CC - MATHS AND SCIENCE

Pablo Beltran Cerezo

In a school laboratory, a group of students is trying to make the perfect homemade ice cream for a science competition. They discover that the mixture cools down following this formula: where is the temperature and "t" is the time in minutes. If the ice cream is ready when it reaches 8ºC how many minutes will they need to wait?

选择所有适用项

A
They will need to wait 5 minutes because the temperature only needs to drop a little bit.
B
They will need to wait 14 minutes because the ice cream must freeze completely before it is ready.
C
They will need to wait 10 minutes because the temperature goes down by 2 degrees every minute until it reaches 8∘C8^\circ C8∘C
D
They will need to wait 20 minutes because the temperature decreases very slowly.

检查答案 (3)

新资源

Untitled
Damped Trochoidal Curve
Model sferyczny - sześcian-ośmiościan
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רישום חופשי

发现资源

Mario Flagpole 3
Forum_f=2&t=37972_C_spline test fill area
opposite rays
Heronsches Wurzelziehen
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H-Right angle Sep2019

发现主题

直线
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