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2 years ago

Guided Practice

Mathematics

1 answer:

GarryVolchara [31]2 years ago

3 0

Answer:

67°F

Step-by-step explanation:

I'M SORRY BUT I CAN'T FIND IT ANYWHERE AND I HAVE NO IDEA WHAT IT IS

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Which of the sets of ordered pairs represents a function?

IgorC [24]

Answer:

Neither set A nor set B represents a function.

Step-by-step explanation:

According to the definition of a function, for each input there exists a unique output. In other word for each value of x there exists unique value of y.

In set A we have four ordered pair (-4,5),(1,-1),(2,-2) and (2,3).

It means for x=2, we have two values of y, i.e., -2 and 3.

Since for a single value of x there exist more than one value of y, therefore set A is not a function.

In set B we have four ordered pair (2,2),(3,-2),(9,3) and (9,-3).

It means for x=9, we have two values of y, i.e., -3 and 3.

Since for a single value of x there exist more than one value of y, therefore set B is not a function.

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3 years ago

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The class sizes of elementary school classes in a public school district are normally distributed with an unknown population mea

weqwewe [10]

Answer: $(17.14,\ 22.86)$

Step-by-step explanation:

The confidence interval estimate for the population mean is given by :-

$\overline{x}\pm ME$ , where $\overline{x}$ is the sample mean and ME is the margin of error.

Given : Sample mean: $\overline{x}=20$

The margin of error for a 98% confidence interval estimate for the population mean using the Student's t-distribution : $ME=2.86$

Now, the confidence interval estimate for the population mean will be :-

$20\pm2.86=(20-2.86,\ 20+2.86)=(17.14,\ 22.86)$

Hence, the 98% confidence interval estimate for the population mean using the Student's t-distribution = $(17.14,\ 22.86)$

8 0

3 years ago

Can i PLEASE PLEASE PLEASE have some help?

DochEvi [55]

In order from left to right its RRRT
R is repeating and T is terminating

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3 years ago

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The table shows a pattern of exponents. Powers of 5 Value 5 cubed 125 5 squared 25 5 Superscript 1 5 5 Superscript 0 1 5 Supersc

dimaraw [331]

Answer:

Step-by-step explanation:

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3 years ago

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Do 9/11 and 36/33 form a proportion

satela [25.4K]

Answer:

Nope!

Step-by-step explanation:

No, because 9 x 4 = 36, whereas 11 x 3 = 33.

Hope that helps!

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3 years ago

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