Use a straightedge to draw a diameter of the circle.
Answer:
9.1x- 10000
9.1 x 10^-4
Step-by-step explanation:
b
T M - time that Maria drove;
49 * t C + 52 * t M = 191
t C + T M = 3.8 hours
t C = 3.8 - t M
49 * ( 3.8 - t M ) + 52 * t M = 191
186.2 - 49 t M + 52 t M = 191
3 t M = 191 - 186.2
3 t M = 4.8
t M = 4.8 : 3
t M = 1.6 hours
Answer:
Maria drove 1.6 hours.
X + y = 14
x = 3y + 2
3y + 2 + y = 14
4y + 2 = 14
4y = 14 - 2
4y = 12
y = 12/4
y = 3 <===
x = 3y + 2
x = 3(3) + 2
x = 9 + 2
x = 11 <===