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Aliun [14]
3 years ago
9

Jill is calculating the standard deviation for her test grades. Mrs. Brown tells her that she did not take into account the curv

e on any of her grades and she needs to add 5 points to each grade. What is her new standard deviation? A) -2.204 B) 3.304 C) 5.804 D) 8.304
Mathematics
1 answer:
AlexFokin [52]3 years ago
8 0
B is the answer. I hope this helps.
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The scatter plot below shows the algebra grades and the number of absences of different students for the first semester. Which o
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Stacy is making 2, 1/4 batches of cookies. If each batch calls for 1/3 of a cup of sugar, how much sugar will Stacy use?
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The sum of two consecutive odd numbers is 284. Find each number please.
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We can solve this by finding one of the numbers first
Let the smaller number be y. 
Since these 2 numbers are consecutive odd numbers, the larger number should be 2 more than the smaller one (y+2).

Therefore, 
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shift +2 to the other side and turn it into -2
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3 years ago
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A rental car company charges $22.15 per day to rent a car and $0.07 for every mile driven. Aubrey wants to rent a car, knowing t
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The number of days that Aubrey can drive to stay in her budget is 5 days.

<h3>Inequality signs and their meanings</h3>

> means greater than

< means less than

≥ means greater than or equal to  

≤ less than or equal to  

<h3>Equation that represents the question</h3>

Total amount that can be spent ≤ (cost to rent a car per day x number of days) + (cost per mile x total miles driven)

$130 ≤ ($22.15 x dd) + ($0.07 x 275)

<h3>Determination of the number of days that Aubrey can drive</h3>

130 ≤ ($22.15dd) + ($0.07 x 275)

130  ≤  $22.15dd + 19.25

130 - 19.25  ≤ $22.15dd

110.75  ≤ 22.15d

d  ≤ 110.75 / 22.15

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To learn more about inequality, please check: brainly.com/question/5031619

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3 years ago
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Answer:

-6 is less than -5

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any negative number is always lower than a positive number

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