Answers by Xab Ion

Answers by Xab Ion

What percentage of strontium-90 remains in a sample after three half-lives have passed? 12.5% 15% 25% 60%?

answered Mar 29, 2019

2 votes

80.3k views

The solution for a system of two linear equations is (0,0). Which equation below could be one of the equations in the system? A. y= (1/3)x + 4 B. y= -3x C. y= 4x -5 D. y = 5 - x

answered Nov 9, 2018

6 votes

126k views

Whose Presidency was MOST concerned with fulfilling the country's Manifest Destiny? A) John Adams B) James K. Polk C) Andrew Johnson D) Abraham Lincoln

answered Sep 14, 2018

1 vote

49.7k views

Music appreciation The early twentieth century. Bartók decided to leave Hungary during A. World War I. B. the late twentieth century. C. the French Revolution. D. the impressionist movement.

answered Aug 14, 2018

3 votes

40.4k views

I need help to figure this problem out

answered May 24, 2018

3 votes

63.4k views

Resources need to be evaluated based on: Location Authority Standards Rules

answered Mar 4, 2018

4 votes

111k views

What is the equation of the line parallel to 3x+2y=8 and passing through the point (4,-3)

answered Feb 28, 2018

5 votes

25.6k views

Among those who argue against deporting everyone who has immigrated to the united states illegally are:

answered Feb 16, 2018

3 votes

38.8k views

What's 4v times 10? As in v x v x v x v x 10? I'm so confused. Thanks!

answered Jun 8, 2017

7 votes

141k views

In a chemical reaction, an iron atom became the ion Fe2+. What happened to the iron atom?

answered May 3, 2017

4 votes

215k views

What do you do when adding and subtracting fractions?01

answered Apr 16, 2017

2 votes

225k views

A 0.0010-kg pellet is fired at a speed of 50.0m/s at a motionless 0.35-kg piece of balsa wood. When the pellet hits the wood, it sticks in the wood and they slide off together. With what speed do they

answered Jan 22, 2015

3 votes

84.8k views

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