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3 years ago

Write a variable expression for this amount a number x decreased by 6

Mathematics

2 answers:

ANEK [815]3 years ago

6 0

I'm not exactly sure what you're asking but I'll give it a go.
A = x -6

nata0808 [166]3 years ago

3 0

Decrease by 6 means you subtract 6 from 6
so the expression is
x - 6

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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>

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3 years ago

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Eduardwww [97]

Answer:

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AURORKA [14]

Answer:

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Step-by-step explanation:

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3 years ago

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mart [117]

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Step-by-step explanation:

12-6r=2r+36

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1 year ago

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