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Radioactive cobalt-60 is frequently used in treating cancer. It took 24 years for a 10 gram sample to decay to 0.625 grams. What is the half-life of the sample?
answered
Nov 29, 2021
Chemistry
middle-school
2
votes
160k
views
Write (3 - 3i)(1 - 6i) as a complex number in standard form
answered
Nov 24, 2021
Mathematics
middle-school
7
votes
190k
views
A sample of gas in a closed container at a temperature of 72°C and a pressure of 5 atm is heated to 284°C. What pressure does the gas exert at the higher temperature? Answer in units of atm.
answered
Oct 18, 2021
Chemistry
middle-school
2
votes
46.0k
views
Which constellation is connected with lines in the picture?
answered
Oct 11, 2021
Biology
college
7
votes
122k
views
If you do not know dont answer and say i dont know just to get the points. i really need help.
answered
Oct 8, 2021
History
middle-school
7
votes
57.8k
views
Decide whether the connotation of each word is positive or negative. Then, sort each word into the correct category relaxed Negative Connotation Positive Connotation confident vain lazy tirnid careful
answered
Sep 7, 2021
English
high-school
4
votes
3.9k
views
Consider the equation 6 x + 3 y = 9. Which equation, when graphed with the given equation, will form a system with infinitely many solutions? y+2x=3 y+2x=9 y=2x+3 y=2x+9
answered
Aug 18, 2021
Mathematics
middle-school
2
votes
204k
views
The table shows all the possible sums when rolling two number cubes numbered 1-6 what is the probability that rolling two cubes results in a sum of 8.
answered
Jul 8, 2021
Mathematics
middle-school
2
votes
225k
views
Find the product -8.4 x–7.6
answered
Jun 15, 2021
Mathematics
high-school
3
votes
115k
views
On September 1, Horton purchased $13,300 of inventory items on credit with the terms 1/15, net 30, FOB destination. Freight charges were $280. Payment for the purchase was made on September 18. Assuming
answered
Jun 10, 2021
Business
college
5
votes
180k
views
Combatant commands use a phased approach when planning for a wide spectrum of operations. Which phase is characterized by a "rapid response to maintain the public trust and mitigate suffering and save
answered
May 28, 2021
Social Studies
high-school
4
votes
159k
views
Find the area of the figure. A rectangle topped by a triangle. The rectangle has length 6 yards and width 4 yards. The triangle has side lengths 3 yards and 4 yards. a. 48 sq. yd b. 60 sq. yd c. 30 sq.
answered
Mar 29, 2021
Mathematics
middle-school
4
votes
231k
views
Given the fractions 8/15 and 18/35, find the largest number that these fractions can be divided by, so that the quotient will be a whole number.
answered
Feb 14, 2021
Mathematics
high-school
5
votes
62.6k
views
Can someone help me with a Plato biologyA Virtual Lab1 ? URGENT!!!
answered
Oct 24, 2020
Biology
middle-school
2
votes
225k
views
Can someone please help me ASAP
answered
Aug 9, 2020
Mathematics
middle-school
3
votes
45.4k
views
If a bank assumes ownership of a piece of contaminated land a. The previous owner will be solely responsible for the cleanup b. The bank can re-sell the property without any liability for cleanup c. The
answered
Jul 9, 2020
Law
college
3
votes
108k
views
Leah ran 6 block north then back 4 block south
answered
Jun 11, 2020
Mathematics
middle-school
3
votes
217k
views
Who chooses the representatives from the "Several States"?
answered
Apr 21, 2020
History
middle-school
3
votes
108k
views
How does photosynthesis use solar energy?
answered
Apr 9, 2020
Chemistry
middle-school
6
votes
119k
views
Identify the length of BP. PLEASE HELP ASAP!!
answered
Jan 14, 2020
Mathematics
high-school
2
votes
64.7k
views
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