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Lorico [155]
3 years ago
11

5.

Mathematics
1 answer:
horsena [70]3 years ago
7 0
Need to know the radius.
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Please help!!!!!!!!!!!! 8 and 9
irina1246 [14]

m<E=45.5 m<F=45.5

this is question 8 can't see question 9

6 0
3 years ago
What is 66/55 in simplest form?
emmainna [20.7K]
66/55 in simplest form is 6/5. Because... 66÷ 11= 6 55÷ 11= 5
8 0
3 years ago
Read 2 more answers
Show the work please
frosja888 [35]

Answer: x = 9/2

Step-by-step explanation: 24 = 4x + 6

7 0
3 years ago
Read 2 more answers
Exhibit 6-5 The weight of items produced by a machine is normally distributed with a mean of 8 ounces and a standard deviation o
hjlf

Answer:

46.18% of the items will weigh between 6.4 and 8.9 ounces.

Step-by-step explanation:

We are given that the weight of items produced by a machine is normally distributed with a mean of 8 ounces and a standard deviation of 2 ounces.

<em>Let X =  weight of items produced by a machine</em>

The z-score probability distribution for is given by;

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

where, \mu = mean weight = 8 ounces

            \sigma = standard deviation = 2 ounces

The Z-score measures how many standard deviations the measure is away from the mean. After finding the Z-score, we look at the z-score table and find the p-value (area) associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X.

So, percentage of items that will weigh between 6.4 and 8.9 ounces is given by = P(6.4 < X < 8.9) = P(X < 8.9 ounces) - P(X \leq 6.4 ounces)

   P(X < 8.9) = P( \frac{  X -\mu}{\sigma} < \frac{  8.9-8}{2} ) = P(Z < 0.45) = 0.67364  {using z table}

   P(X \leq 70) = P( \frac{  X -\mu}{\sigma} \leq \frac{  6.4-8}{2} ) = P(Z \leq -0.80) = 1 - P(Z < 0.80)

                                                 = 1 - 0.78814 = 0.21186

<em>Now, in the z table the P(Z </em>\leq<em> x) or P(Z < x) is given. So, the above probability is calculated by looking at the value of x = 0.45 and x = 0.80 in the z table which has an area of </em>0.67364<em> and </em>0.78814<em> respectively.</em>

Therefore, P(6.4 < X < 8.9) = 0.67364 - 0.21186 = 0.4618 or 46.18%

<em>Hence, 46.18% of the items will weigh between 6.4 and 8.9 ounces.</em>

8 0
3 years ago
2. Which of the following is a linear inequality in two variables?
tester [92]
A !! 7x-4y=3 is linear !!


Please mark BRAINLEST

7 0
3 years ago
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