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Levart [38]
3 years ago
13

Jenna danced for 3 hours on Sunday, 2 hours on Monday and Tuesday, 1 hour on Thursday, 1.5 on Friday, and 2 hours on Saturday. S

he didn’t dance at all on Wednesday. What is the average number of hours she danced each day? Round your answer to the nearest tenth in an hour.
Mathematics
1 answer:
Gnesinka [82]3 years ago
4 0
Sunday: 3 hours
Monday: 2 hours
Tuesday: 2 hours
Wednesday: 0 hours
Thursday: 1 hours
Friday: 1.5 hours
Saturday: 2 hours

3 + 2 + 2 + + 0 + 1 + 1.5 + 2 = 11.5

11.5 ÷ 7 = 1.6 hours on average
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Find the distance between points A (10,-1) and B (-2,5). Round to the nearest tenth
bija089 [108]

Answer:

<h2>The answer is 13.4 units</h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

d =  \sqrt{ ({x1 - x2})^{2}  +  ({y1 - y2})^{2} }  \\

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

A (10,-1) and B (-2,5)

The distance is

|AB|  =  \sqrt{ ({10 + 2})^{2} +  ({ - 1 - 5})^{2}  }  \\  =  \sqrt{ {12}^{2}  +  ({ - 6})^{2} }  \\  =  \sqrt{144 + 36}  \:  \:  \:  \:  \:  \:  \:   \\  =  \sqrt{180}  \\  = 6 \sqrt{5}  \:  \:  \\  =13.416407

We have the final answer as

<h3>13.4 units to the nearest tenth</h3>

Hope this helps you

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Brilliant_brown [7]
Hello!

The sum of the intern angles of a triangle is 180°. If an angle is obtuse (bigger than 90°), the sum of the others must be less than 90 degrees. Letter a).

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Step-by-step explanation:

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djverab [1.8K]

Answer:

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Step-by-step explanation:

Set up a proportion, where x is the number of purses she can make in 28 hours:

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