Work out the base of a square with area, A = 169cm2
1 answer:
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Answer:
<h2>C ≈ 12.56 m, A ≈ 12.56 m²</h2>Step-by-step explanation:
The formula of a perimeter (circumference) of a circle:
<em>d</em> - diameter
The formula of an area of a circle:
<em>r</em> - radius
We have <em>d = 2r = 4m → r = 2m.</em>
<em>Substitute:</em>
<em>Use π ≈ 3.14</em>
Answer:
≈77
Step-by-step explanation:
I think your question is missed of key information, allow me to add in and hope it will fit the original one. Please have a look at the attached photo.
My answer:
Given:
- Homework Avg: 93
- Quiz Avg: 84
- Test Avg: 72
- Final Exam: 60
and weights Homework at 20%, Quizzes at 30%, Tests at 40%, and the final exam at 10%
=>Jason's class average is:
= 80*20% + 84*30%+74*40%+60*10%
= 80*0.2 + 84*0.3+74*0.4+60*0.1
= 76.8
≈77
