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Doreen
Questions (14)
What are the principles of the following methods of separation of mixtures.
a)Use of a magnet b)Filtration c)Sublimation d)Use of
1 answer
166 views
A 5kg mass is dropped from a height above the ground after 45seconds.
I)Find the velocity of the mass as it hits the ground.
1 answer
135 views
A 5kg mass is dropped from a height above the ground after 45seconds.
I)Find the velocity of the mass as it hits the ground.
1 answer
114 views
Describe a simple experiment to determine the acceleration due to gravity
1 answer
97 views
1:A load of 800N is raised using a screw jack whose lever arm is 49cm has a pitch of 2.5cm.If it is 40% efficient,find the
1 answer
131 views
A man used a rod of length 5.00m to lift a 700kg marble. the fulcrum is 0.50m from the end of the bar that is under the marble
0 answers
276 views
Carbonates react with acids to form a salt, water and carbon dioxide gas. When 22.1 g of calcium carbonate are reacted with
3 answers
899 views
6 years from now , the sum of the ages of Megie and Vince is equal to 18. Four years from now, twice Vince age is equal to
0 answers
607 views
Write the mole ratio for Al+3 ion and CO3-2 ion in this equation, 2Al(NO3)3 + 3Na2CO3 = Al2(CO3)3 + 6NaNO3
1 answer
529 views
Why is a measured amount of water needed to determine the specific heat of a metal object?
1 answer
1,646 views
how does the number of electron pairs around a central atom determines its shape
1 answer
934 views
why does a sodium street lamp give off a different color light than a neon light?
1 answer
1,571 views
What is the color of a neon light?
1 answer
506 views
how does the infusion of african,european and indigenous cultures reflect itself in the americas?
1 answer
386 views
Answers (6)
I need the answer
Two subtracted from ten times a number is -142. What is the number
3.14 m/s^2
282451.78
I am also with Penn Foster doing the med billing/coding program. Just starting this paper and it looks like it will be a hard one. You guys have given me soon good advice. Thank you.
Compute the present value of a $100 cash flow for the following combinations of discount rates and times: r = 8 percent, t = 10 years.
