3 years ago

Whats the rule for this pattern, 3,1.5,0,-1.5,-3

1 answer:

5 0

The pattern subtracts 1.5 for each number in the pattern. 3-1.5 is 1.5. 1.5 minus 1.5 is zero. 0 minus 1.5 is -1.5. -1.5 minus 1.5 is negative 3. If we apply this rule to the next value, it would be -3 minus 1.5 which is equal to 4.5. The value after that would be 6, applying the same rule.

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yarga [219]

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3 years ago

Bobby calculates the mean number of goals for each of the players on a hockey team in the set {4, 7, 5, 8, 12, 2, 3, 5, 7}. Dete

katrin [286]

Answer:

2.3

Step-by-step explanation:

n = Number of data points = $9$

The data set is

$4, 7, 5, 8, 12, 2, 3, 5, 7$

Mean

$\bar{x}=\dfrac{4+7+5+8+12+2+3+5+7}{9}=5.89$

Absolute mean deviation

$\dfrac{|4-5.89|+|7-5.89|+|5-5.89|+|8-5.89|+|12-5.89|}{9}\\+\dfrac{|2-5.89|+|3-5.89|+|5-5.89|+|7-5.89|}{9}=2.3$

The mean absolute deviation of the data set is $2.3$ .

3 0

3 years ago

PLEASAE HELP ILL GIVE BRAINLIEST

Nastasia [14]

A.) -11
b.) 31
c.) -208
d.) 12
e.) -47
f.) -28

I hope this helped (I used bedmas)

4 0

3 years ago

Read 2 more answers

Solve for a -4+2(3a-5)=(1-1a)

Kobotan [32]

Distribute the two to each of the values in the parentheses.
-4 +6a-10= 1-1a

Then move like terms to the same side to simplify.
6a+1a=1+10+4
7a=15
a=15/7

6 0

3 years ago

Find the range of each set of data.

masha68 [24]

Answer:

set 1 =11 set 2 =208 Set 2 has the wider spread since the range is bigger

Step-by-step explanation:

range- find the largest number and subtract the smallest number from it

Set 1: 12-1 =11

Set 2: 230-22 =208

6 0

3 years ago