09/18/14

Solve the system using a matrix
Solve the system  x1+2x2-2x3-2x5+4x6=-4 -x4-3x5+2x6=9 x1+2x2+6x5+6x6=0   x1=? x2=? x3=? x4=? x5=? x6=?
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09/18/14

Solve the equation using matrices
8x+3y-5z=16 x= y= z=
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09/18/14

Solve the system using a matrix 1
Solve the system x1+x2-4x3=3 3x1+4x2+3x3=-8   x1= x2= x3=
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09/17/14

The Vilas County News earns a profit of $20 per year for each of its 3,000 subscribers
Management projects that the profit per subscriber would increase by 1¢ for each additional subscriber over the current 3,000. How many subscribers are needed to bring a total profit of $109,725?
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09/17/14

Suppose a computer processor can perform about 1.9 billion operations per second. How many operations can it perform in 0.7 second?
Suppose a computer processor can perform about 1.9 billion operations per second. How many operations can it perform in 0.7 second?
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09/17/14

if there was 1/4 of a pie and amy want 2/3 of it how much does she want
please explain the answer out
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09/17/14

Tom and Sally order pizza. Tom ate 1/3 of the pizza and Sally had 2/5. How much pizza is left over?
I need help trying too find out how much pizza is left over and there is fractions that i dont know how too use
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09/17/14

t is important to diversify your investments ?
A. because money saved in a bank is not protected B. so you do not pay more taxes to the government C. in order to minimize risk and maximize return D. to keep your financial document
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09/17/14

need help??
I bought a pair of shoes for 350.If I used 5 paper bills to pay for these,what paper bills did i use to pay for my shoes?
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09/17/14

A wind farm produces 1 GWh of electricity per week from 31 x 1MW wind turbines.
 Calculate the capacity factor of the wind farm. Express your answer as a percentage.
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09/16/14

how do you find the IQR in a ogive graph
i am having trouble finding how my teacher got a number by using the IQR formula (Q3-Q1) but how do i find those quartiles in the ogive graph and how do i calculate it to get the IQR? that is... more
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09/16/14

Question is in the description because it was to big
A furniture factory has 2610 machine hours available each week in the cutting department, 2650 hours in the assembly department, and 2210 in the finishing department. Manufactoring a chair requires... more
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09/15/14

9. A fence is to be built around an area such as the one shown below, area a minimum and the perimeter is to be 300m? x x x y y 4y
9. A fence is to be built around an area such as the one shown below. What must be the values of x and y if the area is to be a minimum and the perimeter is to be 300m? inverted T-shape  Bottom... more
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09/12/14

systems of two equals
A self-employed contractor nearing retirement made two investments totaling $ 15,000. In one year, these investments yielded $573 in simple interest. Part of the money was invested at 3% and the... more
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09/12/14

Suppose that there are two types of tickets to a show: advance and same-day. The combined cost of one advance ticket and one same-day ticket is
I cant figure this out
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09/09/14

Can you help with my word problems
Video Store A charges $9 to rent a video game for one week. Although only members can rent from the store, membership is free. Video Store B charges $4 to rent a video game for one week. Only... more
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09/09/14

Need help in solving these questions!
How do you solve these problems in Statistics? The topic is about Testing the Difference between two population means case of two independent samples. I really am finding it hard to solve these... more
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09/08/14

Describe a sequence of five correct or incorrect answers that would each Math Fever score.
1) Super Brains:300 , 2) Rocket Scientists: -200 , 3) Knows-it -all: -250 , Teacher's Pet: 0
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08/26/14

word problem help
ed moura has $73000 invested in stocks paying 8%. how much additional money should he invest in certificates of deposit paying 2% so that the average return on the two investments is 3%
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08/19/14

How do I explain Earth tides?
I need help on my physical science challenge.
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08/19/14

How do I explain neap tides?
I need help with my Physical Science challenge.
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08/19/14

How do I explain spring tides?
I need help on my Physical Science challenge.
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08/19/14

Why is the Moon twice as effective as the Sun in the production of tides, although the Sun's gravitational pull on the Earth is 180 times stronger?
I need help with my Physical Science challenge.
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08/18/14

Greatest value of Sin4?T + cos4?T is
Greatest value of Sin4Θ + cos4Θ is 
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08/14/14

How do I get the numbers one through 20 only using six '1's
The integers from 1 to 20 can be represented by using six ones and the mathematical operations such as addition subtraction multiplication and division allowing for the use of parentheses exponents... more
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