Evaluate the expression using the distributive property (2 1/4) x (-8)

Mathematics

1 answer:

Amiraneli [1.4K]3 years ago

4 0

So you first have to change the first part into an improper fractions

So (9/4)*-8 Then you expand and you get (9*-8)/4

Then you get -72/4

The answer is -18

You might be interested in

Please simplify this expression. 1 + 4.25n + 32p – 3 + (–2p) + 54n

nata0808 [166]

Answer:

58.25n+30p-2

Step-by-step explanation:

Given the expression as;

1 + 4.25n + 32p – 3 + (–2p) + 54n

collect like terms

1-3+4.25n+54n+32p-2p

-2+58.25n+30p

58.25n+30p-2

I have copied one brainly user's answer, sorry for that...

However, hope it helps you!!!

5 0

3 years ago

Read 2 more answers

David was trying to sleep one night but there was too much noise around him? His clock ticked every 5 seconds , a tap was drippi

Monica [59]

Answer:

A) 420 seconds = 7 minutes

B) 8 times

Step-by-step explanation:

A) After how many second would all three things happen together again?

Solution:

His clock ticked every 5 seconds , a tap was dripping every 7 seconds and his pet dog snored every 12 seconds. It all happens simultaneously = 5*7*12=420 seconds

B) How many times would all three things happen together again between midnight and one o'clock

Since all these events happen together after every 420 sec = 7 mins and there are 60 mins between midnight and 1 o'çlock , thus 60/7 = 8 times ....

7 0

3 years ago

How do I solve 4(5(6)) This is a hypothetical question

SSSSS [86.1K]

PEMDAS states that the value in the parenthesis should be evaluated first:
4(5*6)
4(30)
After just multiply the value in the parenthesis by the number outside of the parenthesis:
120

6 0

3 years ago

Read 2 more answers

Find the perimeter of a rectangle that is 3 inches long and 4 inches wide.

katen-ka-za [31]

Answer:

14 inches

Step-by-step explanation:

Perimeter of a rectangle

= 2(l + w)

Given length L = 3 inches and

Width w = 4 inches