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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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As an estimation we are told 5 miles is 8 km. <br> Convert 27.4 miles to km.
kicyunya [14]

Answer:

43.8 km to the nearest tenth.

Step-by-step explanation:

5 miles is 8 km

so 1 mile = 8/5 km

and 27.4 miles = 27.4 * 8/5

= 43.84 km

7 0
3 years ago
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Norma-Jean [14]

Answer:

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3 years ago
How do i graph $50 and $20 on a graoh​
Masteriza [31]
Just add the numbers in without the dollar sign in front. Have one axis as money and the other as amount then add in the data.
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4 years ago
Your friend claims that if a line has a slope less than 1, then any line perpendicular to it must have a positive slope. Is your
mezya [45]

Answer:

The friend's claim is not correct

Step-by-step explanation:

we know that

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Example

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the slope of the line perpendicular to the given line is equal to

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substitute

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so

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3 years ago
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shutvik [7]

Answer:

160 I'm pretty sure but I'm not sure

4 0
3 years ago
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