isabellemdeakin
21.09.2019 •
Mathematics
On 5 exams, erika grades were 32,68,81,88, x” what grade must she get to get a 73 average on the fifth exam
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Ответ:
96
Step-by-step explanation:
Average = Total ÷ Number of Data
Total so far = 32 + 68 + 81 + 88 = 269
Total required = 73 × 5 = 365
Grade needed left = 365 - 269 = 96
She needs a grade of 96.
Ответ:
√12²+24² = 26.8
36-26.8=9.2
She saves 9.2 ft
Hope this helps :)