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Maths Equations > Calculator Paper revision Yr10 > Flashcards

Calculator Paper revision Yr10 Flashcards

1
Q

How do you express a number as a percentage?

A

Profit/ original number*100= answer

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2
Q

How do you find the circumference of a circle?

A

C=pie*diameter

Chicken pie dinner

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3
Q

How to find the area of a circle?

A

A=pie*r2

Apple pie and raisins 2

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4
Q

How do you find Pythagoras theorem?

A

a2+b2=c2
OR
c2-b2=a2

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5
Q

How do you find the area of a triangle?

A

Area=height*base/2

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6
Q

How do you find the area of a rectangle?

A

Length*width

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7
Q

How do you find the area of a parallelogram?

A

Base*height

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8
Q

How do find the area of the trapezium?

A

1/2(top+bottom)*height

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9
Q

How to find one side of a triangle on trigonometry?

A 
SIN-soh
COS-coa
TAN-toa
Sex on hard concrete always has terrible outcomes afterwards
Example: sin= opposite / hypotenuse
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10
Q

How to find an angle on trigonometry?

A

Step1- find either adjacent, hypotenuse, opposite to the angle
Step2- SOHCAHTOA tells the method needed
Step3- divide the 2 sides
Step4- find angle using -1 of either sin,cos or tan with the number from step 3

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11
Q

What is the quadratic equation

A

ax2+bx+c=0
Simplify into brackets (x+a)(x+b)
The answer will then =-a or -b

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12
Q

How do you work out the volume of a cuboid?

A

Lengthwidthheight

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13
Q

How do you work out the volume of a prism?

A

Area of cross-section*length

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14
Q

How do you find the volume of a cylinder?

A

Pier2height

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15
Q

What is the speed distance time triangle?

A

Speed=distance/time

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16
Q

What is the density mass volume triangle?

A

Density=mass/volume

17
Q

What is the compound interest formula?

A

1000*(1.03)3=1092.73
1092.73-1000=£92.73

1000= start price 
(1.03)3 = percentage of 3  and 3 years in indices
18
Q

What is the simple interest formula?

A

Work out percentage of number

Times it by the number of years

Maths Equations (1 decks)

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