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prisoha [69]
3 years ago
7

Lori ran 5 1/2 km on Monday, 6 1/4 km on Tuesday, 4 1/2 km on Wednesday, and 2 3/4 km on Thursday. What is the average number of

kilometres Lori ran?
Mathematics
1 answer:
pishuonlain [190]3 years ago
8 0
The average is 4 3/4 km.

you would have to add the distance she ran for each day and then divide by the number of days she ran to find the average.

5 1/2 + 6 1/4 + 4 1/2 + 2 3/4 =19

19 (the total distance ran) divided by 4 (the number of days) = 4 3/4
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I guess the answer is A.

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ΔABC with vertices A(-3,-3), B(6,3), and C(6,-9) is dilated by a scale factor of 1/3 from the origin. What are the coordinates o
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Step-by-step explanation:

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Vikentia [17]

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Step-by-step explanation

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3 years ago
For males in a certain town, the systolic blood pressure is normally distributed with a
GREYUIT [131]

Answer:

99.7%

Step-by-step explanation:

Note that 92 and 128 are 3 standard deviations from the mean

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7 0
3 years ago
At the city museum, child admission is $5.60 and adult admission is $9.30. On Sunday, 141 tickets were sold for a total sales of
IrinaK [193]

x = child tickets

y = adult tickets

x + y = 141

5.60x + 9.30y = 974.60

y = 141 - x

5.60x + 9.30 ( 141 - x ) = 974.60

5.60x + 1311.3 - 9.30x = 974.60

-3.70x + 1311.3 = 974.60

-3.70x = 974.60 - 1311.3

-3.70x = -336.7

x = 91

91 child tickets were sold that day

5 0
2 years ago
Read 2 more answers
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