Evaluate [(21 + 6) − 3^2] ÷ 9 ⋅ 2.

Mathematics

2 answers:

Vlada [557]3 years ago

6 0

[(21 + 6) − 3^2] ÷ 9 ⋅ 2=[(27) − 9] ÷ 9 ⋅ 2
=18 ÷ 9 ⋅ 2
= 2 . 2
= 4

Talja [164]3 years ago

6 0

[(21 + 6) − 3^2] ÷ 9 ⋅ 2

= [27 − 3^2] ÷ 9 ⋅ 2

= [27 − 9] ÷ 9 ⋅ 2

= 18 ÷ 9 ⋅ 2

= 2 ⋅ 2

= 4

Hope it helps!

You might be interested in

Combine like terms to create an equivalent expression

klasskru [66]

Answer:

1/6a-1/6

Step-by-step explanation:

-2/3 transferred into 6th's is -4/6. You combine like terms, -4/6a+5/6a=1/6a

Then since -1/6 doesn't have a like term, it stays the same.

7 0

3 years ago

Jun used 56 cm of ribbon to go around the edge of a rectangular lid. The lid was 13 cm long. What is the width of the lid?

maksim [4K]

Answer:

The width of the rectangular lid is 15 cm.

Step-by-step explanation:1. Let's review the information given to us to answer the question correctly:

Length of the ribbon used by Jun = 56 cmLength of the rectangular lid = 13 cm

2. What is the width of the lid? The ribbon used by Jun is equivalent to the perimeter of the rectangular lid, therefore:Perimeter = 2 * Length + 2 * WidthReplacing with the values we have:56 = 2 * 13 + 2 * Width56 = 26 + 2Width2Width = 56 - 262Width = 30Width = 30/2Width = 15

5 0

2 years ago

Read 2 more answers

A company's stock begins the week with a price of $43.85 per share. THe price changes by +$2.70 each day for the first two days,

mixas84 [53]

Given:

Initial price of the stock=$43.85

Change for the first two days=+$2.70

Change for next two days=-$1.10

Last day=-$4.45

The objective is to find the price at the last day.

Let's take the price at final day as <em>x</em>.