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OLga [1]
3 years ago
12

company that manufactures cookware has conducted numerous trials to see which metal needs the least amount of energy (measured i

n Joules, J) to be raised to high temperatures, and records the averages in a table. Which claim will this company most likely make? Aluminum pans are the most energy-efficient cookware. Copper pans are the most energy-efficient cookware, but they cost the most. Iron pans require less energy to heat up than copper frying pans, but they cost less. Copper pans require the most energy to heat up.
SAT
2 answers:
LenKa [72]3 years ago
5 0

Requirements that the cookware manufacturing company is looking for :

a metal that needs least amount of energy to be raised to high temperatures. (Given)

We are provided with the following options :

1. Aluminium pans are most energy efficient cookwares.

2. Copper pans are the most energy-efficient cookware, but they cost the most.

3. Iron pans require less energy to heat up than copper frying pans, but they cost less.

4. Copper requires the most energy to heat up.

We see that, copper requires less energy to heat up . So, option 4 is ruled out.

Also, iron pans take up less heat than copper, but not the best. So, option 3 is ruled out.

And, Aluminium is energy efficient but not as good as copper.

Hence the company will claim, "Copper pans are the most energy efficient cookwares, but they cost the most. "


Ivenika [448]3 years ago
4 0

Copper pans are the most energy-efficient cookware, but they cost the most.

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2 years ago
Let see if you know long division 3) 461​
WARRIOR [948]

Answer:

461 = dividend

3 = divisor

Explanation:

Step 1:

Start by setting it up with the divisor 3 on the left side and the dividend 461 on the right side like this:

           

   3 ⟌ 4 6 1

Step 2:

The divisor (3) goes into the first digit of the dividend (4), 1 time(s). Therefore, put 1 on top:

       1    

   3 ⟌ 4 6 1

Step 3:

Multiply the divisor by the result in the previous step (3 x 1 = 3) and write that answer below the dividend.

       1    

   3 ⟌ 4 6 1

      3    

Step 4:

Subtract the result in the previous step from the first digit of the dividend (4 - 3 = 1) and write the answer below.

       1    

   3 ⟌ 4 6 1

     - 3    

       1    

Step 5:

Move down the 2nd digit of the dividend (6) like this:

       1    

   3 ⟌ 4 6 1

     - 3    

       1 6  

Step 6:

The divisor (3) goes into the bottom number (16), 5 time(s). Therefore, put 5 on top:

       1 5  

   3 ⟌ 4 6 1

     - 3    

       1 6  

Step 7:

Multiply the divisor by the result in the previous step (3 x 5 = 15) and write that answer at the bottom:

       1 5  

   3 ⟌ 4 6 1

     - 3    

       1 6  

       1 5  

Step 8:

Subtract the result in the previous step from the number written above it. (16 - 15 = 1) and write the answer at the bottom.

       1 5  

   3 ⟌ 4 6 1

     - 3    

       1 6  

     - 1 5  

         1  

Step 9:

Move down the last digit of the dividend (1) like this:

       1 5  

   3 ⟌ 4 6 1

     - 3    

       1 6  

     - 1 5  

         1 1

Step 10:

The divisor (3) goes into the bottom number (11), 3 time(s). Therefore put 3 on top:

       1 5 3

   3 ⟌ 4 6 1

     - 3    

       1 6  

     - 1 5  

         1 1

Step 11:

Multiply the divisor by the result in the previous step (3 x 3 = 9) and write the answer at the bottom:

       1 5 3

   3 ⟌ 4 6 1

     - 3    

       1 6  

     - 1 5  

         1 1

           9

Step 12:

Subtract the result in the previous step from the number written above it. (11 - 9 = 2) and write the answer at the bottom.

       1 5 3

   3 ⟌ 4 6 1

     - 3    

       1 6  

     - 1 5  

         1 1

     -     9

           2

You are done, because there are no more digits to move down from the dividend.

The answer is the top number and the remainder is the bottom number.

Therefore, the answer to 461 divided by 3 calculated using Long Division is:

153

2 Remainder

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