Answer:
=0.000342
Standard form is 3.4237×10
Step-by-step explanation:
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X= grade on next test
Add up all scores, divide by 6 and this equals the average of 84
(86 + 91 + 86 + 61 + 87 + x)/6= 84
add in parentheses
(411 + x)/6= 84
multiply both sides by 6
411 + x= 504
subtract 411 from both sides
x= 93
ANSWER: 93 is needed on the next test to have an average of 84
Hope this helps! :)
Answer:
1/5
Step-by-step explanation:
Answer: A=LxW
So maybe 44.
Im pretty sure thst it would be that. But do we need to find the area of the little seprate triangle?