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mylen [45]
3 years ago
11

Diane is participating in a 4-day cross-country biking challenge. She biked for 57, 67, and 45 miles on the first three days. Ho

w many miles does she need to bike on the last day so that her average (mean) is 59 miles per day?
Mathematics
1 answer:
ella [17]3 years ago
6 0

Answer:

139

Step-by-step explanation:

57+67+45=169÷3=139

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Scilla [17]

Answer:

-2/3 + 6 1/8≈5.46

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4 0
3 years ago
Niles and Bob sailed at the same time for the same length of time. Niles' sailboat traveled 27 miles at a speed of 9 mph, while
sveticcg [70]

Answer:

D- 3 hours long they were traveling

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27÷ 9= 3

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7 0
2 years ago
Explain how your knowledge of place value helps you divide a number in the thousands by whole numbers 10.Give an example to supp
grandymaker [24]
Well because if you use 1,000 you know since 10 has 1 zero, you take 1 zero from 1,00 and it becomes 100.
6 0
3 years ago
Do 6 and 7 please vote you brainiest
tiny-mole [99]

The anser for 6 is 25/92

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6 0
3 years ago
Solve for x 5^x= 3x^x+1
Stella [2.4K]

Answer:

x=1

Step-by-step explanation:

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Divide each term by  − 4  and simplify.

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3 0
3 years ago
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