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valentina_108 [34]
3 years ago
10

PLEASE HELP ME!!!!!!!

Mathematics
1 answer:
Simora [160]3 years ago
3 0
Https://www.mathportal.org/calculators/statistics-calculator/correlation-and-regression-calculator.php

I get 1.838
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PLEASE HELP AND ANSWER THE QUESTION IN FULL WILL GIVE BRAIN
Murrr4er [49]

Answer:

I think it might be data and range

Step-by-step explanation:

the answer is at the top

7 0
2 years ago
Tree pruning company A charges a one-time $100 equipment fee and charges $50 for each tree that it prunes. Tree pruning company
kobusy [5.1K]
The total cost that a customer should incur in its dealings with company A should be, 
                              c = 50t + 100
For company B
                              c = 60t + 80
Equating these two charges
                               c = 50t + 100 = 60t + 80
Thus, the answer is the fourth choice. 
8 0
3 years ago
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The area of a rectangle is expressed as x4 - 9y2. What are the possible dimensions of the rectangle?
AnnyKZ [126]

This is a stupid question.  The teacher who asked this needs to go back to school.

A = x⁴ - 9y²

That's going to be a number.  As long as it's positive we can choose any length for our rectangle L and we can compute the width by W=A/L.   So the correct answer is the dimensions are L by  (x⁴ - 9y²)/L.

They don't want the correct answer.  They want you to factor this expression.  We'll do it, but don't believe for a second this factoring somehow constrains the possible dimensions of some rectangle.

We use the difference of two squares, a²-b² = (a+b)(a-b)

A = x⁴ - 9y² = (x²)² - (3y)² = (x²+3y)(x²-3y)

Answer: x²+3y  by  x²-3y

5 0
3 years ago
Can anyone really post anything other than math?
sammy [17]

Answer:

well yes, but no

Step-by-step explanation:

we can post other things than math but we shouldn't post it in the math forum

4 0
3 years ago
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Beth spends 40% of her weekly income on rent. If her rent is $240 each week, find her weekly income.
Lerok [7]
Beths weekly income is 600$ per week.
600 / 0.4 = 240
3 0
3 years ago
Read 2 more answers
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