First term=a=-11
U1=a=-11
U3=a+2d=15
-11+2d=15
2d=26
d=13
2sin3x - (-11)=d
2sin3x=2
sin3x=1
sin(3x)=sin(90)
3x=90
x=30 degrees
Answer:
sorry look question at once and comment
Answer:
121/15
Step-by-step explanation:
When you simplify 12/15 you can divide the numerator and denominator both by 3. This gets you 4/5. Since all the others simplify to 2/3, 12/15 is not equivalent.
Answer:
ur welcome
Step-by-step explanation:
Answer:
-4 5/12
Step-by-step explanation:
-2 3/4 - 1 2/3
3/4*3/3= 9/12 2/3*4/4= 8/12
-2 9/12 - 1 8/12
-3 17/12
-4 5/12