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1 year ago

10

PLS HELP What is the median of this data set?

1 answer:

balu736 [363]1 year ago

7 0

Answer:

$3.50

Step-by-step explanation:

add up all the x's and distribute them starting from the outside until you get to the middle. if there is an odd number of x's (which there isn't), the last x to be placed will be on the spot that is the median. If there is an even number of x's, and they both land on the same spot, that spot will be the median, and if they are next to each other, the median will be between them.

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Solve for c. -3b+ac=c-4. Please show all work.

Luden [163]

-3b+ac=4
Move c to the left and - 3b to the right
ac-c=-4+3b
Now factor by c at the left
c(a-1)=-4+3b
Divide the right by a-1
C=(-4+3b)/(a-1)

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2 years ago

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Alan and his classmates performed a linear regression analysis on the data set shown below and found that the line of best fit t

stealth61 [152]

Answer:

C. $y=\frac{4}{5}x+7$

Step-by-step explanation:

Alan and his classmates found that the line of best fit through the data had the equation $y=-\frac{5}{4}x+18$

The slope of this line is $m=-\frac{5}{4}$

If a line would intersect this line of best fit at right angles, then the two lines are perpendicular to each other.

The slopes of perpendicular lines are negative reciprocals of each other,

Hence that line must have slope $\frac{-1}{-\frac{5}{4}} =\frac{4}{5}$

Therefore we look for a line whose slope is $\frac{4}{5}$ from the given options.

That line is the third option $y=\frac{4}{5}x+7$

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2 years ago

Sandy has 31 books in her library. She bought several books at a yard sale over the weekend. She now has 59 books in her library

Tatiana [17]

28 books. 59(current books) - 31(past books) equals the amount of books Sandy bought, which is 28 books. Hope it helped

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2 years ago

Which expression is equivalent <br> to 5.7 × 5.7 × 5.7?

Burka [1]

The answer is C!!!!!!!!!!!

4 0

2 years ago

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Ming spent half of her weekly allowance buying pizza. To earn more money her parents let her clean the oven for $6. What is her

Gelneren [198K]

Answer:

$16

Step-by-step explanation:

she has $14 now

her parents let her earn 6

so $14 - $6 = $8

so thats what was left over from her allowance. she spent half of her allowance to get to $8 so you double the money

$8 * 2 = $16

$16 is her weekly allowance

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2 years ago