2 years ago

Based on the residual plot, is the linear model

Mathematics

1 answer:

ch4aika [34]2 years ago

4 0

Answer:

not appropriate

Step-by-step explanation:

A linear model is not appropriate because the residual plot does not show a linear pattern.

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Determine if the set of numbers create a Pythagorean triple. 2.1, 7.2, and 7.5

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Answer:

Yes, the set of numbers create a Pythagorean triple

Step-by-step explanation:

we know that

If a set of numbers create a Pythagorean triple, then the set of numbers must satisfy the Pythagorean Theorem

$c^2=a^2+b^2$

where

c is the greater side

a and b are the legs (perpendicular sides)

we have

$c=7.5\\a=2.1\\b=7.2$

substitute

$7.5^2=2.1^2+7.2^2$

$56.25=4.41+51.84$

$56.25=56.25$ ----> is true

therefore

Yes, the set of numbers create a Pythagorean triple

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3 years ago

The sum of three numbers is 35. The first number is three less than the second and the third is two more than 4 times the second

saul85 [17]

Step-by-step explanation:

$x + y + z = 35 \\ x = y - 3 \\ z = 4y + 2 \\ \\ (y - 3) + y + (4y + 2) = 35 \\ 6y - 1 = 35 \\ 6y = 36 \\ y = \frac{36}{6} \\ y = 6 \\ \\ x = y - 3 \\ x = 6 - 3 \\ x = 3 \\ \\ z= 4y + 2 \\ z= (4 \times 6) + 2 \\ z = 26$

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3 years ago

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Logan started a new savings account with a yearly interest rate of 3%. If he deposits $450 into the account, how much will he ea

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Answer:

$13.50

Step-by-step explanation:

3% of $450 is $13.50

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3 years ago

In complete sentences explain why you can sometimes add square roots with different radicands. Give an example where you can add

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Answer:

Some square roots are negative while others are positive. :)

Step-by-step explanation:

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4 years ago

A very small dinosaur, the Microraptor, was only 1.3 feet long, One of the larger dinosaurs, the diplodocus, was about 91 feet l

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Divide 90 by 1.3 and you will get your answer.

Do it yourself! just follow instructions!

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4 years ago

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