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avanturin [10]
3 years ago
5

Suppose that during one period extreme cold,the average daily temperature decreased 1 1/2 F each day. How many days did it take

for the temperature to decrease by 9F?
Mathematics
1 answer:
Alenkasestr [34]3 years ago
7 0

We have been given that during one period extreme cold, the average daily temperature decreased 1\frac{1}{2} degree F each day. We are asked to find number of days it will take for the temperature to decrease by 9 degree F.

First of all we will convert our mixed fraction into improper fraction.

1\frac{1}{2}=\frac{3}{2}

Now we will divide total temperature change (9) by average daily temperature change (\frac{3}{2}) to find number of days.

9\div\frac{3}{2}

Dividing a number by a fraction is same as multiplying the number by reciprocal of the fraction.

9\cdot\frac{2}{3}

3\cdot2=6

Therefore, it will take 6 days for the temperature to decrease by 9 degree F.

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Answer:

range is  between 55.5 to 64.5

Step-by-step explanation:

Horn lengths of Texas longhorn cattle are normally distributed. The mean horn spread is 60 inches with a standard deviation of 4.5 inches

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To get the range of 1 standard deviation we add and subtract standard deviation from mean

mean = 60

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60 - 4.5= 55.5

60+4.5 = 64.5

1 standard deviation is between 55.5 to 64.5

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Does adding a positive or negative number change the inequality symbol?
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3 years ago
Tatsu drew a scale drawing of a campground. The scale he used was 1 inch : 5 yards. In the drawing, the picnic area is 19 inches
4vir4ik [10]

Answer:

The answer to your question is: 95 yards

Step-by-step explanation:

Data

1 inch   ----------------  5 yards

19 inches ------ ? yards

We can solve this problem with a rule of three

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6 0
3 years ago
Read 2 more answers
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