Thursday
April 24, 2014

Posts by Iza


Total # Posts: 16

Gr 10 math - finding vertices
I know how to do the equation for one line in a shape, but how do I find them for two?

Gr 10 math - finding slopes in shapes
Thank you, Steve.

Gr 10 math - finding slopes in shapes
Is the slope 3/4 the same as -3/-4? In other words, do the negatives cancel each other out and become a positive number? Thanks!

Gr 11 - math linear systems
Word problem: School is raising money for scholarships, with the goal of $16,000. The plan is to sell event tickets for $10, and give each person in attendance a ball cap. The cost of the caps is $2 each. Other expenses add up to $2,000. The organizing committee needs to know ...

Science
Pretty much nothing. I'm really lost. I don't even know how to use my calculator with that SIN function.

Science
I'm supposed to fill in a table. The angle of incedence in air is given (starting with zero degrees and then at 10, 20, 30, 40, 50 and 60 degrees. Using the sin function on my calculator, I'm supposed to figure out the angle of refraction in an acrylic block. Can anyon...

Gr 9 Science - physics (part 2)
If the current at one corner of the 12V series circuit is 1.0 A, what is the current at corner number three (all three resistors are the same).

Gr 9 Science - physics
Thanks, that's what I thought. Did you happen to see Part 2 of this question? It is: If the current at one corner of the 12V series circuit is 1.0 A, what is the current at corner number three (all three resistors are the same).

Gr 9 Science - physics
If all 3 resistors in a series 12V circuit are the same, what will the voltage be across resistor no. 3?

Physics
A ski slope drops at an angle of 24 degrees with respect to the horizontal and is 500 m long. A 60 kg skier skis down from the top to the bottom of the slope. A.) Determine the change in gravitational potential energy of the skier+earth system. b.) If 20% of the gravitation po...

Gr 9 geography
Thank you Ms. Sue! I looked everywhere and couldn't find anything like that.

Gr 9 geography
What is the geologic history of the sub-arctic, like Labrador in Canada?

economics
a firm with a kinked demand curve experiences an increased fixed cost explain how the firm's price, output and profit change

Geometry
A pet store has various sizes of guinea pig cages. The diagram of the top of the cage has a width of 4.8cm and length of 6cm. what are the possible dimensions of this cage? A) 28in by 24in B) 28in by 18in C) 30in by 24in or D) 30in by 18in

7th grade Math
what is a glider

calculus
The formula for the area of a trapezoid is 1/2(b_1 + b_2)h where h = delta (x) Therefore, A = 1/2(4+k)2 + 1/2(k+8)2 + 1/2(8+12)2 = 54 Solving that equation yields k = 10.

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