59,485 Answered Questions for the topic Math

Math Calculus

12/18/23

A particle's position (in meters) is given by the equation s(t) = 5x sin(2x), on the interval [-1, 4] minutes. What is its instantaneous velocity at t=0
It should be 0 right because t = 0?
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Math Calculus

12/18/23

An equation of the line tangent to the graph of f(x) = (4x2-8x+3)4 at the point where x = 1is
 A. x=1 B. y=1 C. y-81 384(x-1) D. y-1=3.37497(x-1) E. y=5(x-1)thinking its B cant be sure though
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Math

12/18/23

or Find the slope of the line that passes through (9, 7) and (2, 3). Simplify your answer and write it as a proper fraction, improper fraction, or integer.
orWatch a videoFind the slope of the line that passes through (9, 7) and (2, 3).Simplify your answer and write it as a proper fraction, improper fraction, or integer.
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Math

12/18/23

Percentages and totals
18,900 employees is 29.4% of the employees then what the total amount of employees
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Math Algebra 2

12/18/23

let the graph of g be a translation of 3 units right and 2 units up, followed by a reflection of the x-axis of f(x)=x^2-5x. Write a rule for g
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Math

12/17/23

Trigonometry Word Problems
A helicopter is hovering 800 feet above a road. A truck driver observes the helicopter at a 20 degree angle. 25 seconds later the truck driver notices the angle of the helicopter is now at 60... more
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Math

12/17/23

Trigonometry Word Problems

Suppose you are flying a kite, and it gets caught at the top of the tree. You've let out all 90 feet of string for the kite, and the angle that the string makes with the ground is 70 degrees. How... more
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Math

12/17/23

Manny drew a scale drawing of a house and its lot. The scale of the drawing was 3 centimeters = 1 meter. What is the drawing's scale factor? Simplify your answer and write it as a fraction.
Manny drew a scale drawing of a house and its lot. The scale of the drawing was 3 centimeters = 1 meter. What is the drawing's scale factor?Simplify your answer and write it as a fraction.
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Math Algebra 2

12/17/23

State the number of complex roots, the possible number of real and imaginary roots, and the possible rational roots for each equation. Then find all roots. x^4-3x^2+2=0
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Math

12/17/23

how many times greater is 4.5 x 10 to the 9th than 4.5 x 10 to the 5th
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Math Calculus

12/17/23

partial fractions
find the volume generated by revolving the area bounded by y = (1/x^3+7x^2+10x), x=4, x=8 and y = 0 about the y-axis.
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Math

12/17/23

General knowledge

A clock took 5 seconds to strike 2times, at 2 clock. How long would this clock take to strike 5 times at 5 clock. ( Hint: it’s not 12.5 seconds)
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Math

12/16/23

I need to find the equation for this parabola
A satellite dish is shaped like a paraboloid of revolution. This means that it can be formed by rotating a parabola around its axis of symmetry. The receiver is to be located at the focus. If the... more
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12/16/23

statistics and probability

A researcher is investigating the effect of a new exercise program on weight loss. The null hypothesis is that the new exercise program does not lead to more weight loss than a standard exercise... more
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12/16/23

hypothesis stats and proba
A company is testing a new product to see if it is more effective than their current product. The null hypothesis is that the new product is not more effective than the current product, while the... more
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12/16/23

How many chloramphenicol capsules, each containing 250 mg of chloramphenicol are needed to provide 50 mg/kg body weight per day for 1 week for a person weighing 150 lbs.
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12/16/23

Speed problem math
There are 10 kilometres between Toy Town and Candy Land. A train carrying toys leaves Toy Town for Candy Land travelling at a rate of 4km/h. At the same time, a train carrying candy leaves Candy... more
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12/16/23

Date problem general

What will the date be in four days. If two days ago was December 19?
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12/16/23

Date problem math

Four days before yesterday was January 4th. What is the date today?
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12/16/23

How many were left

Dennis has 12 pairs of socks in his sock drawer. Six are blue and six are black. He gets when it is still dark after a winter storm has cut the electricity to his house. How many pairs of socks... more
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Math

12/16/23

mathematics homework problem
A swimming pool has a 3-foot wide cement walkway around its perimeter as shown.Write a simplified expression that represents the area (in square feet) of the cement walkway.
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12/15/23

find a demand function d(q) , where q is the quantity/number of the spectators. (assume d(q) is linear)
a baseball team plays in a stadium that holds 72000 spectators. with the ticket price at $8 the average attendance has been 29000. when the price dropped to $4, the average attendance rose to... more
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Math Statistics

12/15/23

URGENT!!! PLEASE:If n=21, x bar=41, and s=6, construct a confidence interval at a 99% confidence level. Give your answers to one decimal place.
If n=21, x bar=41, and s=6, construct a confidence interval at a 99% confidence level. Give your answers to one decimal place. < μ <
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Math

12/15/23

Daniel is teaching a class to make parols. He needs 450 sheets of craft paper. The paper is sold in packs of 30 sheets.
Find how many packs of paper Daniel needs to buy.
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Math Calculus

12/14/23

Which of these physical settings make sense for the object in question 1, whose position is given by a(t) = -3 cos(t)?
A car driving from San Diego to Los Angeles. B. An ant walking at a steady pace from the tip of a propeller toward the hub. C. A skydiver falling from a plane, before she opens her parachute. D.... more
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