Answer:
r =29.82
Step-by-step explanation:
r/7.1 = 4.2
Multiply each side by 7.1
r/7.1 *7.1 = 4.2*7.1
r =29.82
Answer:
3
Step-by-step explanation:
y = -3x^2 + 5x <u>+ 3 </u>
↑ this is "the number at the end/constant," and according to the question the number at the end/constant is the y-intercept
Thus, the y-intercept is 3.
Answer:
Circumference of circle =2πr=2π×10.5=21πm
Step-by-step explanation: