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timama [110]
3 years ago
7

On the last three chemistryexams a student scored 87, 88​, and 89. What score must the student earn on the next exam to have an

average of at least​ 90?
The student must score at least ___%.
Mathematics
1 answer:
hammer [34]3 years ago
4 0

Answer:96%

Step-by-step explanation: 4 x 90 = 360, 87 + 88 + 89 = 264, 360 - 264 = 96

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See the explanation

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We know that

f(x) = 2x⁶ + 3x⁴ - 4x³ + (1/x) - sin2x

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