I need to know what number 5 is

Mathematics

1 answer:

kifflom [539]2 years ago

8 0

Hey -- I'll answer it for you but my vision is not that great... Could you just type the question in a reply, or DM it to me? Sorry, it's just really small on the picture, even when I tried to zoom it in.

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Whenever she visits Oakdale, Karin has to drive 55 kilometres due north from home. Whenever she visits Brookfield, she has to dr

Natalija [7]

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2 years ago

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Analyze Corey’s work to find his error. What is Corey’s mistake? He substituted 80 for x instead of y. He should have added 88.2

Anni [7]

x is the temperature and y is the number of swimmers. If there are 80 swimmers, then y = 80 instead of x = 80

This is how Corey should have solved

y = 1.505*x - 88.21

80 = 1.505*x - 88.21 <--- replace y with 80

1.505*x - 88.21 = 80

1.505*x = 80 + 88.21 <--- add 88.21 to both sides

1.505*x = 168.21

x = 168.21/1.505 <--- divide both sides by 1.505

x = 111.767

x = 111.8

If there are 80 swimmers at the pool, then the possible outside temperature is roughly 111.8 degrees F. This temperature seems awfully large, so it's possible that Corey's regression equation has limited scope; in other words, it isn't too useful if x is outside a given interval

<h2> IF YOU DONOT WANT TO READ SO MUCH THEN </h2>

PLEASE SEE THE ATTACHMENT 

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3 years ago

Someone please answer and explain this!!! They are asking which is the graph of function f, and if it’s not one of the graphs th

Dvinal [7]

Check the picture below.

the piecewise function, has two subfunctions or behaviours, one if x < 1, meaning less, not equals, but less than 1, so it doesn't include one, so it has a "hole" on that endpoint.

and the second behaviour of the piecewise is if x ⩾ 1, larger or equals than 1, so it includes 1, so it has a solid ball on that endpoint.