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amid [387]
3 years ago
7

Describe a real world situation that would show a strong negative correlation explain your reasoning

Mathematics
1 answer:
Aloiza [94]3 years ago
8 0
A strong negative correlation example would be the hours spend watching TV and your grades. It shows a strong negative correlation because if you just watch TV and not study for an exam, your grades would most likely be low.
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Prove algebraically that (m + 2)2 – m 2 – 12 is always a multiple of 4
Julli [10]

Answer:

(m + 2)^{2} - m^{2}  - 12 = 4(m - 2)

Step-by-step explanation:

Step 1:

Write the expression

(m+2)^{2} - m^{2}  - 12

Step 2: Expand (m + 2)^{2}

(m+2)^{2} - m^{2} - 12\\(m+2)(m+2) - m^{2}  - 12\\m^{2} + 2m + 2m + 4 - m^{2}  - 12

Step 3: Collect similar terms

m^{2}  - m^{2}  + 4m + 4 - 12\\4m - 8

Step 4: Factor 4 out of the expression to prove that the expression is a multiple of 4.

Therefore\\4m - 8 = 4(m - 2)\\Hence,\\(m+2)^{2}  - m^{2} -  12 is a multiply of 4 because the expression is equal to 4(m-2)

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3 years ago
Add 3.2 to the quotient of 8.4 divided by 6. what does it equal?
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Answer:

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Step-by-step explanation:

First term is 3.2

The quotient of 8.4 divided by 6 is:

\frac{8.4}{6}

Add these two results together:

3.2+\frac{8.4}{6}=3.2+1.4=4.6

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Step-by-step explanation:

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