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kondaur [170]
2 years ago
10

Sam bought a teddy bear for $3.75 and a stuffed unicorn for $7.50. He gave the cashier $20. How much change did he receive? *

Mathematics
1 answer:
kenny6666 [7]2 years ago
7 0

Answer:

3.75+7.5 = 11.25

20 dollars in total how much change.

20 - 11.25 = 8.75

$8.75 change

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Answer:

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Step-by-step explanation:

Total consumer surplus is given by the difference between the willingness to pay of each customer to the actual price of a good.

Since Avery is only willing to pay $10 and the pizza costs $12, Avery will not buy a pizza and should not be considered for consumer surplus.

Since Pia is willing to pay $13, and Sylvio is willing to pay $15, consumer surplus is:

S = (\$13-\$12)+(\$15-\$12)\\S=\$4

When the price of pizza is $12, a consumer surplus of $4 is achieved.

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3 years ago
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Step-by-step explanation:

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azamat

Answer:

f = \frac{299790000 \frac{m}{s}}{3.03 m}= 9890594.06 Hz

And if we convert to megahertz we got:

9890594.06 Hz *\frac{1MHz}{10^6 Hz}= 98.9 MHz

Step-by-step explanation:

For any mechanical wave we have the following general relationship:

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If we solve for the frequency we got:

f = \frac{v}{\lambda}

And replacing the values we got:

f = \frac{299790000 \frac{m}{s}}{3.03 m}= 9890594.06 Hz

And if we convert to megahertz we got:

9890594.06 Hz *\frac{1MHz}{10^6 Hz}= 98.9 MHz

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All I can see on the picture you provided.
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