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Fofino [41]
4 years ago
9

Can someone please help me

Mathematics
1 answer:
anyanavicka [17]4 years ago
5 0

Answer:

x=12 the other answer is 144.

Step-by-step explanation:

You set the expressions equal to each-other which gives you what x equals. then you substitute that in the A expression which gives you 144

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If 35% of a number is 150, find 15% if the number
Keith_Richards [23]

Answer:

64 2/7

Step-by-step explanation:

0.35x = 150

x = 3000/7

0.15(3000/7) = 450/7 = 64 2/7

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A nationwide survey of seniors by the University of Michigan reveals that almost 18.0% disapprove of daily pot smoking. If 8 sen
UNO [17]

Answer:

P(X\geq 2)=1- P(X

And using the probability mass function we can find the individual probabilities:

P(X=0)=(8C0)(0.18)^0 (1-0.18)^{8-0}=0.2044

P(X=1)=(8C1)(0.18)^1 (1-0.18)^{0-1}=0.3590

And replacing we got:

P(X\geq 2)=1 -[0.2044 +0.3590]= 0.4366

Then the probability that at least 2 disapprove of daily pot smoking is 0.4366

Step-by-step explanation:

Let X the random variable of interest "number of seniors who disapprove of daily smoking ", on this case we now that:

X \sim Binom(n=8, p=0.18)

The probability mass function for the Binomial distribution is given as:

P(X)=(nCx)(p)^x (1-p)^{n-x}

Where (nCx) means combinatory and it's given by this formula:

nCx=\frac{n!}{(n-x)! x!}

And we want to find this probability:

P(X\geq 2)=1- P(X

And using the probability mass function we can find the individual probabilities:

P(X=0)=(8C0)(0.18)^0 (1-0.18)^{8-0}=0.2044

P(X=1)=(8C1)(0.18)^1 (1-0.18)^{0-1}=0.3590

And replacing we got:

P(X\geq 2)=1 -[0.2044 +0.3590]= 0.4366

Then the probability that at least 2 disapprove of daily pot smoking is 0.4366

3 0
3 years ago
Estimate then find product 5,339 times 6
Aneli [31]
The answer is 32,000,because 5,339 times 6 is 32,034.
7 0
4 years ago
Stu invested $700 in a Cd. if the CD grows at a rate of %6 per year compounded annually, when will he double his money ?
Hoochie [10]

Answer:16.66 repeating years

Step-by-step explanation: take 6% of 700 the divide 700 by that number to get how many years until he doubles his money then check by multpling 42 * 16.66 repeating

7 0
3 years ago
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