2 years ago

1.

Mathematics

1 answer:

Arte-miy333 [17]2 years ago

6 0

Answer:

Yes, it is a function because domain ( x value) is not repeated

Domain: {7, 1, -1, 0}

Range: { 1, 1, 7, -1}

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5 rubber stamps cost $9.70.

Ratling [72]

E None of the above

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2 years ago

What is the substitution of -6x-8y=-20 and x+6y=-6

ale4655 [162]

Substitution doesn't work for this, but elimination does.

-6x-8y=-20 +6( x+6y=-6)

-6x-8y=-20 + 6x+36y=-36

-6x and 6x cancel each other, add -8 and 36 to get 28, and -20 and -36 to get -56.

28y=-56

divide by 28 on both sides.

Y= -2

Then substitute y into one of the equations.

x+6(-2)=-6

x-12=-6

x=6

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snow_tiger [21]

It's slightly ambiguous because the year isn't an even number of weeks, so sometimes that extra day falls on a weekend and sometimes on a weekday. We'll assume a weekend; that makes the numbers come out nice.

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So his daily rate is

$119600/230 = 520$ dollars per day

Answer: A

It's closer to $518 when we count the extra day as a weekday.

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Answer:

Step-by-step explanation:

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Answer:

The answer is A.

Step-by-step explanation:

I learned it before.

Hope this helps.

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