Let a,b,c,d and e are five numbers
mean = (a +b+ c+ d+e)/5 = 30
⇒ (a +b+ c+ d+e) = 150_______(1)
now, Let the number excluded be a
then, new mean = (b+ c+ d+e)/4 = 28
⇒ (b+ c+ d+e)= 112
putting this value in (1),
⇒a + 112 = 150
⇒a = 150 -112 = 38
excluded number = 38
Answer:
0.36
Step-by-step explanation:
0.6 squared is 0.36
it is essentially 6 times 6 but as a decimal
Answer:
Explanation:
Using the PEMDAS rule:
P = parentheses
E = exponent
M = multiplication
D = division
A = Addition
S = subtraction
Step 1: 6 + 4 x 3 - 10/5
Step 2: 6 + 12 - 2
Step 3: 18 - 2
Step 4: 16
Answer:
I think the answer is b
Step-by-step explanation:
3cos(x)+3
Answer:
E
Step-by-step explanation: