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3 years ago

R0-180(x, y) maps to the same point as 80,180(x, y). True False

Mathematics

1 answer:

mariarad [96]3 years ago

6 0

The anser is false that what i think ):):(:(:(:(:(:

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Pete adds 78 to the fata set below. 20,32,32,45,50. Which statement below will be true?

ozzi

Answer:

the inter-quartile range will increase

Step-by-step explanation:

The initial data-set was;

20,32,32,45,50

Adding a new value 78 will have several effects;

The mean of the new set of values will increase since 78 is mostly likely to be an outlier.

The median of the new data set will increase. The median of the old data set is 32 while that of the new data set will be 38.5

The mode is the most frequent observation. Both the new and the old sets of values will have a mode of 32. The mode will therefore remain the same.

The inter-quartile range just like the range will increase

4 0

3 years ago

Jessica is filling glasses with water. Each glass holds 3/5 cup of water. She pours 4 1/5 cups of water into the glasses. How ma

xeze [42]

4 1/5 divided by 3/5 = 7

4 0

3 years ago

Read 2 more answers

I need the answer to the problem

Leya [2.2K]

Only a guess but 69.5 7
9

3 0

3 years ago

Read 2 more answers

Show that a/(b+1)-a/(b+1)^2 can be Written as ab/(b+1)^2

diamong [38]

Answer:

see this img

Step-by-step explanation:

img ☻

7 0

3 years ago

You measure 25 turtles' weights, and find they have a mean weight of 31 ounces. Assume the population standard deviation is 12.8

Firlakuza [10]

Answer:

Margin of error = 4.21 ounces

Step-by-step explanation:

According to the Question,

Given That, You measure 25 turtles' weights, and find they have a mean weight of 31 ounces. Assume the population standard deviation is 12.8 ounces

Therefore, Sample mean = 31 ounces , Sample size(n) = 25 , Alpha(α) = 0.10 & Population standard deviation(σ) = 12.8 ounces

Thus, Margin of error = $Z_{critical}$ × σ / √n ( $Z_{critical}$ at α=.010 is 1.645)

Putting The Values, We get

1.645 × (12.8 / √25 ) ⇒ 4.2112 ≈ 4.21

Thus, the maximum margin of error associated with a 90% confidence interval for the true population mean turtle weight is 4.21 ounces

8 0

3 years ago