2 years ago

The proportion of variance accounted for by a correlation between two variables is determined by _________.

Mathematics

1 answer:

Tresset [83]2 years ago

8 0

Answer:percentage(100%)

Step-by-step explanation:

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A 6-foot piece of ribbon costs $15.84. What is the price per inch?

sleet_krkn [62]

Answer:

$0.22/inch

Step-by-step explanation:

6 ft = 72 inches

15.84/72 =0.22

6 0

3 years ago

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-1 + 14x = 12x + 17 Whats the answer ? what is x

Finger [1]

Answer:

x= 9

Step-by-step explanation:

Move the terms -> -1=14x = -12x + 16

Find out the sum -> 2x=17+1

Divide both by the equation by two -> 2x=18 x=9

Final answer: x=9

8 0

3 years ago

Reagan and Nathan are 40 miles apart on a bike trail when they start pedaling toward each other on their b bicycles. Reagan ride

irinina [24]

Answer:

They meet in 2.22 hours.

Step-by-step explanation:

We can find the time at which Reagan and Nathan meet by equaling the time as follows:

$v_{R} = \frac{x_{R}}{t}$

$x_{R} = v_{R}t$ (1)

$v_{N} = \frac{x_{N}}{t}$

$x_{N} = v_{N}t$ (2)

Where R is for Reagan and N for Nathan.

Knowing that:

$x_{R} + x_{N} = 40 mi$

By adding equations (1) and (2) we have:

$x_{R} + x_{N} = v_{R}t + v_{N}t$

$t = \frac{x_{R} + x_{N}}{|v_{R}| + |v_{N}|} = \frac{40 mi}{8 mi/h + 10 mi/h} = 2.22 h$

Therefore, they meet in 2.22 hours.

I hope it helps you!

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2 years ago

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The volume of a cube is 729 cubic feet . What is the side length of the cube ?

Vadim26 [7]

Side length of cube = 9 feet

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2 years ago

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A car dealership has 240 cars in the parking lot and 17.5% of them are red. Of the other 6 colors in the lot, each color has the

Nonamiya [84]

Answer:

Step-by-step explanation:

Ok guys I’m really confused

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2 years ago