3 years ago

What is the sum of -5 + 4

Mathematics

2 answers:

babymother [125]3 years ago

8 0

Answer:

it is -1

Step-by-step explanation:

hope this helps no problem

MAXImum [283]3 years ago

6 0

-1

Hope dat helpssssss

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Suppose the time it takes a barber to complete a haircuts is uniformly distributed between 8 and 22 minutes, inclusive. Let X =

salantis [7]

Answer:

$P(X>14)= 1-P(X$

And replacing we got:

$P(X>14)= 1- \frac{14-8}{22-8}= 0.5714$

The probability that a randomly selected barber needs at least 14 minutes to complete the haircut is 0.5714

Step-by-step explanation:

We define the random variable of interest as x " time it takes a barber to complete a haircuts" and we know that the distribution for X is given by:

$X \sim Unif (a= 8, b=22)$

And for this case we want to find the following probability:

$P(X>14)$

We can find this probability using the complement rule and the cumulative distribution function given by:

$P(X$

Using this formula we got:

$P(X>14)= 1-P(X$

And replacing we got:

$P(X>14)= 1- \frac{14-8}{22-8}= 0.5714$

The probability that a randomly selected barber needs at least 14 minutes to complete the haircut is 0.5714

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3 years ago

Tell the numbers that are odd and composite 2,14,23,24,25,31,45

fredd [130]

The odd numbers r 2,23,31 and the composite numbers r 14,24,25,45

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3 years ago

Elena has $0.90. Kia has 10 times as much money as Elena. Troy has one-tenth as much money as Elena. Does Kia have more money th

lina2011 [118]

Answer: Kia has ten times more money than Elena. Kia has more money that Elena.

Troy has one-tenth of the money Elena has. Troy has less money than Elena.

Step-by-step explanation:

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3 years ago

Read 2 more answers

Alexander is going to invest $1,900 and leave it in an

TiliK225 [7]

3,100= 1,900 +84x

right since 84 months in 7 years

so 14.3% right?

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3 years ago

5 times a number increased by 2 is the same as 8 more than 3 times the number. Find the number

wariber [46]

Answer:

5 times a number increased by 2 is the same as 8 more than 3 times the number.

Step-by-step explanation:

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3 years ago