3 years ago

How can you make 100 by adding with the numbers 2653

Mathematics

1 answer:

lora16 [44]3 years ago

7 0

You can’t? I mean like adding 100 at a time or-

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Suppose that replacement times for washing machines are normally distributed with a mean of 9.3 years and a standard deviation o

Ad libitum [116K]

The probability will be found as follows:
z-score is given by:
z=(x-μ)/σ
where:
mean-μ=9.3
standard deviation-σ=1.1
but
σ/√n=1.1/√70=0.1315
thus the z-score will be:
z=(9.1-9.3)/0.1315
z=-1.5209
thus:
P(x<9.1)=P(z<-1.5209)=0.0643

7 0

3 years ago

PLEASE HELP<br> Type in expanded form. Use parentheses to indicate multiplication.<br><br> (2r)³

charle [14.2K]

It would be 8 $r^{3}$ because you have to multiply the exponent by each of the numbers exponents. you may not see it but 2 has a 1 as an exponent and so does r. 1 time 3 is 3 for each therefore each number now has an exponent of 3 and we got rid of the outside exponent. now all you have to do is simplify the 2 to the power of 3 which gives you 8 and that is all