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jok3333 [9.3K]
3 years ago
10

Hello I need help on it ​

Mathematics
2 answers:
Lunna [17]3 years ago
7 0

Answer:

7.5 = 7.549; 7.49

7.6 = 7.638; 7.57

7.7 = 7.712; 7.698

Step-by-step explanation:

7.7<u>1</u>2 rounds down to 7.7

7.5<u>4</u>9 rounds down to 7.5

7.6<u>3</u>8 rounds down to 7.6

7.4<u>9</u> rounds up to 7.5

7.6<u>9</u>8 rounds up to 7.7

7.5<u>7</u> rounds up to 7.6

If the underlined number is less than 5, we round down. If the underlined number is 5 through 9, we round up.

I Hope That This Helps! :)

Nookie1986 [14]3 years ago
6 0

Answer: The first one is 7.7. the second one is 7.5 the third one is 7.6 the 4th one is 7.5 the 5th one is 7.7 the 6th one is 7.6

Step-by-step explanation:

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A die was rolled eight times. The rolls were 2, 2, 3, 4, 4, 5, 6, and 6. What is the mean absolute deviation for this data? A) 1
adoni [48]

Answer:

The correct option is A:

MAD = 1 + 1/4

Step-by-step explanation:

For a set of N elements {x₁, x₂, ..., xₙ}

The mean is calculated as:

M = \frac{x_1 + x_2 + ... + x_n}{N}

And the mean absolute deviation is calculated as:

MAD = \frac{Ix_1 - MI + Ix_2 - MI + ...+ IX_n - MI}{N}

Here we have the set of 8 elements:

{ 2, 2, 3, 4, 4, 5, 6, 6}

The mean of this set is:

M = (2 + 2 + 3 + 4 + 4 + 5 + 6 + 6)/8 = 4

Then the mean standard deviation is:

MAD = \frac{I2 - 4I + I2 - 4I + I3 - 4I + I4 - 4I + I4 - 4I + I5 - 4I + I6 - 4I + I6 - 4I}{8} = 10/8

If we simplify this, we get:

MAD = 10/8 = 5/4  = (4 + 1)/4 = 4/4 + 1/4 = 1 + 1/4

MAD = 1 + 1/4

The correct option is A.

6 0
3 years ago
Is -7-5+3=1 true or false
grigory [225]
-7-5+3=1
-12+3=1
-9≠1. As a result, this is False. Hope it help!
7 0
3 years ago
First answer gets brain
Alex787 [66]
3 \frac{4}{7}m =8 \frac{1}{3} \\ \\\frac{25}{7}m=\frac{25}{3} \\  \\ m= \frac{25}{3}: \frac{25}{7}= \frac{25}{3}* \frac{7}{25}= \frac{7}{3}=2 \frac{1}{3}
4 0
3 years ago
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What is the equation in slope-intercept form of the line that passes through the points (2,-3)
Fittoniya [83]

Answer:

y=1x-6

Step-by-step explanation:

luckily i love math, plz put as brainliest

6 0
2 years ago
5/8y-12= -7<br> im stuck 9th grade math
Galina-37 [17]

Answer:

8

Step-by-step explanation:

\frac{5}{8}y-12=-7 \\ \\ \frac{5}{8}y=5 \\ \\ y=8

3 0
1 year ago
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