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blsea [12.9K]
3 years ago
7

Chris had $4 in cash, with which he purchased coffee for $0.79, a bag of chips for $1.69 and a lottery ticket for $1.00. If he d

oes not have to pay sales tax, how much change should he receive?
Mathematics
2 answers:
beks73 [17]3 years ago
8 0

Answer:

£0.79 add £1.69 add £1.00 equals £ 3. 4 8

Take away £4.00 and change is 52p

Step-by-step explanation:

Aliun [14]3 years ago
4 0

Answer:

If you add the money that Chris has used, and subtract it from his total, you will get the amount that Chris has left in change.

0.79 + 1.69 + 1.00 = 3.48

4.00 - 3.48 = 0.52

Chris has 52 cents left in change.

I hope this helps!

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katovenus [111]

Answer:

She can create a function for the total savings in terms of the time x by adding the two functions together. The new function should look like this:

T(x)=S(x)+a(x)

So now we can substitute the given functions:

T(x)=450+6(x-2)

But this function can be simplified for it to be easier for her to calculate her total amount of savings. We can do that by distributing the 6 into the parenthesis. This is, multiply the 6 by both the x and the -2, so we get:

T(x)=450+6x-12

and now we can combine like terms. We can subtract 12 from 450 so we get:

T(x)=6x+438

And that will be our final function.

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2 years ago
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Which statement is true about the quadratic equation 8x2 − 5x + 3 = 0?
irakobra [83]

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Charity is four times as old as her daughter. She is also six years younger than her husband. The sum of their ages ten years to
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Answer: Charity is 36 years old today.

Step-by-step explanation:

Let x = Present age of daughter.

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