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LekaFEV [45]
3 years ago
12

a chocolate chip cookie has 10 more calories than an ice cream cone. together they have a total of 310 calories.

Mathematics
1 answer:
jasenka [17]3 years ago
5 0

Answer:

The total would be 300

Step-by-step explanation:

310

-10

-----

300

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What is the measure of both opposite interior angles ?
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Answer:

B= 70, C= 50

Step-by-step explanation:

120=15x+5+22x+4

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111=37x

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What is the estimated margin of error, using standard deviation?
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Find the mean ( average):
105 + 104 + 110 + 112 + 114 + 106 + 108 +109 = 868
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Standard deviation:
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108.5 - 104 = 4, 4^2 = 16
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12.25 + 16 +2.25 + 12.25 + 30.25 +6.25+0.25+0.25 = 79.75
79.75/8 = 9.96875, SQRT(9.96875) = 3.1573

Standard Deviation = 3.1573

108.8 +/- 1.96 *(3.1573/sqrt(8) = 110.687 and 106.312

110.687 - 108.5 = 2.19
108.5 - 106.312 = 2.19
 

Margin of error = +/- 2.19



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3 years ago
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Step-by-step explanation:

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