2.3 x 10^-3 * 4.2 x 10^2 =
.0023 * 420 =
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<span>
0.966
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</span>
</span>
40 liters.....30% is yellow tint
0.30(40) = 12 liters are yellow
if u add 6 liters....(12 + 6) = 18 liters are now yellow...and since u added 6 liters, ur total mixture is now 46 liters.
18/46 = 0.39 = 39% <===
53 degrees
Because 180 - 90 ( right angle ) - 37 = 53
Answer:
its B
Step-by-step explanation:
Answer:
The sample size is
Step-by-step explanation:
From the question we are told that
The margin of error is E =4.266
The standard deviation is
From the question we are told the confidence level is 99% , hence the level of significance is
=>
Generally from the normal distribution table the critical value of is
Generally the sample size is mathematically represented as
=>
=>