Ezonthekid
09.09.2021 •
Mathematics
4) Elaine gets quiz grades of 90, 83, and 64. She gets a 69 on her final exam. Find the weighted mean if the quizzes each count for 20% and the final exam counts for 40% of the final grade. Round to one decimal place
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Ответ:
f(12)=28
Step-by-step explanation:
We want to find what y or f(x) is when x equals 12
To find f(12), substitute 12 in for x
f(x)=2x+4
f(12)=2(12)+4
Multiply
f(12)=24+4
Add
f(12)=28