If the temperature dropped by 7.f each hour from 5:00 am to 9:00 am. the beginning temperature at 5:00 am if the temperature at 9:00 am was -10.f is 18.f.

<h3>Beginning temperature</h3>

Dropped in temperature=7.t

Number of hours= 5:00 am to 9:00 am=4 hours

Temperature at 9:00 am=-10.f

Hence:

Beginning temperature can be calculated as:

Beginning temperature=(4× 7) + (-10)

Beginning temperature=28 + (-10)

Beginning temperature= 18.f

Check:

Since temperature dropped by 7.f each hour from 5:00 am to 9:00 am

which implies that temperature 7.f dropped for 4 hours.

Hence:

18-7-7-7-7=-10.f

Therefore If the temperature dropped by 7.f each hour from 5:00 am to 9:00 am. the beginning temperature at 5:00 am if the temperature at 9:00 am was -10.f is 18.f.

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4 0

1 year ago

Simply the variable expression below as much as possible. <br><br> 7x + (5.6) z

marta [7]

Answer:

7x + 5.6z

Step-by-step explanation:

To simplify any expression we use PEMDA ( order of operation)

Parenthesis

Exponents

Multiplication and division

Addition and subtraction

7x + (5.6) z

Here we have 5.6 inside the parenthesis

We multiply 5.6 with z

so it becomes 5.6z

7x + 5.6 z

Both terms 7x and 5.6z have different variable so they are not like terms

We cannot combine unlike terms, so we leave as it is

7x + 5.6z

3 0

3 years ago