Answer:
125π ft²
Step-by-step explanation:
1/4π(30)² - 1/4π(20)² = 125π
The correct answer is -4/63
Ming could have made it positive because the 2 fractions are negative. However, because theres another negative sign, it is a negative fraction.
Answer:
see below
Step-by-step explanation:
1 1/4 > z
Open circle and 1 1/4 since there is no equals sign
line goes to the left since z is less than the number
Answer:
18
Step-by-step explanation:
i actully dont know but i just want points sorry 4=85 -18+18
Answer:
Step-by-step explanation:
cos²<em>x</em> = 1-sin²<em>x</em> = 1-(5/13)² = 144/169
cos<em>x</em> = √(144/169) = 12/13
tan<em>x</em> = sin<em>x</em>/cos<em>x </em>= (5/13)/(12/13) = (5/13)×(13/12) = 5/12