<span>Answer:
n=64 is large enough to use a z-test. The two-tailed 90% confidence interval (5% in each tail) is
pop. mean +/- 1.64 (s.d. / sqrt(n) ) = 16 +/- 1.64 * 0.2/8 oz = [15.959, 16.041]oz
m</span>
9 and 7 will do that job for you.
9 x 7 = 63
and
9 + 7 = 16
and
9 - 7 = 2 .
Answer:
x = 10
Step-by-step explanation:
We need to isolate X.
3x - 7 = x + 13
subtract 13
3x - 7 - 13 = x
combine like terms
3x - 20 = x
subtract 3x
- 20 = x - 3x
Combine like terms
- 20 = - 2x
Divide by -2
10 = x
Answer:
y=4x^3−10x+128.805299
Step-by-step explanation:
Xmin:
-10
Xmax:
10
Ymin:
-10
Ymax:
10