Answer:
He'd have to leave his house at 7:50
Step-by-step explanation:
If class starts at 8:30 and it would take him 25 minutes to get there, you could start out by subtracting 25 from 30 which would mean that he would usually have to leave at 8:05, and then subtract 15 from that to get 7:50, or you could add 25 and 15 together and subtract that from 8:30 to get 7:50.
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Answer:
Hence the simplification of is
Step-by-step explanation:
" Simplification is the process of replacing a mathematical expression by an equivalent one, that is simpler (usually shorter),
for example: Simplification of a fraction to an irreducible fraction ".
Here we are given a fraction as:
As both the numerator and denominator are divisible by a factor of 3 hence we take out the common factor and obtain the reduced fraction which is further irreducible.
As 66=3×22 and 81=3×27
Hence
Hence the simplification of is
These are three examples of multi-step equations that yield the respective values of 22, 23, and 29.
Here are three multi-step equations that equal 22, 23, and 29, respectively:
Equation equaling 22:
3x + 4 = 22
Solution:
3x = 22 - 4
3x = 18
x = 18 / 3
x = 6
So, the equation 3x + 4 = 22 has a solution of x = 6, which satisfies the condition.
Equation equaling 23:
2x + 5 = 23
Solution:
2x = 23 - 5
2x = 18
x = 18 / 2
x = 9
So, the equation 2x + 5 = 23 has a solution of x = 9, which satisfies the condition.
Equation equaling 29:
4x - 3 = 29
Solution:
4x = 29 + 3
4x = 32
x = 32 / 4
x = 8
So, the equation 4x - 3 = 29 has a solution of x = 8, which satisfies the condition.
These are three examples of multi-step equations that yield the respective values of 22, 23, and 29.
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Answer:
10:30 am
Step-by-step explanation:
First we must convert the 10:25 pm to the 24 hour clock so we wont have negative results. To do this we add 12 hours to the given time (because it is between 1 pm and 11:59 pm)
10:25 hours+12 hours=22:25 hours
to this 22:25 hours we will substract 11:55 minutes to know what time was before that time passed like this:
-First we substract the minutes:
25-55=-30
we obtain a negative result, when this happens we add 60 to the first value (25)
85-55=30 (Minutes)
and substract 1 from the first value of the hours so we wont have 22 but 21. And we substract normally now having the minutes ready
21-11=10( Hours)
The time was 10:30 am