Term 1 Studies Flashcards by Drake Denny | Brainscape

Q

What is pemdas used for?
M or D first?
A or s first?

A

Order of operations to solve an algebra equation

Whatever comes first left to right m and D are of equal value

Same goes for A & s

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Q

( B1 plus B2 ) 1/2 h is the formula for what?

A

Area of a trapezoid

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Q

1/2 Bh is the formula for what?

A

Area of a triangle

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Q

What does 144 good to know for?

A

Sq In / sq ft

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Q

1728?

A

Cu in / Cu ft

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Q

231?

A

Cu in / gallon

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Q

7.5?

A

Gallons / Cu ft

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Q

6 lbs = to what?

A

Weight of Av gas

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Q

6.7 lbs = what?

A

Weight of Jet fuel

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Q

How many dimensions is area?

A

2

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Q

Dimensions of volume?

A

3

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Q

1/2 Bh = what?

A

Area of a triangle

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Q

3.141 X radius squared X stroke X # of cylinders?

A

Engine Displacement

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Q

Definition of gear ratio?

A

Ratio of speed of gears

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Q

How do you find aspect ratio?

A

Wing span / wing chord

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Q

Compression ratio?

A

Comparison of volume tdc to bdc

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Q

Circumference = ?

A

Pi x diameter

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Q

Area of a circle?

A

Pi x radius squared

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Q

9 square feet = x square yards?

A

1 sq yd

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Q

Sq ft to sq in?

A

Multiply by 144

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Q

Sq in to sq ft?

A

Divide by 144

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Q

Sq ft to sq yds

A

Divide by nine

Q

Sq yds to sq feet

A

Multiply by nine

Q

Area of square?

A

Length X width

Q

Area of sphere

A

4 x pi x radius squared

Q

Pythagorean theorem

A

A2 plus B2 = C2

Q

Compression ratio formula

A

Total cylinder volume / compressed cylinder volume

Q

Side area of a cylinder

A

Pi X diameter X height

Q

27 Cu ft =x yards?

A

1 Cu yd

Q

Cu ft to Cu yds

A

Divide by 27

Q

V of cube?

A

Side cubed

Q

Volume of sphere?

A

4/3 X pi X r^3

Q

Bore Will always be what in math?

A

Diameter

Q

SA of cylinder formula

A

2 X pi x r X h plus 2 x pi X r^2

Q

V of cylinder

A

Pi x r^2 X h

Q

SA of sphere?

A

4 X pi X R^2

Q

Celcius to farenheight

A

C=f - 32 / 1.8

Q

Farenheight to Celsius

A

1.8 (c) plus 32

Q

12 in = x ft?

A

One

Q

3 ft = X yds ?

A

One

Q

36 in =x yds?

A

One

Q

5280 ft =x miles?

A

One

Q

16 Oz =x lbs?

A

One

Q

2000 lbs =x tons?

A

One

Q

1 quart =x pints?

A

Two

Q

1 pint = x fl Oz?

A

16 fl oz

Q

1 cup =x fl Oz ?

A

8 fl Oz

Q

4 QTs =x gallons?

A

One

Q

1 tbsp =x teaspoons?

A

Three

Q

V of right circular?

A

1/3 X pi x r^2 x h

Q

SA of a cube?

A

6s^2

Q

Compound interest:

A

A= ( 1 plus r/n)^ nt

Q

Simple interest:

A

I= PRT

Q

Kill him dead, but don’t call me Kiss kiss me

A

Mnemonic for
Order of metric prefixes