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3 years ago

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Which of the following is not a possible r-value (-0.3) (0.3) (-0.6) (1.6)

1 answer:

ryzh [129]3 years ago

8 0

<span>1.6. The Pearson Correlation Coefficient, otherwise known as r-value, must have a value between -1 and 1. It's used to measure how closely related two different variables are. -1 means negative linear correlation, 0 means no linear correlation, and 1 means positive linear correlation.</span>

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What is the value of t in the equation 3(2t + 5) = 5t + 25? (4 points)

SSSSS [86.1K]

3 ( 2t + 5 ) = 5 t + 25

3 * 2 t + 3 * 5 = 5 t + 25

6 t + 15 = 5 t + 25

6t - 5t = 25 - 15

t = 10

Hope this helps!

5 0

3 years ago

Read 2 more answers

7w + 6 + 2w = (w + 2)

Sindrei [870]

Hey there!

The correct answer is $w = \frac{-1}{2}$

$7w + 6 + 2w = w + 2$ ~ Write the equation

$9w + 6 = w + 2$ ~ Simplify

$8w + 6 = 2$ ~ Subtract $w$ from both sides

$8w = -4$ ~ Subtract $6$ from both sides

$w = \frac{-1}{2}$ ~ Divide both sides by 8

Hope it helps and have a great day!

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3 years ago

Jose's school has 426 students. His principal has promised the Student Council that their idea will be carried out if they can

evablogger [386]

Answer:

they need 25 more signatures to get their idea carried out

Step-by-step explanation: 25% of 426 is 107 and 107 minus 82 is 25

3 0

3 years ago

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In a competitive examination negative marks of 2 are awarded for each wrong answers and 4 marks for every correct answer. If nee

Alex777 [14]

9514 1404 393

Answer:

Rajan gets 6 marks more

Step-by-step explanation:

Neerav's marks are (15)(4) +(5)(-2) = 60 -10 = 50.

Rajan's marks are (14)(4) = 56.

Rajan gets 6 more marks than Neerav.

3 0

3 years ago

nexus9112 [7]

The answer is 66 units

6 0

3 years ago

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