3 years ago

Which of the following lines is perpendicular to a line with a slope of 5?

Mathematics

1 answer:

Novosadov [1.4K]3 years ago

4 0

Answer:

Y=-5x+5

Step-by-step explanation:

you just change it negative and if it was a fraction you'd change the sign the opposite still but.... flip the fraction :))

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A random sample of 10 subjects have weights with a standard deviation of 11.0482 kg. What is the variance of their weights? Be

beks73 [17]

Answer:

122.0627kg

Step-by-step explanation:

The standard deviation is the square root of the variance.

That means:

$\sigma = \sqrt{variance}$

From the question, the standard deviation of the weights of the 10 random subjects is 11.0482kg

We substitute to get:

$11.0482 = \sqrt{variance}$

We square both sides to get:

$11.0482^{2} = variance$

$122.0627 = variance$

Therefore the variance is 122.0627kg

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3 years ago

I can’t figure this out

Misha Larkins [42]

28(y-1/7)= 28y-4
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2 years ago

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Graph the line with the equation y= 4/5 x+2.

lawyer [7]

Answer:

x are -5/2 and 0 . Y are 0 and 2.

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3 years ago

Whats the number

Harman [31]

Cube i think sorry if its wrong

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3 years ago

On average, an American hummingbird flaps its wings about 3,180 times per minute.

Elden [556K]

Answer:

53 times per second

Step-by-step explanation:

There are 60 seconds in 1 minute, so divide the 3180 flaps per minute into 60 equal parts.

3180 / 60 = 53

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2 years ago