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lana [24]
3 years ago
13

it is -12.5°C outside when the temperature starts increasing by 2.5°C each hour. How long will it take for the temperature to re

ach -5°C?
Mathematics
1 answer:
Alisiya [41]3 years ago
4 0

Answer: 3 hours

Step-by-step explanation:

The span between -12.5 and -5 is 7.5. Divide that by 2.5 (since that’s the change) and that’ll give you the amount of time it takes.

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3 years ago
I need help ASAP!!
Studentka2010 [4]

Answer:

  D.  (x-5)^2 = 36

Step-by-step explanation:

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Then you can add the square of half the x-coefficient to complete the square.

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3 years ago
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A ​$300 suit is marked down by ​%20. Find the sale price
avanturin [10]

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1499

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(Decimal: 299.8)

Step-by-step explanation: =

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How to know what number is a rational number?
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Answer:

A rational number is a number that can be made by dividing two integers (an integer is a number with no fractional part).  The word rational includes the word "ratio." Rational numbers are basically numbers, either positive or negative that you get by dividing 2 numbers. Any number is a rational number, even fractions and decimals, except pi due to the fact that it's a irrational number.

Step-by-step explanation:

Examples of rational numbers include, 1, which you get by dividing 1 by 1, 2 which you get by dividing 2 by 1 and 2.12, which you get by dividing 212 by 100.

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