How to calculate density - answers density = mass divided by volume
Volume equals? - answers πr²h
How to calculate speed - answers speed = distance divided by time
How to calculate diagonal length - answers width² + length² , then square root it
1.3 hours is - answers 1.5
how to calculate 5/8 of 64? - answers divide bottom by number (8/64) then times by top
(5x8)
4⅝ + 3¼ ?? - answers add big number first = 7 11/12
how to identify pentagon - answers any 5 sided shape
how to find all degrees of pentagon added? - answers number of sides, -2, x 180
what does tan60 = - answers tan 60= √3
what does cos60 = - answers cos60 = 1/2
what does sin30 = - answers 0.5
estimate means.. - answers round everything (even pie)
when dividing by 5 - answers divide by 10 and double it
how to draw pictogram: - answers in cubes
b²+b²+b²+b²= - answers 4b²
whats 8/2 as a decimal - answers 8 divided by 2 4
write down probability HOW - answers in a fraction
500 x - SIMIPLY THIS WHOLE TING - answers 500 x
plan , side elevation, front ? - answers plan= birds eye, side elevation= side, front=
front.
solve 9p < 48 - 3p - answers 9p + 3p < 48 (bring p's to 1 side)
, 12p < 48
(cancel it)
divide by 12 both sides
=p<4
divide 16/64 (smart way) - answers 16/64 = 1/4 = 0.25
"estimate for the solution of quadratic equation" - answers just write where it over laps
the axi
angles in a pentagon add up to - answers 540 degrees
Angles in a triangle add up to - answers 180 degrees
"work out size of angle ABC" (pentagon) - answers use *x* for needed angle,
use right angle is available
if theres an angle opposite use it for the same value
once you have equation, cancel down till u get x
to find H in CAH do = - answers A divided by H
to find x in a triangle - answers just x to cancel down equations to get x
example=
1/2=0.8/x
so times it by 2 to get a whole number
1=1.6/x
times that by x
x=1.6
how to find a percentage of number out ratio - answers find % of 9 in 7:9:4,
9/20(all), get denominator to 100
9 x 5 45
------ = --- = 45%
20 x 5 100
What's the mode? - answers The number that appears the most in a sequence. MO :
most.
What's the range? - answers The difference between the largest and smallest value
within a sequence.