Answer:
Without solving, the solution is greater than 21. The can be proven because a fraction of x is equal to 21, therefore x cannot be less than 21.
Step-by-step explanation:
Answer:
The scientific notation will be Letter D
AB=DC because they have the same side lengths
Answer:
58.3%
Step-by-step explanation:
Add up the numbers that are only in one circle
18+7+10 = 35
Take this over 60
35/60=.58333333
Change to percent form to one decimal place
58.3%
Use trigonometry here.
sinx = opposite side/ Hypotenuse
so, sinx = 4/5 = 0.8
x= sin^-1(0.8) which is 53.13
Hope it helps