Ava buys 3.5 pounds of strawberries for $2.99 per pound. How much does she spend?

Mathematics

1 answer:

Arisa [49]3 years ago

3 0

Answer:

Step-by-step explanation:

well first you want to multiply 3.5 times 2.99 which gives you 10.465 and you round that it should be 10.47

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Use signed numbers to solve. A helicopter descended 1200 feet, rose 800 feet, and then descended 450 feet. What was the net gain

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The rise or an increase in altitude is represented by positive sign and a decend or decrease in altitude is represented by negative sign.

First the helicopter descended 1200 feet. So the change in altitude will be -1200 feet.

Then the helicopter rose by 800 feet. So the change in altitude will be 800 feet.

Finally the helicopter descended by 450 feet. So the change in altitude will be -450 feet.

The net change in altitude will be the sum of all the above 3 changes.
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vovikov84 [41]

Answer:

Step-by-step explanation:

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