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Brilliant_brown [7]
4 years ago
12

Q. You work in a science lab where it is critical to keep samples at specific temperatures. You check the

Mathematics
1 answer:
Tema [17]4 years ago
5 0

Answer:

-25 degrees C.

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Discuss the order of operations to explain why the expressions [(12÷(2+ 2)] ^3 and (12 ÷ 2) + 2^3 do not havethe same value.
Volgvan

The order of operations are different. Hence, the answers are not equal

Explanation:

Oder of operations using PEMDAS (Parenthesis, Exponent, Multiplication, Division, Addition, Subtraction)

[(12÷(2 + 2)]³ and (12 ÷ 2) + 2³

we solve seperately:

[(12÷(2+ 2)]³

we solve the parenthesis first:

(12 ÷ 4)³

then we apply division:

= (3)³

Then expand the exponent:

= 27

(12 ÷ 2) + 2³

we solve the parenthesis first:

6 + 2³

we expand the exponent:

6 + 8

we apply addition:

14

The order of operations are differnt. Hence, the answers are not equal

5 0
1 year ago
Josie has an 18 square foot rug and a 24 square-foot rug her floor is covered in 1/3 square foot tiles how many tiles will the t
Hitman42 [59]
14 is the answer to this question
8 0
3 years ago
41 coins, consisting of nickels and quarters, have a total value of $4.65. How many coins of each kind are there?
slavikrds [6]

Answer:

4

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Help help help help help
o-na [289]

Answer:

50 degrees

Step-by-step explanation:

A whole line is 180 degrees.Subtract the known angle from 180 to find the missing angle,which is 50 degrees.

6 0
3 years ago
Last year Billy weighed 75kg. This year he weighed 90kg. With what percentage did his weight increase. SHOW ALL WORK!!!
polet [3.4K]

well let's round. 90= 100, 75=80 that is how I face it. now 80 is 1/5 of 5/5= 100. so as a (%) we would sort it like:::: it is 80% out of +100 so he must have grown around 13%-16% due to him being 75kg in the past.

5 0
3 years ago
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