09/08/16

You can earn $20 per lawn mowing lawns or you can earn $7 per hour washing cars. Which part time job will help you earn more money? .

Write an algebraic expression to represent the money you earn for each job How can you use the algebraic expressions you wrote to compare the earnings of the two jobs? Suppose you could mow 2... more

could someone help me with me substitution method?

x-y=3 x=2y+9     

06/27/16

What is the distance between the points (23,-2) and (30,2)

college algebra distance

what is the number of moles of solute in 250 ml of a 0.4 M solution

molarity mass for chemistry question 

What is the mass of 4.00 mol of Ca3(PO4)2

What is the mass of 4.00 mol of Ca3(PO4)2

Pre Calculus

Given the exponential equation:(5/3)6x+2=(9/25)-x+2, find a common base and solve for x.a) -2/3 b) -3/2 c) 3/2 d) 2/3

Pre Calculus

How many winning lottery numbers are possible of a pick 5 where you must match all five numbers from 52 balls? a) 2,598,960b) 6.7 × 1065c) 311,875,200d) 120

Pre Calculus

Find the dot product between the vectors u and v: u = 6i - j and v = 4i + 2j

05/13/16

what's the average of the 8 new numbers?

The average of 8 numbers is 6.5. If each of the numbers is decreased by 3, what's the average of the 8 new numbers?

find the probability that the mean number of students is between 20 and 30.

Suppose the number of students in a class for the Business Statistics program at a University has a mean of 23 with a standard deviation of 4.3. If 15 classes are selected randomly, find the... more

find the present value that will grow to 22,000 if interest is 8% compounded quarterly for 19 quarters

i tried to solve this i dont even know how to start it

Only 12% of the people who applied to a certain university were accepted. If 1,020 people were accepted to the university, how many applied?

Only 12% of the people who applied to a certain university were accepted. If 1,020 people were accepted to the university, how many applied?

I need help in finding the doubling time for a city whose population is growing by 21% per year

the doubling time is ____ years?   So far I have ln2=t(ln(1.21)) but after solving that i get 3.63 and when i log it into my computer it says its wrong. can someone help break down the equation i... more

I need help in finding the doubling time for a city whose population is growing by 21% per year.

The doubling time is ______ years??? 

Can someone please explain to me how to convert this?

1.Converting 1.22g of O2 to moles? 2.Converting 1.05g of H2 to moles?

03/31/16

Maths Question

Solve for x:   4 - 1/2 (x + 5) =16

03/31/16

Maths Question

7s + 4 (3 - s) = 18   What is s

03/31/16

Write an equation that could be solved to determined how much money the mathclub raised.

The gaming club made $180 from fundraiser. The math club also had a fundraiser,and combined,the two clubs raised $322.

03/30/16

How many grams of talc should be used to prepare 500g of and 8% w/w gel in

 Phamarcy Math

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