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Ivan
3 years ago
5

At the beginning of the week, the temperature was 15°. During the week, it decreased by 20°. What was the temperature by the end

of the week?
Mathematics
1 answer:
Mandarinka [93]3 years ago
7 0
Your answer would be -5°. 15 - 20 = -5.
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In one month a store had 1,222 in sales but expenses were 2,345 how much money did the store lose in that month
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3 years ago
WHAT DOES THIS MEAN I DONT UNDERSTAND
Art [367]

Answer:

the goal is to try and get x alone. For the 1st problem, x=3.

Step-by-step explanation:

3x + 1 = 10      Subtract 1 both sides to cancel out the 1 on the left side. 10-1 = 9

3x = 9             To get x alone here, Divide 3 on both sides. 9/3 = 3

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3 0
2 years ago
The Bradenton Post polled 1,356 adults in the city to determine whether they wet their toothbrush before they put toothpaste on
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Answer:

The mean is 0.54 and the standard deviation is 0.0135.

Step-by-step explanation:

i) the mean of the sampling distribution is 0.54

ii) the mean for the sampling distribution, p = 0.54

iii) therefore for the sampling distribution, q = ( 1 - 0.54) = 0.46

iv) the sample size of the distribution, n = 1356

v)  the\hspace{0.1cm} standard\hspace{0.1cm}  deviation\hspace{0.1cm}  s = \sqrt{\frac{p\times q}{n} }  = \sqrt{\frac{0.54\times 0.46}{1356} } = 0.0135

4 0
3 years ago
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