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Ksenya-84 [330]
3 years ago
7

Ava bought 2 sandwiches for a total of $5.25 , a bowl of soup for $3.00, and a bag of chips for 1.25. How much change did she ge

t back if she paid with a $20.00 bill?
Mathematics
2 answers:
allsm [11]3 years ago
5 0

Answer:

she would get 11 dollars back

Step-by-step explanation:

look....first count all the money together 5 + 3 + 1 = 9............Then subtract 9 from 20 and there u go

OLEGan [10]3 years ago
4 0
$5.25 + $3.00 + $1.25 = $9.50

Ava spent $9.50 total.


$20.00 - $9.50 = $10.50

After paying with a 20 dollar bill, she would receive $10.50 in change.
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2 years ago
find the zeros of 2x^2 - 16x + 27 using the quadratic formula. be sure to simplify the expression. Can someone please show me ho
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For a quadratic of the form f(x)=ax^2+bx+c, we have the quadratic formula 
x=\dfrac{-b \pm \sqrt{b^2 -4ac}  }{2a},
where a is the coefficient (number before the variable) of the squared term, b is the coefficient of the linear term, and c is the constant term.

So, given 2x^2-16x+27=0, we can get that a=2, \ b=-16, and c=27. We substitute these numbers into the quadratic formula above.

x=\dfrac{-(-16) \pm \sqrt{(-16)^2 -4(2)(27)} }{2(2)}

x=\dfrac{16 \pm \sqrt{(256 -216)} }{4}

x=\dfrac{16 \pm \sqrt{40} }{4}

x=\dfrac{16 \pm 2\sqrt{10} }{4}

x=4+ \frac{\sqrt{10}}{2}, \ x=4- \frac{\sqrt{10}}{2}

This is our final answer.

If you've never seen the quadratic formula, you can derive it by completing the square for the general form of a quadratic. Note that the \pm symbol (read: plus or minus) represents the two possible distinct solutions, except for zero under the radical, which gives only one solution.
8 0
4 years ago
6.) *
labwork [276]

Answer:

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Step-by-step explanation:

Each new term is derived by adding 5.4 to the previous term:

2.1 + 5.4 = 7.5,

7.5 + 5.4 = 12.9,

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so the common difference is 5.4 and yes, this is an arithmetic sequence.

8 0
3 years ago
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OlgaM077 [116]
The question was worded weird but if it’s asking for 1/4 divided by 8 then the answer is 2
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Answer:

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Step-by-step explanation:

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