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Goryan [66]
2 years ago
7

Any one that knows this please help thanks : )

Mathematics
2 answers:
Olin [163]2 years ago
4 0

Replace X with -2 then solve:

(-2) +3 / (-2)-1

1 / -3 which is rewritten as -1/3

Hatshy [7]2 years ago
4 0
X= -2

-2+3
--------- 1 divided by -3 = -3
-2-1

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Suppose that the average and standard deviation of the fine for speeding on a particular highway are 111.12 and 13.04, respectiv
antoniya [11.8K]

Answer:

3) (98.08, 124.16)

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 111.12

Standard deviation = 13.04

Calculate an interval that is symmetric around the mean such that it contains approximately 68% of fines.

68% of the fines are within 1 standard deviation of the mean speed. So

From 111.12 - 13.04 = 98.08 to 111.12 + 13.04 = 124.16

The interval notation in the smallest value before the highest value.

So the correct answer is:

3) (98.08, 124.16)

8 0
3 years ago
Which of the following is the same as 8.4 × 102 ?<br> a. 840<br> b. 84<br> c. 8,400<br> d. .84
gavmur [86]
Move the decimal 2 places to the right

8.4 becomes 840
7 0
3 years ago
Read 2 more answers
Please Help !!!!
swat32
The answer is A. Here's the equation graphed and shows why the answer is A

8 0
2 years ago
Latoya used 4 gallons of ginger ale, 1 gallon of orange juice, and 1 gallon of pineapple juice to make punch for her brother's b
Shkiper50 [21]

Answer: 96 cups

Step-by-step explanation: A gallon  holds 128 ounces there were 6 gallons used to make the punch. 128x6= 768 ounces

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8 0
2 years ago
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Use repeated addition to find the solution to each multiplication problem. Change any improper fractions to mixed numbers. 4x1/3
Nata [24]

Answer:

1\frac{1}{3}

Step-by-step explanation:

Given the following question:

4\times\frac{1}{3}

To find the answer simply multiply the numerators and the denominators by each other.

4\times\frac{1}{3}
4=\frac{4}{1}
\frac{4}{1} \times\frac{1}{3}
4\times1=4
1\times3=3
=\frac{4}{3}
\frac{4}{3} =4\div3=1\frac{1}{3}
1\frac{1}{3}

Hope this helps.

7 0
2 years ago
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