MichaelaRose
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School:
Pierce College
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"Say to those with fearful hearts, "Be strong, do not fear; your God will come, he will come with vengeance; with divine retribution he will come to save you." Isaiah 35:4♥
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Questions Asked
MichaelaRose:
Group Title
Is vinegar an acid or a base? What about baking soda? Explain how you know.
updated 2 years ago
2 replies
2 Medals
Mathematics
MichaelaRose:
Group Title
When hydrochloric acid is dissolved in water it produces _______ and ________ ions.
A.H3O+, OH-
…
updated 2 years ago
2 replies
1 Medal
Mathematics
MichaelaRose:
Group Title
The energy input of a light bulb is 100 units of energy. Its energy output is 70 units of energy. What is the energy efficiency of the lig…
updated 2 years ago
1 reply
1 Medal
Mathematics
MichaelaRose:
Group Title
What's a good song to make as an alarm ringtone? (I don't want to make it one of my favorite songs because after a month, I'll never be able…
updated 2 years ago
31 replies
4 Medals
Mathematics
MichaelaRose:
Group Title
Most energy in the US comes from coal-powered ___________. (11 letters)
updated 2 years ago
14 replies
No Medals Yet
Mathematics
MichaelaRose:
Group Title
A ______ is a machine that converts mechanical energy to electrical energy.
A. transmitter
…
updated 2 years ago
No Medals Yet
Mathematics
MichaelaRose:
Group Title
When n = energy efficiency and Pin = energy input and Pout = energy output, how can you mathematically represent the correct relationship be…
updated 2 years ago
1 reply
No Medals Yet
Mathematics
MichaelaRose:
Group Title
I don't know if this has previously been mentioned or not, but I think that there should be a limit on how many questions that a user can as…
updated 2 years ago
4 replies
1 Medal
Mathematics
MichaelaRose:
Group Title
True or false?
Oxidation is the reaction of a substance with oxygen to form a new substance. This is an example of a chemical change.
updated 2 years ago
1 reply
1 Medal
Mathematics
MichaelaRose:
Group Title
I have two questions...
•Why would food cook faster in a pressure cooker?
•What is one example of a chemical change that food goes through a…
updated 2 years ago
9 replies
2 Medals
Mathematics
MichaelaRose:
Group Title
Iron has a density of 7.9 g/cm3. How much mass is in a 10 cm3 sample of iron?
A.17.9 g
…
updated 2 years ago
3 replies
2 Medals
Mathematics
MichaelaRose:
Group Title
I hope there isn't an obvious answer to this question that I missed, but here it is: Is there any way to know how close you are to having yo…
updated 2 years ago
2 replies
4 Medals
Mathematics
MichaelaRose:
Group Title
How could the government use science or technology to prevent flooding instead of using levees in New Orleans? (I'm posting this here becaus…
updated 2 years ago
2 replies
2 Medals
Mathematics
MichaelaRose:
Group Title
How could the government use science or technology to prevent flooding instead of using levees in New Orleans?
updated 2 years ago
1 reply
No Medals Yet
Mathematics
MichaelaRose:
Group Title
In the United States,
A.all research on genetic engineering is funded by the government.
…
updated 2 years ago
4 replies
No Medals Yet
Mathematics
MichaelaRose:
Group Title
Our field biologist, Jackie Sharpe, proposed a hypothesis that stated that coral disease was to blame for the damage to the reef system. She…
updated 2 years ago
1 reply
No Medals Yet
Mathematics
MichaelaRose:
Group Title
Write a short paragraph describing 2 quantitative and 2 qualitative traits for a basketball.
updated 2 years ago
3 replies
1 Medal
Mathematics
MichaelaRose:
Group Title
True or false:
The mechanical advantage of a compound machine is equal to the one simple machine that has the greatest mechanical advantage…
updated 2 years ago
11 replies
1 Medal
Mathematics
MichaelaRose:
Group Title
Which of the following explains why a bicycle uses a gear?
A. The gear increases the effort force needed.
B. The gear increases resistance…
updated 2 years ago
No Medals Yet
Mathematics
MichaelaRose:
Group Title
I know this isn't Chemistry but there's no Physical Science group. Which of the following is the rate at which work is done?
A.force
…
updated 2 years ago
3 replies
2 Medals
Mathematics
MichaelaRose:
Group Title
Almost every time I get a message, I get like 15 of the same ones over and over again. It takes like 5 minutes just to delete all of them.
updated 2 years ago
7 replies
2 Medals
Mathematics
MichaelaRose:
Group Title
Explain how to get x=3 from the equation:
(5x - 1)/2 + (-3x - 1)/4 = 9/2
updated 2 years ago
23 replies
2 Medals
Mathematics
MichaelaRose:
Group Title
Solve and show the work.
(3-n)/(2)=(3)/(4)
updated 2 years ago
1 reply
1 Medal
Mathematics
MichaelaRose:
Group Title
When a parabola opens downward, we call the y-value of the vertex the maximum value of the function. Why do we call it the maximum value?
updated 2 years ago
1 reply
2 Medals
Mathematics
MichaelaRose:
Group Title
When a parabola opens upward, we call the y-value of the vertex the minimum value of the function. Why do we call it the minimum value?
updated 2 years ago
1 reply
No Medals Yet
Mathematics
MichaelaRose:
Group Title
Which of the following shows the square completed in the this equation?
x^2 + 3x - 5 = 0
…
updated 2 years ago
6 replies
1 Medal
Mathematics
MichaelaRose:
Group Title
A soccer player throws the ball onto the field from the sideline. An equation modeling the ball's flight is h = -16t2 + 18t + 2. In how many…
updated 2 years ago
4 replies
1 Medal
Mathematics
MichaelaRose:
Group Title
Use the quadratic formula to find the zeros of the function y = 2x2 + 3x + 6. Round to the nearest tenth if necessary.
updated 2 years ago
3 replies
No Medals Yet
Mathematics
MichaelaRose:
Group Title
Is the system consistent or inconsistent? y=-1/2x-1 and y=3x+3
updated 2 years ago
17 replies
2 Medals
Mathematics
MichaelaRose:
Group Title
Which of the following is a solution to the system y=-3x+5 and y=2x+5?
A.(1,7)
…
updated 2 years ago
2 replies
3 Medals
Mathematics
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