# Maths

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How do you find the hypotenuse
a squared + b squared = hypotenuse squared
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Define a mathematically similar shape
One is an enlargement of the other. They have a scale factor. Angles are the same
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What is the formula for sine?
Opposite/Hypotenuse
3 of 22
Expand the following (3x+5)(4x-7)
12x-7+20x-35 = 32x-42
4 of 22
Put this number into standard form 5670000000
5.67 x 10(to the power of 7)
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Name the first five triangular numbers
1,3,6,10,15
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Find the nth term of the sequence 17,28,39
17n-6
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What is the name of the horizontal axis on a graph
X- axis
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In the formula y=mx+c what are the values for m and c
m=gradient c=intercept
9 of 22
What is the formula for volume
area of cross section x length
10 of 22
What is the formula for the interior angle of any polygon?
(number of sides -2)x 180
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Are supplementary angles equal?
No, they add up to 180
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How do you find a bearing?
360 - (angle at the north line)
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What is the formula for speed
Distance/Time
14 of 22
What is the formula for density
Mass/Volume
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What is the area of a triangle formula
base x height/2
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What is the formula for the area of a trapezium
a+b x height/2
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What is the circumference of a circle?
pi x diameter
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what is the formula for the area of a circle?
pi x radius squared
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What are probabilities usually represented as?
fractions
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What is 6.37 to 1.d.p
6.4
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What is a top heavy fraction also known as?
Improper fraction
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## Other cards in this set

### Card 2

#### Front

Define a mathematically similar shape

#### Back

One is an enlargement of the other. They have a scale factor. Angles are the same

### Card 3

#### Front

What is the formula for sine?

### Card 4

#### Front

Expand the following (3x+5)(4x-7)

### Card 5

#### Front

Put this number into standard form 5670000000

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