#### The half-life of Palladium-100 is 4 days.

The half-life of Palladium-100 is 4 days. After 16 days a sample of Palladium-100 has been reduced to a mass of 1 mg.What was the initial mass (in mg) of the sample?   What is the mass 5 weeks... more

#### Chemistry problem

What is the greatest amount of magnesium oxide in moles that can be made with 6.3 mol Mg and 6.9 mol ? Which reactant is O2 limiting ? How many moles of the excess reactant will be left after the... more

8h

#### Find the position and velocity of an object moving along a straight line with the given acceleration, initial velocity, and initial position.

a(t) = 20/((t+2)²)v(0) = 20s(0) =10

#### find the quotient

Find the quotient and remainder forx^3+8x^2+12x−13/x+4The quotient is  ﻿ The remainder is

#### The expression can be written

The expression log (x^13 y^8 / z^3) A log(x)+B log(y)+C log(z)A=B=C=

#### precalculus hw due in 1 hour pleasehelp

The fox population in a certain region has an annual growth rate of 6 percent per year. It is estimated that the population in the year 2000 was 24000.(a) Find a function that models the... more

#### Diving Word Problem

Problem: Lauren dove into a swimming pool from a 15-foot-high diving board with an initial upward velocity of 8 feet per second. Find the time t in seconds it took Lauren to enter the water. Use... more

#### The sum of three number is 36. The difference of any two the numbers is 0. What are the numbers.

A. 0, 0, and 36 B. 0, 18, and 18 ... more

9h

#### math inequality algebra 1

in order to prepar for your graduation party, you must go to the grocery store to buy hamburgers and chicken. Hamburgers cost $2 per pound and chicken costs$3 per pound. You can spend no more than... more

9h

#### Use the general slicing method to find the volume of the following solid

The solid with a circular base of radius 5 whose cross sections perpendicular to the base and parallel to the x axis are equilateral triangles

9h

#### Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line

y = x3 y = xx ≥ 0about the x axis

#### Intro to probability and statistics.(if you solve you a genius)

Question 2: We have a collection of steel circles. The radius of each circle is a realization of a random variable R uniformly distributed in [1, 5].﻿ a) Determine the expected value of the volume... more

9h

#### Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line

y = √(25-x²) y = 0x = 2x = 4about the x axis

9h

#### Calculate the amplitude of the periodic function y=7cos(3x) .

A) 3B) 7C) 14D) -3

#### Find the period of the function y=2sin(4pix+1) .

A) 1/2piB) 1/2C) 2D) 2pi

9h

#### Chemistry Question 16

The pressure of a 0.5388 mol sample of C2H6 in a 22.773 L container is measured to be 4.9487 atm. What is the temperature of this gas in kelvins? Remember:PV = nRTR= 0.0821 atm•L/mol•K

#### Chemistry Question 15

Using the Ideal Gas Law and the given measurements, solve for the unknown variable.How many moles of Rn are in a 63.353 L container at 5.8102 atm and 527 K? Remember:PV = nRTR= 0.0821 atm•L/mol•K

9h

#### For the following exercise, j ∥ k and △ABC  is given. Given:m∠3 = 52° m∠2 = 77° Find:m∠1, m∠4, and m∠5 in degrees

For the following exercise, j ∥ k and △ABC is given. ( I JUST NEED THE ANSWER) ITS THE LAST PROBLEM Given:m∠3 = 52° m∠2 = 77° Find:m∠1, m∠4, and m∠5 in degreesThere are two lines, six labeled... more

#### what is the value of x?

Thomas wants to invite Madeline to a party. He has an 80% chance of bumping into her at school. Otherwise, he’ll call her on the phone. If he talks to her at school, he’s 90% likely to ask her to a... more

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