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Lubov Fominskaja [6]
2 years ago
5

Look at the following expression:

Mathematics
1 answer:
user100 [1]2 years ago
5 0

Answer: The last option, Stacy is incorrect because she should multiply 2 and 2 first and then subtract 4 from 12.

Step-by-step explanation:

   We must follow the Order of Operations, also known as PEMDAS. See attached. Multiplication comes before subtraction, but Stacy subtracted 2 from 12 when she should have multiplied 2 by 2. This means the answer to your question is;

         Stacy is incorrect because she should multiply 2 and 2 first and then subtract 4 from 12.

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A farmer harvested 21 1/4 fewer bushels of sweet corn this year than the previous year. If the farmer's sweet corn crop is plant
klasskru [66]

Answer: 85/12 fewer bushels per acre

Step-by-step explanation:

Hi, to answer this question we have to write an expression with the information given and solve it:

We simply have to divide the total loss (21 1/4) by the number of acres (3):

Mathematically speaking:

21 1/4 ÷3 = (21(4) +1)/4 ÷3 = 85/4 ÷ 3= 85/12 fewer bushels per acre

Feel free to ask for more if needed or if you did not understand something  

5 0
3 years ago
I NEED THE ANSWER AS SOON AS POSSIBLE PLEASE!!​
Anit [1.1K]

Answer:

\Large \boxed{\sf \ \ 4\sqrt{a^2+b^2}  \ \ }

Step-by-step explanation:

Hello,

You can use Pythagoras in the 4 right triangles.

For one triangle it comes \sqrt{a^2+b^2}.

Then for the polygon it gives 4\cdot \sqrt{a^2+b^2}.

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

5 0
3 years ago
Suppose z varies directly with x and inversely with the
bija089 [108]

Answer:

K = 27

z = 1.89

Step-by-step explanation:

Check attachment below

5 0
3 years ago
22) Two students are taking a math test. After 5 minutes, one student is done 1/3 and the
Afina-wow [57]

Answer:

  • 1/12

Step-by-step explanation:

<u>We need to find the difference in progress:</u>

  • 1/3 - 2/8 =
  • 1/3 - 1/4 =
  • 4/12 - 3/12 =
  • 1/12

The first student is 1/12 ahead

3 0
3 years ago
If 15 is 25% of a value, what is that value?
vladimir2022 [97]
That value is 60 because 15 is 1/4 of 60, and 25% is 1/4 of 100
4 0
3 years ago
Read 2 more answers
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