12 Answered Questions for the topic Grade 10

04/21/22

Hello! What is the reactant for NaOH (aq) + CuSO4 (aq) and also for Al (s) + CuCl2 (aq)?

I'm having trouble understanding our chemical reactions lesson at the moment. I've tried looking at other examples online but I can't comprehend them well. Any answers are appreciated. Thank you!
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Grade 10 Math Calculus Algebra

03/24/22

What equation should I use to answer this problem? ( nPn = N! or nPr = n! / (n - r)! )
Hello! I am having trouble answering this word problem: Assuming that all 21 contestants are qualified for each of the special awards, in how many ways can the winners for the special awards be... more
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Grade 10 Math

12/07/21

Math thinking question (urgent)
The school sells baseball caps with the school logo on them to raise money for charity. Last year theschool sold 600 caps at $20 each, This year the school is planning to increase the price. A... more
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Grade 10 Math

12/07/21

Thinking question (urgent please help its for a test)
1. A football is thrown in the air. The path of the ball can be described by the function given where his the height of the ball, in meters, and d is the horizontal distance.h= -0.01d + 0.4d + 7a)... more
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11/17/21

A rectangle has an area of 240m2 and its length is 4 more than twice its width. Find the dimensions of the rectangle. Show all your steps.
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05/03/21

Having trouble solving
The difference between two numbers is 72. Twice the smaller increased by the larger is 54. Determine the numbers
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05/13/20

In right triangle ABC, m∠C = 90, AC = 7, and AB = 13. What is the length of BC?
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10/16/19

Determining the type of triangle given 3 lines
Determine the type of triangle that is formed by the lines x+y=11, x-y=1 and x-3y=3. Justify your decision?
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08/22/19

Distance vertices

Three straight paths in a park create a triangle with picnic shelters at their vertices. The picnic shelters are located at (-24, 16), (56, -16) and (-72, -32). Where should a "splash pad" be... more
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Grade 10 Trigonometry

01/05/19

In , AB = 24 cm and BC = 10 cm. BD is perpendicular to AC. Find the ratio of the shaded area to the unshaded area.
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Grade 10 Trigonometry

01/05/19

A square with the area of 16cm^2 is surrounded by 4 congruent triangles, forming a larger square with an area of 90cm^2. Find the value of the triangles angles.

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09/18/16

Probability
A bag contains ten identical balls, each numbered with a different number from the integers 1 to 10. Lucky Pix draws three balls from the bag and holds them in her hand. She wins if the smallest... more
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