2 -1 0 What is BBT?
College Math Algebra Sets

11/19/20

How many elements are contained in the set (1,5) \ {1}?

How many elements are contained in the set (1,5) \ {1}?
College Math Math Mathematics

11/06/20

Find the dimensions of the investigation area. Please help.

Police used 600ft of yellow tape to fence off a rectangular-shaped area for an investigation. The width of each side used 60ft less tape than the length of each side. Find the dimensions of the... more
College Math Math Statistics

10/25/20

Which distribution should you use for this problem? (Enter your answer in the form z or tdf where df is the degrees of freedom.)

A hospital is trying to cut down on emergency room wait times. It is interested in the amount of time patients must wait before being called back to be examined. An investigation committee randomly... more
College Math Math Statistics

10/25/20

How much area is in both tails (combined)? (Enter an exact number as an integer, fraction, or decimal.)

The mean age for all Foothill College students for a recent Fall term was 33.2. The population standard deviation has been pretty consistent at 15. Suppose that twenty-five Winter students were... more
College Math Math Statistics College

10/15/20

Let X = the average of the 49 races.

Suppose that a category of world class runners are known to run a marathon (26 miles) in an average of 144 minutes with a standard deviation of 13 minutes. Consider 49 of the races.Let X = the... more

problem solving

The store is selling lemons at $0.39 each. Each lemon yields about 2 tablespoons of juice. How much will it cost to buy enough lemons to make two 9-inch lemon pies, each requiring half a cup of... more

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