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Zielflug [23.3K]

3 years ago

11

For a scientific Experiment, A physicist must make sure that the temperature of a metal at 0°C get to no colder then -80°C. the

physicist changes the metals temperature at a steady rate of -4°C per hour.for how long can the physicist change the temperature

1 answer:

shepuryov [24]3 years ago

8 0

80 divided by 4=20. ANSWER is 20 hours

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Mr. Santos purchased pizza and soda. Each pizza cost $14.50. He spent $127 on the soda. If he spent $315.50, use the equation 14

natali 33 [55]

Answer:

13 pizzas he bought

Step-by-step explanation:

315.50 - 127 = 188.50 then do 188.50 divided by 14.50 = 13

Hope this helps :)

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3 years ago

The population of a city has decreased by 35% since it was last measured. If the current population is 9100 , what was the previ

Alina [70]

The previous population was 14000.

Explanation

The population decreased by 35% since the last measurement. So the current population is less than the previous population.

current population=9100

previous population =x

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2 years ago

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3 years ago

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levacccp [35]

Answer:

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Step-by-step explanation:

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3 years ago

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Whitepunk [10]

Answer:

how should I answer it?

Step-by-step explanation:

elimination,substitution, etc

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2 years ago