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stira [4]
3 years ago
7

The correlation coefficient for practicing violin and getting better grades in a group of people is 0.8. Analyze the following s

tatement:
Playing violin causes students to get better grades.

Is this a reasonable conclusion?
Mathematics
1 answer:
Sedbober [7]3 years ago
7 0
Yes it is it basically states that it’s a general result
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70 jelly beans
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When a plumber is called, the cost of the service call is $50 for him to show up at your house, plus an additional $25 per hour.
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Read 2 more answers
Finding the difference between 827 and 533
atroni [7]
To find the difference of numbers, all you have to do is subtract them

827 - 533
Subtract
Final Answer: The difference between 827 and 533 is 294
8 0
3 years ago
2 Points
gtnhenbr [62]

B. (x-5) is a factor.

<u>Step-by-step explanation:</u>

To find out the relationship among the factor and an expression, we have to factorise it as,

2x² - 7x - 15

Here, sum = coeff. of x = -7

Product = constant × coeff of x² = -15 × 2 = -30

Now we have to find 2 numbers, which satisfies the above 2 conditions are -10 and 3.

-10 +3 = -7

-10× 3 = -30

2x² - 7x - 15

= 2x²- 10x + 3x - 15

Taking common terms as,

= 2x(x-5) +3(x - 5)

= (2x+3) (x-5)

So the expression is factorized and (x-5) is one of the factors of the expression.

5 0
3 years ago
Number 1- equivalent expression for 3(x +5) +4x -8?
Dominik [7]

Answer: look at the picture

Step-by-step explanation: Hope this help :D

6 0
3 years ago
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