If it is 40 degrees Celsius, what is the temperature in Fahrenheit?

Mathematics

1 answer:

MaRussiya [10]3 years ago

7 0

Answer:

104 = B

Step-by-step explanation:

A quick way to do this is to use this formula

F = 2*C + 30
C = 40
F = 2*40 + 30
F = 80 + 30
F = 110

Since this is an estimate, you are only guided to whether your answer is correct or not. Here's the actual formula

F = (9/5) * 40 + 32
F = 360/5 + 32
F = 72 + 32
F = 104

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PLEASE HELP Complete the table with the number of sit-ups you have to do sunday so that the mean number of sit-ups per day is 10

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The complete table will be:

$Monday - 100\\ Tuesday-65\\ Wednesday- 120\\ Thursday-150\\ Friday-90\\ Saturday- 0\\ Sunday-175$

Explanation

Suppose, the number of sit-ups in Sunday is $x$

Mean is the simple average of some numbers. For finding the mean number of sit-ups per day, we need to divide the 'total number of sit-ups' by the 'total number of days'.

Here the total number of days is 7 and the total number of sit-ups for 7 days $= 100+65+120+150+90+0+x= 525+x$