7) y= x^2-4x
8) y= 2x^2-3x+1
9) y= 9x^2-4
Answer: D) 0.0013
Step-by-step explanation:
Let x be the random variable that represents the lengths of rods.
As pr given , we have
n=100 ,
z-score :
For x= 119.985 inches , we have
Using the standard z-table , we have
The probability that Claude's sample has a mean less than 119.985 inches is
Hence, the probability that Claude's sample has a mean less than 119.985 inches is 0.0013.
Answer:
Step-by-step explanation:
factor each term into powers of primes
75 = 3×5²
20 = 2²×5
Greatest common factor = 5
75+20 = 5(15+4)
Answer:
If your question is about creating an equation, the answer is
8x + 6 = 21 6 more is after 8x
If your question is about the value of the equation, the answer is
1.875 or 15/8
Step-by-step explanation:
8x + 6 = 21 Subtract 6 on both sides
8x = 15 Divide 8 on both sides
x = 1.875
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