Friday

December 19, 2014

December 19, 2014

Total # Posts: 17

***repost* - Grade 11 math**

Word problem: Wes saw fireworks at 28 degrees; Abby (who was standing 20 m away from him) saw the same fireworks at a 40 degree angle. Where was Abby standing? (The answer is 61.8m, but I don't know how to figure it out or sketch the triangle).
*December 17, 2014*

**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?
*April 8, 2014*

**Gr 10 math - finding slopes in shapes**

Thank you, Steve.
*March 23, 2014*

**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!
*March 23, 2014*

**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 ...
*March 11, 2014*

**Science**

Pretty much nothing. I'm really lost. I don't even know how to use my calculator with that SIN function.
*December 17, 2013*

**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 ...
*December 17, 2013*

**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).
*January 16, 2013*

**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).
*January 16, 2013*

**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?
*January 16, 2013*

**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 ...
*November 12, 2012*

**Gr 9 geography**

Thank you Ms. Sue! I looked everywhere and couldn't find anything like that.
*October 28, 2012*

**Gr 9 geography**

What is the geologic history of the sub-arctic, like Labrador in Canada?
*October 28, 2012*

**economics**

a firm with a kinked demand curve experiences an increased fixed cost explain how the firm's price, output and profit change
*April 2, 2012*

**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
*March 13, 2012*

**7th grade Math **

what is a glider
*October 12, 2011*

**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.
*May 2, 2011*

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