04/12/18

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The sum of nine and three times a number is 93. What is the number?
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04/12/18

an equation in the system is y=x+1. what is the other equation in the system if the solution is only at (0,1)
Possible answers: x-y=1 2x+2y=4 x+y=0 x+2y=2
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04/12/18

If 12g of radioactive substance are present initially and 7 years later only 6g remain, how much of the substance will be present after 11 years?
After 11 years there will be how many g’s of radioactive substance? Round 3 decimal places
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04/12/18

How are treaties made?
The alternatives are as follows a. negotiated by the president and approved by the Senate and b.  Negotiated by a Senate Committee and signed by the president.
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04/12/18

The vectors A=i+4j+3k and B=4i+2j-4k are
Inter 1st year basics learner Physics home work
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04/12/18

Angle between -4i+2j and 9k is
Inter 1st year basics learner This is homework
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04/12/18

George Bush was a former director of the cia
George Bush was a former director of the CIA  
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04/12/18

Write an expression for the length of each road in terms of x.
?  
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04/12/18

12 boys in the class. Boys are 24% of class, how many girls
 Nothing
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04/12/18

Hussein saw a total of sheep and ducks I a farm. If there were a total of 82 legs, how many ducks did he see?
 Hussein saw a total of 23 sheep and ducks in a farm. If there were a total of 82 leg, how many ducks did he see?
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04/12/18

3-(4-3x)^2 how did they get the answer? -9x^2+24x-13
They show me how to do it but I'm not sure how they got the answer still.  g(x) = 3-x2 h(x) = 4-3x Write g(h(x)) as an expression in terms of x.  g(h(x)) = 3-(4-3x)2 = 3-(16-24x+9x2) =... more
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04/12/18

A girl walks 5,000 meters in one hour. If the gurl walks at the same speed for 4 hours, how many kilometers will she have walked?
5,000 X     4 ---------- 20,000  So shouldn't that be the answer?
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04/11/18

The product of two consecutive odd integers is 3.5
Find all such pairs of integers  
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04/11/18

density and force
A solid block weighs 1.80 N in air. When fully submerged in water, it displaces a volume of 2.0 x 10-5 m3. Density of water is 1000 kg/m3. Determinea) the average density of the blockb) the normal... more
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04/11/18

hydronium ions form when H+ ions combine with water molecules
Does the hydronium ions form when H+ ions combine with water molecules?  
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04/11/18

Gravitational Potential Energy
How much work would be done launching a 400 kg weather balloon to an altitude of 50 km?   I'm supposed to use the equation PE = Gm1m2(1/di - 1/df) but have no idea how this equation works
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04/11/18

I need help with my math homework
A 12oz bottle of shampoo last Enrique 16 weeks. How long would you expect an 18oz bottle of the same brand to last him?
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04/11/18

Two numbers have a sum of 23 and a difference of 7. Write a systems of equation and solve it
I just dk how to answer this
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04/11/18

what would be the answer 8100=162(3(x-2)) solve for x (and the parenthesis inside the parenthesis are to the power of
A bacterial culture triples in size every hour. You begin obseving the number of bacteria 2 hours after the culture is prepared. The amount y of bacteria x hours after the culture is prepared is... more
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04/11/18

What happens to the volume of a cylinder when the height is doubled?
Volume of a cylinder Height Doubled
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04/11/18

is the mean always to a value in the data set
number sense
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04/11/18

diego spent more than $20 at the mall.
what is the inequality?
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04/11/18

How do I use the distributive property to express 14+63
Use the distributive property to express 14+63
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04/11/18

Eight more than four times a number is 28
A math question I do not know how to answer. 
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04/11/18

scientists believe the universe used to be very hot and dense before expanding
science about the big bang theory
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