Wednesday
July 23, 2014

Posts by rayne


Total # Posts: 30

Math
80 miles =_____ kilometers

Math
If salesman earned a 6% commission on sales, and in one week he earned $300 in commissions, how much merchandise did he sell that week?

Math
What is 66 2/3 of 39?

Data Management
Why do you multiply 7!/3!3! by 2?

Data Management
1. How many eight digit even numbers are possible with the digits 7 5 4 5 7 5 0 7? Is the correct answer 240? If not, please explain. 2. Express t(6,3) + t(6,2) as a single term from Pascal's Triangle. *The (6,3) and (6,2) are subscripts of t.

Vectors
Three forces of 5N, 8N, and 10N act from the same corner of a rectangular solid along its three edges. a) Calculate the magnitude of the equilibrant of these three forces. b) Determine the angle that the equilibrant makes with each of the three forces.

Vectors
A ship is being pulled by two tugboats. The smaller tugboat is 13 degrees off the port bow and the larger tugboat is 20 degrees off the starboard bow. The larger one pulls twice as hard as the smaller tugboat. In what direction will the ship move?

Calculus & Vectors
Sketch the sets of complex numbers that would satisfy the following equations. a) |z| > 3 b) z = bi how would the sketches look like?

Calculus & Vectors
Sketch the sets of complex numbers that would satisfy the following equations. a)z=2 b)|z|=2 c)(5,4) d)(sqrt2, -sqrt2) Also, please explain how to do it. Thanks.

Biology
On your travels through eastern Canada and the United States, you notice gray squirrels everywhere. What can you infer about the squirrels' geographic range?

math
CAN ANYONE JUST GET ME HEADED IN THE RIGHT DIRECTION ON THIS PROBLEM 2x+2y+3z=-1 3x-5y-2z=21 7x+3y+5z=10

math
EITHER SUBSTITUTION OR ELIMINATION

math
i need help with this problem 2x+2y+3z=-1 3x-5y-2z=21 7x+3y+5z=10

Geometry
True or False: If a ray bisects an angle of a triangle, then it also bisects the side opposite the angle. If a plane intersects a cylinder, then the intersection must be a circle. I think the first one is true and the second one is false.

Geometry
True or False: If a ray bisects an angle of a triangle, then it also bisects the side opposite the angle. If a plane intersects a cylinder, then the intersection must be a circle. I think the first one is true and the second one is false.

econ
Consider a change in the table in Problem 2-3. The student’s set of opportunities is now as follows: Economics Biology 100 40 90 60 80 75 70 85 60 93 50 98 40 100 Plot this student’s production possibilities curve. Does the PPC illustrate increasing or decreasing opp...

econ
Consider the following costs that a student incurs by attending a public university for one semester: $3,000 for tuition, $1,000 for room and board, $500 for books and $3,000 in after-tax wages lost that the student could have earned working. What is the total opportunity cost...

economics
2-4. Based on the information provided in Problem 2-3, what is the opportunity cost to this student of allocating enough additional study time on economics to move her grade up from a 90 to a 100?

ECONOMICS
The following table illustrates the points a student can earn on examinations in economics and biology if the student uses all available hours for study. Economics Biology 100 40 90 50 80 60 70 70 60 80 50 90 40 100 Plot this student’s production possibilities curve. Does...

college algebra
x = 2,7

Algebra
Thank you.

Algebra
I have worked on this worksheet for hours. Is 3(m+10)=3(10+m) a cummutative addition?

Algebra
Algebra with Pizzazz need help with the riddle When Do Sky Drivers Use Decimals I have in a tent is satuasion?????

Math 7
13^51=6.473079898728652E56 What does the E mean? The full equation is actually: 13^51/5=n

math !!!!!!please part of a major grade!!!!!!
thank you *sighs in relief*

ethics
oh well that makes sense... somethings are old enough where that have become part of the culture and IS america(melting pot) while others are just there in america and can be 'taken out'(salad bowl)...

ethics
yes, but its basis is from another country/culture (in my opinion...)

biology
in captive...?

english
many and notable are the adjectives...

math
when in the absolute value of x equal to the absolute value of negative x? (always right?) negative sign is inside absolute value bars when is the absolute value of x equal to negative absolute value? (never?) negative sign is outside absolute value bars

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