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ad-work [718]
3 years ago
13

Evaluation: Decisions About Equivalence

Mathematics
1 answer:
lora16 [44]3 years ago
3 0

Answer:

x+x+x+x=4x

x+5=5x

There equivalent

Step-by-step explanation:

x+x+x+x=4x:

count the number of x's they equal 4 so it would be 4x

x+5=5x

you have 5 x's it would equal 5x

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Answer:

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Olegator [25]
Answer: Choice C) 

--------------------------------------

mean = xbar = (2400+1750+1900+2500+2250+2100)/6
mean = 2150

Subtract the data values from the mean to get

2400-2150 = 250
1750-2150 = -400
1900-2150 = -250
2500-2150 = 350
2250-2150 = 100
2100-2150 = -50
The differences are: 250, -400, -250, 350, 100, -50 

Then you square those values and add up the squares

(250)^2 +  (-400)^2 +  (-250)^2 +  (350)^2 +  (100)^2 +  (-50)^2 = 420,000
3 0
3 years ago
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4-14 Practice Problems
Kazeer [188]

Answer:

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6 0
2 years ago
Which of the following is equal to tan θ using coordinates on the unit circle? Question 18 options: A) x∕y B) y C) y∕x D) x
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Answer:

Solution given

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