59,485 Answered Questions for the topic Math

Math

12/09/23

At the beginning of an experiment, a scientist has 200 grams of radioactive goo. After 255 minutes, her sample has decayed to 3.125 grams.
At the beginning of an experiment, a scientist has 200 grams of radioactive goo. After 255 minutes, her sample has decayed to 3.125 grams. What is the half-life of the goo in minutes?  Find a... more
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Math

12/09/23

The half-life of Radium-226 is 1590 years. If a sample contains 300 mg, how many mg will remain after 2000 years?

The half-life of Radium-226 is 1590 years. If a sample contains 300 mg, how many mg will remain after 2000 years? 
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Math

12/09/23

The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced to a mass of 7 mg.
The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced to a mass of 7 mg.
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Math

12/08/23

Find a degree 3 polynomial with real coefficients having zeros 3 and 2-2i and a lead coefficient of 1. Write P in expanded form. Be sure to write the full equation, including P(x)
Find a degree 3 polynomial with real coefficients having zeros 3 and 2-2i and a lead coefficient of 1. Write P in expanded form. Be sure to write the full equation, including P(x)
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Math

12/08/23

A store has a 20% off sale on pants. With this discount, the price of one pair of pants before tax is $15.20. What was the original price of the pants?
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Math Algebra 1

12/08/23

I NEED HELP ASAP PLEASE
Let f(t) represent the temperature of a turkey baking in an oven as a function of time (t) in the oven (in minutes). This means time (t) is the independent variable and temperature of the turkey... more
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Math

12/08/23

HELPPLEASEIMCONFUSED
Scarlett drove 9292 miles in 2, start fraction, 2, divided by, 3, end fraction232​ hours. If she drove at a constant rate, how far did she travel in one hour? Enter your answer as a whole number,... more
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Math Calculus

12/08/23

Exponential Quotient (solve without calculator)
Given y=(2-2x)/(e-2x), find dy/dx.
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Math

12/08/23

Line g passes through points (5, 1) and (3, 4). Line h passes through points (7, 7) and (4, 5). Are line g and line h parallel or perpendicular?
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Math

12/08/23

what is the triangles value
GEOMETRY Find the possible values of x . The perimeter is less than 28 feet. A triangle. The sides are labeled 7 feet, 7 feet and x. The possible values of x are
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Math

12/07/23

A rectangle has an area of 288 square meters and a base of 18 meters. What is the height?
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Math Algebra 1

12/07/23

I need help please
Write an equation in point slope form of the line with a slope of 4 that passes through the (3 -1)
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Math Algebra 1

12/07/23

The Normal Distribution
IQ is normally distributed with a mean of 100 and a standard deviation of 15. a) Suppose one individual is randomly chosen. Find the probability that this person has an IQ greater than 95. Write... more
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Math Algebra 1

12/07/23

The Normal Distribution
A variable is normally distributed with mean 19 and standard deviation 5. Use your graphing calculator to find each of the following areas. Write your answers in decimal form. Round to the nearest... more
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Math

12/07/23

Lin runs 5 laps around a track in 6 minutes. How many laps per minute is that?
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Math

12/07/23

Find a degree 3 polynomial with real coefficients having zeros 3 and 2i. and a lead coefficient of 1. Write p in expanded form. Be sure to write the full equation,
Find a degree 3 polynomial with real coefficients having zeros 3 and 2i. and a lead coefficient of 1. Write p in expanded form. Be sure to write the full equation,
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Math

12/07/23

Find an equation of a degree 3 polynomial (in factored form) with the given zeros of f(x): 2,3,-2. Assume the leading coefficient is 1.
Find an equation of a degree 3 polynomial (in factored form) with the given zeros of f(x): 2,3,-2.  Assume the leading coefficient is 1.
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Math

12/07/23

Find a degree 3 polynomial with real coefficients having zeros 2 and 4 - 4i and a lead coefficient of 1. Write p in expanded form. Be sure to write the full equation, including p(x)= .
Find a degree 3 polynomial with real coefficients having zeros 2 and 4 - 4i and a lead coefficient of 1. Write p in expanded form. Be sure to write the full equation, including p(x)= .
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Math

12/07/23

Twice the difference of a number and 2 is 8.

Twice the difference of a number and 2 is 8. use the variable x for the unknown number.
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Math

12/07/23

Reflect the point (4, -5) across the y-axis
Reflect the point (4, -5) across the y-axis
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Math

12/06/23

How do you solve an inequality
Ex: 4 - 3x > 16
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Math

12/06/23

ANGEL OF DEPRESSION

A lighthouse, depression 30 of m a tall, ship is from built the on top top of of Q the cliff that lighthouse is 180 m high. Find the angle the bottom of the cliff.
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Math Algebra 1

12/06/23

The Normal Distribution
z-Scores and Area under the Curve A researcher collected data on adults using an intelligence test. The data for these adults were approximately normally distributed with the following mean and... more
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Math Algebra 1

12/06/23

The Normal Distribution
z-Scores and Area under the Curve The National Sleep Foundation recommends that adults between 18−6418-64 years of age sleep between 77 and 99 hours per night. A researcher collected data on the... more
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Math Algebra 1

12/06/23

The Normal Distribution - Homework
Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed with a mean of 254 feet and a standard deviation of 58 feet.Use your graphing calculator to answer... more
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