This is for the first one 85.714286%
This is for the second one
olution for 21 is what percent of 300
100%/x%=300/21
(100/x)*x=(300/21)*x - we multiply both sides of the equation by x
100=14.2857142857*x - we divide both sides of the equation by (14.2857142857) to get x
100/14.2857142857=x
7=x
x=7
now we have:
21 is 7% of 300
An example is the Golden ratio number. it goes on and on. an irrational number cannot be written as a fraction
Answer:
83 x 42 = 3486
24 x 17 = 408
1 ÷ 7 = 0.14285714285 (decimal) or 1/7 (fraction)
Answer:
65
Step-by-step explanation:
right angle triangle so:
a=??, b=72 and c=97
a^2+b^2=c^2
a=√c^2-b^2
a=√97^2-72^2 =65
1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60 are all the factors of 60. If a list includes any number other than what is listed here, it is NOT a choice.