Grade Ten Hints
Grade Ten Hints
Hints:
1) Let the number of fares=x
Hints:
1) The number of shoes have to be an integer.
Hints:
1) He had 31 dollars left after making the bet.
Hints:
1) 3a = b, h = .5 * 3a
Hints:
None
Hints:
1) there are 360 degrees in one revolution
Hints:
1) Let (x+5)= distance on day1
2) Let (x+5)/2=distance on the second day
Hints:
1) Multiplying by an even number makes an odd number even, so 4y + 8 and 20x - 16 are even numbers.
Hints:
1) Fix a time - say 1 min.
Hints:
1) Set area of ABCD to x^2
Hints:
1) Let segment BC have length x
Hints:
1) 1^5=1
2) ((x^2-2)^5)^(1/5)=1^(1/5)=1
Hints:
1) Solve for x using perimeter.
2) Use Pythagoras to find ??????
Hints:
1)
boat at
40 min
<------------- .
. -----------> . 3 km .
boat at jacket jacket
20 min lost found
Hints:
1) Let the number be represented by abc, (a-b)^2=(b-c)^2
Hints:
1) Use the diagram
Hints:
1) Use similar triangles
Hints:
1) Represent current time as 5:00-x(minutes)
Hints:
1) Use the pythagorean theorem to the other two sides of the trapezoid.
Hints:
159.99=(3/4)*2X
Hints:
1)
Hints:
1) Use a system of equations
Hints:
1) let x = distance Shawn bikes
Hints:
1) Let x = number of marbles child one has 2) Let .5 * x - 4 = number of marbles child two has
Hints:
1) Use similar triangles
Hints:
1) Use the law of sines
Hints:
1) Find the height of B via Pythagoreas
Hints:
1) The height of an isosceles triangle makes a 90 degree angle with the base.
Hints:
1) Use your knowledge of isosceles triangles
Hints:
1) Draw altitude
Hints:
1) Draw the graph choosing radius of slope o.
Hints:
1) Start by finding out how many triangle you want to use to get the right area
Hints:
1) The distance from A to X is covered in three seconds travelling at a rate of 1 m/s
Hints:
1) Solve for DB, the hypotenuse of triangle BDC
Hints:
1) Take away the area of the triangles from the area of the squares.
Hints:
1) The score of each game must contribute equally to the average
Hints:
1) Find A + B, B + C, C + D
Hints:
1) v = (1/2) * b * h * l
Hints:
1) Often a matrix resembles a data table
Hints:
1) (x + 2 - 4(3)^.5)(x + a) is a quadratic equation
Hints:
1) Let x = teachers, Let y = professors
Hints:
1) Draw a graph.