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Potassium-40 (K-40) decays into argon-40 (Ar-40). Which of the following are true statements? Select all that apply. A. K-40 is the parent, and Ar-40 is the daughter. B. Ar-40 is the parent, and K-40 is
answered
Apr 14, 2020
Chemistry
middle-school
3
votes
57.6k
views
Select the correct answer. Read this excerpt from Abraham Lincoln’s Emancipation Proclamation. What did Lincoln recommend that the former slaves should do? And by virtue of the power and for the purpose
answered
Jan 7, 2020
English
middle-school
1
vote
8.2k
views
1. Consider the right triangle ABC given below. a. Find the length of side b to two decimal places. b. Find the length of side a to two decimal places in three different ways. 2. Solve the triangles below.
answered
Dec 11, 2019
Mathematics
high-school
0
votes
37.5k
views
A fragment of a collapsing gas cloud that comes to equilibrium with a central temperature of 4 million k will become a:
answered
Nov 11, 2019
Physics
high-school
6
votes
18.8k
views
A mental state other than an ordinary waking state, in which there are distinct changes in perception, emotion, memory, thinking, and the like, is called altered _____. a. states of mental awareness b.
answered
Jul 12, 2019
Social Studies
high-school
7
votes
120k
views
Which of the pairs of ratios are equivalent? A. 6 : 7, 30 : 36 B.18 to 24, 3 to 4 C. 6/7,42/56 D.18 to 24, 24 to 30 ASAP
answered
Jun 11, 2019
Mathematics
middle-school
5
votes
82.3k
views
Pablo folds a straw into a triangle with side lengths of 4x2 – 3 inches, 4x2 – 2 inches, and 4x2 – 1 inches. The perimeter of the triangle is 12x2 – 6 inches. If x = 1.5, what was the length of the straw
answered
Jun 8, 2019
Mathematics
high-school
1
vote
123k
views
When did feudalism start
answered
Nov 28, 2018
History
high-school
3
votes
223k
views
Select the option below that best completes the sentence in parallel structure. “After studying, Derek not only got an A on the test,” but he also scored the highest in the class. and he got a 100%. but
answered
Nov 12, 2018
English
middle-school
0
votes
6.4k
views
Which of the following does NOT describe Mercutio as he is portrayed in Shakespeare’s play? He has cold hands. He has a temper. He is a friend to Romeo. He is a kinsman to the Prince.
answered
Sep 30, 2018
English
high-school
4
votes
149k
views
When the tides are especially weak, it is called a ___ tide.
answered
Jun 25, 2018
Biology
high-school
4
votes
46.0k
views
Which of the following was one of the policy changes Thomas Jefferson made when he became president?. A. He urged Congress to support the Alien and Sedition Acts. B. He used expensive displays to inspire
answered
Feb 28, 2017
History
high-school
6
votes
112k
views
Y=7(15+x) solve for x m888888888888
answered
Feb 10, 2017
Mathematics
high-school
2
votes
106k
views
Linh buys two T-shirts for $12 each, a pair of shoes for $28, and a pair of jeans for $45. She has a coupon for 30 percent off her total purchase. There is no tax on her purchase. What is the final price
answered
Aug 9, 2016
Mathematics
middle-school
1
vote
16.4k
views
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