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Trava [24]
2 years ago
10

2. Write an algebraic expression for the total number of minutes in h hours and 20 minutes.

Mathematics
1 answer:
elixir [45]2 years ago
7 0

Answer:

The expressions are:

2. 60h+20\ minutes

3. 2+\frac{x}{60}\ hours

4. y+0.75\ hours

Step-by-step explanation:

The given expressions have to be converted into algebraic expressions.

So,

2. Write an algebraic expression for the total number of minutes in h hours and 20 minutes.

Here,

h is a variable that can have any value but the 20 minutes will remain same with any number of hours.

If h is for hour, the number of minutes in h hours will be: 60*h = 60h

And there are also 20 minutes so the algebraic expression is:

60h+20\ minutes

3. Write an algebraic expression for the total number of hours in 2 hours and x minutes.

In order to convert minutes into hour, the minutes are divided by 60

So converting x minutes into hour means

x\ minutes = \frac{x}{60}\ hours

There are 2 hours already so the expression will be:

2+\frac{x}{60}\ hours

4. Write an algebraic expression for the total number of hours in y hours and 45 minutes.

Converting 45 minutes to hours by dividing by 60

45\ minutes = \frac{45}{60}\ hours = 0.75\ hours

The expression is:

y+0.75\ hours

Hence,

The expressions are:

2. 60h+20\ minutes

3. 2+\frac{x}{60}\ hours

4. y+0.75\ hours

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