Answers by Sanja Melnichuk
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Answers by Sanja Melnichuk

Answers by Sanja Melnichuk
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how many moles of O2 is present in a 2.47L sample at 45oC and 1.10atm? how many moles of O atoms are present?
answered Nov 12, 2021
4 votes
37.6k views
Choose the word that BEST completes the following sentence: A person on Earth would weigh a lot more on the Sun due to increased ________________.
answered Aug 18, 2021
3 votes
94.0k views
Write an exponential function to model the situation. Then find the value of the function after 5 years to the nearest whole number. A populaton of 330 animals that decreases at an annual rate of 22%.
answered Jun 3, 2021
4 votes
218k views
Jonathan is building a fence for his chickens. The length of a rectangle is equal to triple the width. The perimeter(P=2L+2W) is 72 centimeters. What is the width of the fence?
answered Feb 26, 2021
0 votes
47.7k views
Can I get help with this question. I need to find the value of x​
answered Feb 24, 2021
4 votes
216k views
Use the limit definition of f’(x) to derive a formula for f’(x). f(x)=2xe^x and f’(x)=2xe^x+2e^x. Please help!
answered Nov 10, 2020
0 votes
10.1k views
Consider the sequence of steps to solve the equation: 5(x - 3) = 7x 2 Step 1 ⇒ 10(x - 3) = 7x Step 2 ⇒ 10x - 30 = 7x Step 3 ⇒ 3x - 30 = 0 Step 4 ⇒ 3x = 30 Step 5 ⇒ x = 10 Identify the property of equality
answered Oct 18, 2020
1 vote
94.7k views
Elma has $45. She gives 2/5 of her money to her sister. How much money did she give her sister?
answered Sep 25, 2020
4 votes
85.8k views
Classify each statement about catalysts as true or false.True Falsea. Catalyst are consumed by the overall reaction.b. Catalyst speed up chemical reactionsc. Catalyst lower activation energy
answered Aug 28, 2020
6 votes
38.7k views
Which planet is total recall largely set on?
answered Aug 22, 2020
3 votes
109k views
Which of the following is a use of the freedom to petition? a. writing a letter to your congressperson to demand that a streetlight be installed at a busy intersection near your house b. e-mailing your
answered Apr 12, 2020
6 votes
199k views
Christina earns $250 a week. To budget money, she pays $135 in bills each week. How much money does Christina have left at the end of the month?
answered Mar 21, 2020
5 votes
36.6k views
What was the purpose of Paul Revere’s ride? A. To warn the minutemen and Patriot leaders that British troops were coming to arrest them B. To set fire to British supplies C. To transport rifles taken from
answered Mar 11, 2020
1 vote
54.7k views
What is health insurance
answered Aug 16, 2019
5 votes
94.0k views
Name two ways the bill of rights protects citizens accused of crimes?
answered Apr 5, 2019
7 votes
195k views
The graph of F(x) can be stretched vertically and flipped over the x-axis to produce the graph of G(x). If F(x) = x2, which of the following could be the equation of G(x)? A. G(x) = 4x2 B. G(x) = -1/4x2
answered Feb 27, 2019
5 votes
101k views
A steel plaque is attached to a block of wood. The steel and the wood have the same mass. After the steel plaque and the wooden block were left outside in the sun for a period of time, both the steel and
answered Feb 6, 2019
5 votes
134k views
Help me please :3 :3 :3 ;3
answered Aug 3, 2018
4 votes
17.8k views
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