Answers by Ray Hulha
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Answers by Ray Hulha

Answers by Ray Hulha
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Which of the following is used to determine the temperature of a star? O refraction O Doppler shift O emission spectrum absorption spectrum
answered Nov 2, 2024
3 votes
113k views
Calcium's atomic number is 20. It forms ions with 18 electrons. What is the electrical charge of a calcium ion? -2 -1 +1 +2
answered Oct 3, 2024
5 votes
181k views
What is the name of the symbol on a supplement label that means the product meets minimum safety and purity standards?
answered Oct 1, 2024
7 votes
234k views
What is the equivalent of 12 to the power of 4?
answered Aug 25, 2024
1 vote
30.3k views
Joana is meeting her friend at the Fair and the admission to get in is $10. Each ride/food costs $1.25 each Create an equation for Joana to use so she can calculate how much money she will be spending
answered Jul 27, 2024
3 votes
99.1k views
Which civil war did Julius Caesar play a key role? A) First Servile War B) Social War C) Sertorian War D) Great Roman Civil War
answered Apr 25, 2024
1 vote
121k views
A horizontal line has points A , E, D. A line extends vertically from point E to point C and forms a right angle at C E D. A line extends up and to the left from point E to point B. Which statement is
answered Apr 13, 2024
3 votes
62.2k views
How many free throws do you get when a basket is NOT made but you are inside the 3-point line? a) 1 free throw b) 2 free throws c) 3 free throws d) 0 free throws
answered Feb 29, 2024
1 vote
224k views
Why has mr. Putin long sought control over ukraine?.
answered Nov 8, 2023
2 votes
210k views
Select the values that make the inequality u≥8u≥8 true.(Numbers written in order from least to greatest going across.)
answered Jun 20, 2023
2 votes
56.7k views
Evaluate the relative success of international organizations as systems of global and regional governance in constantly changing political environments .
answered Apr 24, 2023
0 votes
110k views
Please help!! Due in 15 minutes!! Q.1. Which point is a solution to the system below? y ≤ -2/3x - 4 y ≥ 1/5x - 3 A. (0, 3) B. (-4, -2.5) C. (-5, 0) D. (-2, -4) Q.2. Which point is a solution to the system
answered Apr 8, 2023
11 votes
199k views
What component of Earth's atmosphere exists entirely as a result of photosynthesis? O oxygen gas O water vapor O nitrogen gas O carbon dioxide gas
answered Apr 3, 2023
8 votes
189k views
Given the following system of equations, what would be your first step in solving using the elimination method.
answered Mar 30, 2023
3 votes
64.1k views
X + 7 = 9 What does X equal?
answered Sep 23, 2022
5 votes
222k views
Which was Canada’s more important contribution to the war effort, providing food or providing soldiers? Explain your reasoning. How do you weigh the contributions of those who stayed on the home front
answered Jun 21, 2022
13 votes
83.1k views
4. Calculate the kinetic energy of a Hollywood star running from the paparazzi. The star's mass is 45.0 kg, and the star is running at a velocity of 3.00 m/s. a) 203 J b) 303.75 J c) 405 J d) 67.5 J
answered Jun 12, 2022
4 votes
121k views
Who was our 16th president?
answered Apr 18, 2022
11 votes
151k views
Define sustainable development and discuss some of the key issues that are essential in such a process .​
answered Apr 13, 2022
5 votes
196k views
A woman drives an SUV that gets ​13 mi/gal (mpg). Her husband drives a hybrid that gets 65 mpg. Every​ week, they travel the same number of miles. They want to improve their combined mpg. They have two
answered Apr 8, 2022
4 votes
172k views
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