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IrinaVladis [17]
3 years ago
10

How to explain how to plot the points P(4,10) and Q(9,3) in a coordinate plane?

Mathematics
1 answer:
SpyIntel [72]3 years ago
6 0
Firstly, this is the most important thing to know (x,y). This means that you plot the first number in the x axis and the second number in the y axis. For example, (4,10). You would plot the 4 on the right side of the x axis and you would plot the 10 all the way at the top in the y axis.
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Question 2<br> Which TWO expressions are equivalent to<br> 1/2(2/3x-4)-2(1/4x-3)
VMariaS [17]

answer:

- 1/6 x + 4

steps by steps:

8 0
3 years ago
I need to know if the answer to number 9. Is correct
slava [35]
The answer to number 9 would be 43. 

Since it tells you that there is a straight angle that would equal 180. So I added up 61 30 and 46. I got 137. Then subtracted 137 from 180 and got 43.
8 0
3 years ago
The distribution of the number of viewers for the American Idol television show follows a normal distribution with a mean of 26
hjlf

Answer:

Probability that next week's show will have between 30 and 37 million viewers is 0.2248.

Step-by-step explanation:

We are given that the distribution of the number of viewers for the American Idol television show follows a normal distribution with a mean of 26 million with a standard deviation of 8 million.

<em>Let X = number of viewers for the American Idol television show</em>

So, X ~ N(\mu=26,\sigma^{2}=8^{2})

Now, the z score probability distribution is given by;

          Z = \frac{X-\mu}{\sigma} ~ N(0,1)

where, \mu = population mean = 26 million

            \sigma = standard deviation = 8 million

So, probability that next week's show will have between 30 and 37 million viewers is given by = P(30 < X < 37) = P(X < 37) - P(X \leq 30)

    P(X < 37) = P( \frac{X-\mu}{\sigma} < \frac{37-26}{8} ) = P(Z < 1.38) = 0.91621

    P(X \leq 30) = P( \frac{X-\mu}{\sigma} \leq \frac{30-26}{8} ) = P(Z \leq 0.50) = 0.69146

<em>Therefore, P(30 < X < 37) = 0.91621 - 0.69146 = 0.2248</em>

Hence, probability that next week's show will have between 30 and 37 million viewers is 0.2248.

4 0
3 years ago
Please help I don’t understand please
irinina [24]

Answer:

7.2

0.76

6.4

thats the answer

3 0
3 years ago
Read 2 more answers
How do u find the mean
dusya [7]
You add all the numbers & divide it by how many numbers 8 +9+9+9+10+10
7 0
3 years ago
Read 2 more answers
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