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3 years ago

Help is need please!!

Mathematics

1 answer:

lianna [129]3 years ago

3 0

-4 has a solid dot, so -4 is included in the answer.

3 also has a solid dot, so 3 is also included in the answer.

All points between the two blue dots are also part of the solution.

Answer: Choice A.

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2 years ago

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3 years ago

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What is the solution set for the open sentence with the given replacement set? 4y + 2 = 18, {4, 5, 6, 7}

4vir4ik [10]

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3 years ago

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Which expression can be used to find 32% of 130?

Gemiola [76]

Answer:

b. 0.32 • 130

Step-by-step explanation:

Change the percent to decimal form

32% = .32

.32 * 130

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3 years ago

PLS HELP ME QUICK BRAINLIEST +15 POINTS!!!!!

Ipatiy [6.2K]

Answer:

3/4

Step-by-step explanation:

The mean of a data set is synonymous with the average. To find the mean, add up all the values in the data set and then divide by the number of elements.

From the table, there is 12 values. Thus, add up all the 12 values and then divide by 12:

$\bar x=\frac{(-3)+4+8+(-1)+(-4)+(-2)+0+2+5+2+(-3)+1}{12}$

Simplify:

$\bar x=\frac{9}{12}$

Reduce:

$\bar x=3/4$

Therefore, the mean of the data set is 3/4.

For the data set, this means that the average person guesses the temperature too high by about 3/4°F.

(Note: the symbol of x with a bar over it denotes the mean of a set)

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3 years ago