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Ilia_Sergeevich [38]
3 years ago
9

Tasha's scores on her first five tests were as follows. 74, 90, 92, 83, 81 What would Tasha have to score on the sixth test to h

ave a mean of 85?
Mathematics
2 answers:
Dafna1 [17]3 years ago
5 0

Answer:

it would be 90. Hope I helped

Step-by-step explanation:

Tpy6a [65]3 years ago
4 0
For this case, what we must do is calculate the mean of the given data.
 For this, we must do the following:
 Add the given numbers and divide by the number of numbers.
 We have then:
 \frac{74+90+92+83+81+x}{6}=85
 From here, we clear the value of x.
 We have then:
 x = 6 * 85 - (74 + 90 + 92 + 83 + 81)

x = 90
 Answer:
 
Tasha would have to score 90 on the sixth test to have a mean of 85
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