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Lady bird [3.3K]
3 years ago
12

NEED. HELP. PLEASE. !!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
Nesterboy [21]3 years ago
8 0

Answer:

is d

Step-by-step explanation:

zmey [24]3 years ago
3 0
I’m pretty sure it is c.
let me know if i’m wrong:)
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The coefficient of the ab term is
Jlenok [28]

Answer:

A coefficient is an integer that is written along with a variable or it is multiplied by the variable. For example, in the term 2x, 2 is the co-efficient.

Those variables which do not carry any number along with them, have a coefficient 1. For example, the term y has coefficient 1.

Step-by-step explanation:

5 0
3 years ago
Ricky has gone through 24 pencils in the past three months. At this rate, how many pencils will Ricky go through in seven months
wlad13 [49]
Ricky will go through 56 pencils in seven months
3 0
3 years ago
Read 2 more answers
Consider a value to be significantly low if its z score less than or equal to minus−2 or consider a value to be significantly hi
ziro4ka [17]

Answer:

If the weight is higher than 5.8886 gr would be considered significantly high

If the weight is lower than 5.6121 gr would be considered significantly low

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

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

X \sim N(5.75241,0.06281)  

Where \mu=5.75241 and \sigma=0.06281

And the best way to solve this problem is using the normal standard distribution and the z score given by:

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

For the case when z =-2 we can do this:

-2 = \frac{X-5.75241}{0.06281}

And if we solve for X we got:

X = 5.75241 -2*0.06281 =5.6121

And for the other case when Z=2 we have:

2 = \frac{X-5.75241}{0.06281}

And if we solve for X we got:

X = 5.75241 +2*0.06281 =5.8886

If the weight is higher than 5.8886 gr would be considered significantly high

If the weight is lower than 5.6121 gr would be considered significantly low

5 0
3 years ago
Mary tutors english. For each hour that she tutors she earns 40 dollars. Let E be her earnings (in dollars) after tutoring for H
AleksAgata [21]

Answer:

A.) 40(t) = E

B.) 520

Step-by-step explanation:

t is for time, E is the total, H is the hourly rate.

plug in the numbers to get 40(13) = h and solve for H and you get 520

<em>-- Brainliest answer is much appreciated! :)</em>

7 0
3 years ago
What is the domain of y =<br> cos-1^x?
kirza4 [7]

Answer:

A

Step-by-step explanation:

correct on edge

3 0
3 years ago
Read 2 more answers
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