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3 years ago

I NEED HELP Por favor

Mathematics

2 answers:

Mashcka [7]3 years ago

7 0

Answer:

1st; 2nd; 6th

Step-by-step explanation:

leftmost, top row: y = (x+4)^2

second from left top row: y = -x^2 + 4

2nd from left, 2nd row: y = (x-4)^2 + 4

natita [175]3 years ago

7 0

This is the answer for your question

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MrRissso [65]

Answer:

It will take 4.71 hours to travel a distance of 221.43 miles

Step-by-step explanation:

Given

Distance covered in time 7.99 hours is 375.32 miles.

Now we know that speed is equal to distance per unit time.

Therefore,

$speed = \frac{distance}{time} \\= \frac{375.32}{7.99}\\=46.97\ mi/h$

Which is the constant speed, hence now time taken for a distance of 221.43 miles will be

$time = \frac{distance}{speed} \\=\frac{221.43}{46.97} \\=4.71\ h$

Therefore, the time taken to cover 221.43 miles is 4.71 hours.

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3 years ago

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tatiyna

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Step-by-step explanation:

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