Answer:
x=(-2/3)
Step-by-step explanation:
(9x+13)^2=49
√(9x+13)^2=√49
9x+13=7
9x+13-13=7-13
9x=-6
9x÷9=-6/9
x=-6/9
-6/9=-2/3
Answer:
729
Step-by-step explanation:
I have not done this in some time so the terms may be a bit unconventional, but they work. The key to this is multiplying by -3.
1*(-3) = -3
-3*(-3) = 9
And so on.
1, -3, 9, -27, 81, -243, 729
I'm a little confused by this. 1/2 is too big, but 1 1/2 is too small?
If the three angles 37°, x° and 53° form a straight line, then:
37°+x°+53°=180°
Grouping terms:
x+(37+53)=180
Solving for x:
x=180-(37+53)
Answer: Fifth option: x=180-(37+53)
