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Ratling [72]
3 years ago
7

Solve -7+11-(-3 ) what is the answer need asap for class​

Mathematics
1 answer:
finlep [7]3 years ago
4 0

Answer:

=7

Step-by-step explanation:

−7+11−(−3)

=4−(−3)

=7

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Birth weights in the United States are normally distributed with a mean of 3420 g and a standard deviation of 495 g. The Newport
s344n2d4d5 [400]

Answer:

P(2450

And we can find this probability with this difference:

P(-1.96

If we use the normal standard table or excel we got:

P(-1.96

And that represent 95% of the data. so then the percentage below 2450 is 2.5% and above 4390 is 2.5 %

Step-by-step explanation:

Let X the random variable that represent the birth weights of a population, and for this case we know the distribution for X is given by:

X \sim N(3420,495)  

Where \mu=3420 and \sigma=495

We are interested on this probability

P(2450

And we can use the z score formula given byÑ

z=\frac{x-\mu}{\sigma}

If we apply this formula to our probability we got this:

P(2450

And we can find this probability with this difference:

P(-1.96

If we use the normal standard table or excel we got:

P(-1.96

And that represent 95% of the data. so then the percentage below 2450 is 2.5% and above 4390 is 2.5 %

6 0
3 years ago
HELP!! I only need the answer. Thank you!
zvonat [6]
The answer would be 6 3/8

Hope this helps c:
5 0
2 years ago
Good morning yall <3 say it back free points !!
NeTakaya

Answer:

okay thanks didn't expect this lol

6 0
3 years ago
Read 2 more answers
Which statement proves that this angle pair is the Corresponding Angles Theorem.<br> Criteria Laval
anzhelika [568]

Answer:

its jess

here is ur ans

first option is your answer

• ANGLE 2 AND ANGLE 6 ARE CONGRUENT BECAUSE THEY ARE CORRESPONDING ANGLES.

5 0
3 years ago
What is the sum of 2^5 and 7^2? Write the answer in the ordinary form.
posledela

Answer:

It's 81

Step-by-step explanation:

2^5 is 2*2*2*2*2 or 32

7^2 is 7*7 or 49

Add them together... 81

5 0
2 years ago
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