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Vlad [161]
3 years ago
8

What is the answer of 13x - 4 < 12x - 1 ?

Mathematics
1 answer:
Pie3 years ago
6 0
Your answer is x<3. hope this helps.
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The distribution of blood cholesterol level in the
qaws [65]

Answer: A. Mean of sampling means =\mu=168\ Mg/dl

Standard deviation of sampling means =2.86\ mg/dl

B. The probability that your sample has mean less than  165 is 0.1492 .

Given : The distribution of blood cholesterol level in the

population of young men aged 20 to 34 years is close to normal with

mean \mu= 168 Mg/dl and standard deviation \sigma= 35 mg/dl.

Sample size : n= 150

Let \overline{x} sample mean values.

A. The mean and the  standard deviation of the distribution of the sampling means would be :

Mean of sampling means =\mu=168\ Mg/dl

Standard deviation of sampling means = \dfrac{\sigma}{\sqrt{n}}=\dfrac{35}{\sqrt{150}}

=\dfrac{35}{12.2474487}\\\\=2.85773803649\approx2.86\ mg/dl

The probability that your sample has mean less than  165 would be

P(\overline{x}

Hence , the probability that your sample has mean less than  165 is 0.1492 .

7 0
3 years ago
MUSIC Thirty-six percent of the songs on your MP3 player are pop songs.
vagabundo [1.1K]

Answer:

.36

Step-by-step explanation:

36% -> 36/100 -> .36

3 0
3 years ago
I need help with this ‍♀️
Ket [755]

Answer:

41

Step-by-step explanation:

hope it helps

8 0
3 years ago
I NEED HELP ASAP PLEASE. I CANT THINK TOO MUCH RN SO YEAH PLEASE HELP
BaLLatris [955]
There are 60 min per hour.
There are 24 hours in one day, so there are 60 times 24= 1,440 minutes in a day.
Person A: for 45 minutes per day had a heart rate of 150, and for 1,395 minutes per day had a heart rate of 60.
This means that her heart rate totaled (45x150) + (1,395x60) = 90,450 beats per day.
Person B: for 1,440 minutes per day had a heart rate of 72 beats per minute.
This means that her heart rate totaled (1,440x72) = 103,680 beats per day.

So for 365 days: 365(103,680-90,450)= 4,828,950-this is the number of beats MORE per year of Person B than Person A.
4 0
3 years ago
HELPPPPP SOMEONEEEEE
velikii [3]
QR = 23

Because the triangles are equal to each other, sides QR and TV are also equal. You can create an 3 or 4 step equation by writing the the QR equation is equal to the TV equation and then solving for X. After you solve for X, plug it back into the QR equation to solve for QR.
7 0
3 years ago
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