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alisha [4.7K]
3 years ago
7

Points U(4, - 2) and V(6, – 1).

Mathematics
1 answer:
olchik [2.2K]3 years ago
7 0
Type it into the app or online on ‘Desmos’ it a really good graphing calculator. I hope this helps
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2c + -2 = -6<br> what isthe answer
Murljashka [212]
2c + -2 = -6
-(-2) -(-2)
————————
2c = -4
————
2

C = -2
3 0
2 years ago
9+3v is greater than or equal to 6
kondaur [170]

Answer:

If you take it in terms of integers,

9+3v may or may not be greater or equal to 6. It depends on the value of the variable you put in.

For eg:- if you substitute the value for v as 2 then 9+3x2=15 which is greater than 6 but if you put in -1 for v then you will get 9+3x(-1)=6


8 0
3 years ago
Men consume on average 15 grams of protein a day. Assume a normal distribution with a standard deviation of 3 grams. A sample of
tatyana61 [14]

Using the normal distribution, there is a 0.4826 = 48.26% probability that the sample mean is between 15 and 16 grams per day.

<h3>Normal Probability Distribution</h3>

The z-score of a measure X of a normally distributed variable with mean \mu and standard deviation \sigma is given by:

Z = \frac{X - \mu}{\sigma}

  • The z-score measures how many standard deviations the measure is above or below the mean.
  • Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.
  • By the Central Limit Theorem, the sampling distribution of sample means of size n has standard deviation s = \frac{\sigma}{\sqrt{n}}.

For this problem, the parameters are given as follows:

\mu = 15, \sigma = 3, n = 40, s = \frac{3}{\sqrt{40}} = 0.4743

The probability is the <u>p-value of Z when X = 16 subtracted by the p-value of Z when X = 15</u>, hence:

X = 16:

Z = \frac{X - \mu}{\sigma}

By the Central Limit Theorem

Z = \frac{X - \mu}{s}

Z = \frac{16 - 15}{0.4743}

Z = 2.11

Z = 2.11 has a p-value of 0.9826.

X = 15:

Z = \frac{X - \mu}{s}

Z = \frac{15 - 15}{0.4743}

Z = 0

Z = 0 has a p-value of 0.5.

0.9826 - 0.5 = 0.4826 = 48.26% probability that the sample mean is between 15 and 16 grams per day.

More can be learned about the normal distribution at brainly.com/question/15181104

#SPJ1

4 0
1 year ago
PLEASE I HAVE 10 min TO FINISH THIS I NEED HELP
Brut [27]

Answer:

Is an acute angle. Acute angle should be 90 degrees

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
4x2 minus 20+48 factorise this polynomial completely
bulgar [2K]

Answer:

36

Step-by-step explanation:

With no parenthesis

7 0
3 years ago
Read 2 more answers
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