Moments 8 Flashcards
millimeter (call milli)
thickness of cell phone
centimeter (cent for wedding)
width of wedding ring
meter (meet at the door)
a doorway is just over 2 meters tall
kilometer in miles (opposite of kill a mile - but same measurements)
1 km equals about 2/3 a mile
gram (you know)
the weight of a grape
kilogram (kill 2 lbs)
about 2.2 lbs
celcius
zero is freezing, 10 is not. 20 is warm, and 30 is hot
rate of exchange on a graph (exchange y for x)
y2 - y1/ x2 - x1
distribution with single clear peak (just one)
unimodal
distribution with two clear peaks
bimodal
on a graph with few distributions on right is skewed___
right (opposite of what you would think)
on a graph with few distributions on left is skewed___
left (opposite of what you would think)
uniform distribution
when data is spread evenly across range
outlier (outer)
an unexpected value that doesn’t fit any trend or pattern
covariance (co-dependent)
if two variables both increase, it’s a positive covariance. if one increases and one decreases, it’s a negative covariance and they are inversely related
first quantity is called..
independent variable
second quantity is called…
dependent variable
covariance (think co)
relationship between 2 variables
direct variable/variation (directly related)
if both variables increase or decrease
negative variance
if one variable increases, and the other decreases
inversely related
as one variable increases, the other decreases
answer is written as squared (2)
the area
area of a parallelogram (square leaning to one side) (parallel is basically a square)
h x b
area of a trapezoid (pyramid with flat top) (trap half the height times both bees)
1/2 x h x (b1 + b2)
area of a circle
pi x r(2) squared
area of a rhombus (diamond shape) (1/2 rhonda - that’s it)
1/2 x d1 x d2
kilo
1000
deca
10
deci
1/10
centi
1/100
milli
1/1000
1 yd in feet (yard fabric)
3 ft
1 mile in feet
5280 ft
1 lb in ounces
16 oz
1 pt in cups (pt size 2)
2 cups
1 qt = ? cups… (4 quarters = 1)
2 pts or 4 cups
1 gal in cups (gal 16)
4 qts or 16 cups
1 ton in pounds
2000 lb
3 gals in a liter of soda
3.8 liters
1 kg = ? lbs (kill twice the pounds)
2.2 lbs
1 inch in cm.
2.54 cm
1 meter in feet (the doorway)
3.28 ft
1 mile in km (kill a little more than a mile)
1.6 km
1 oz = ? grams (movie)
28.35 grams
1 mile in yards
1760 yards
hecta
100
length is measured with a…
ruler or meter stick
volume is…
the amount of space an object takes up
how to measure volume (volume of craigslist)
length x width x height
most accurate tool to measure large volumes
volumetric flask
most accurate tool to measure small volumes (simulation)
volumetric pipette
less accurate than volumetric flasks or pipettes (bottom graduate)
graduate cylinders, but still used to measure volume
liquids form a…(liquid molusck)
meniscus in a measuring tool
meniscus
the curve formed at the top of a liquid in response to its container
the meniscus curve can be…(FUD - micro)
upward (concave), downward (convex), or flat
the line you are reading should be even with the…
center of the meniscus
balances (balance the mass)
used to measure the mass of an object
mass
the amount of matter in an object
2 types of balances
triple-beam balance and electronic balance. electronic more common bc it’s easier to use
large scale items w/ large mass would be measured using…(which unit of weight) - don’t agree - this only 2.2 lbs
kilograms (kg)
measuring a few drops of water would be measured using___rather than liters.
milliliters
50 roman numeral (50 Large)
L
100 roman numeral (century - 100)
C
500 roman numeral (500 DC)
D
1000 roman numeral (1000 millinial)
M
the absolute value of any number is just the…
positive version of that number, I.e. |-3| = 3.
1 - 1000 Roman numeral acronym
I Value Xylophones Like Cows Do Milk
to change a decimal to a percent…
multiply it by 100
WORD problem: 4 less than a quotient of a number and 2 is at least 5
n/2 - 4 (greater than or equal to) 5
quotient of a number means….
fraction
