Answer:
use khan academy
Step-by-step explanation:
No way is this correct!
5-3/2-9/4=1 1/4
The answer is C.
Answer:
1.870828693387
Step-by-step explanation:
Standard Deviation, σ: 1.870828693387
Count, N:4
Sum, Σx: 12
Mean, μ: 3
Variance, σ2: 3.5
Steps
σ2 = Σ(xi - μ)2
N =
(6 - 3)2 + ... + (1 - 3)2
4 = 14
4 = 3.5
σ = √3.5
= 1.870828693387
Answer:
1 7/12
Step-by-step explanation:
6
5
+
4
3
2 Find the Least Common Denominator (LCD) of \frac{5}{6},\frac{3}{4}
6
5
,
4
3
. In other words, find the Least Common Multiple (LCM) of 6,46,4.
LCD = 1212
3 Make the denominators the same as the LCD.
\frac{5\times 2}{6\times 2}+\frac{3\times 3}{4\times 3}
6×2
5×2
+
4×3
3×3
4 Simplify. Denominators are now the same.
\frac{10}{12}+\frac{9}{12}
12
10
+
12
9
5 Join the denominators.
\frac{10+9}{12}
12
10+9
6 Simplify.
\frac{19}{12}
12
19
7 Convert to mixed fraction.
1\frac{7}{12}1
12
7
Answer:
The answer is 1.5
Step-by-step explanation:
