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Klio2033 [76]
3 years ago
9

Please help

Mathematics
2 answers:
galina1969 [7]3 years ago
6 0

Answer:-1.2 Degree Fahrenheit.

Step-by-step explanation:

Since,

The average daily changes,   total changes/number of days

Here,

The total changes = - 16.8° F ( - sign shows the decreasing )

And, the number of days = 14

Hence,

⇒ The average daily rate of change in the high temperature in degrees Fahrenheit is -1.2° F.

postnew [5]3 years ago
4 0

-16.8 / 14 = - 1.2 per day

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Please help me!! <br> solve 31 = x + 25.5
serious [3.7K]

Answer:

x = 5.5

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Equality Properties

Step-by-step explanation:

<u>Step 1: Define</u>

31 = x + 25.5

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Subtract 25.5 on both sides:                    5.5 = x
  2. Rewrite:                                                      x = 5.5
6 0
3 years ago
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Carly left for school at 8:15.she left school at 2:45.if she arrived at 8:45,how many hours was she in the school
Ne4ueva [31]
She was in school for 6 hours.
3 0
3 years ago
Given an actual demand of 59, a previous forecast of 64, and an alpha of .3, what would the forecast for the next period be usin
marshall27 [118]

Answer:

62.5

Step-by-step explanation:

Data provided in the question:    

Actual demand = 59  

Previous forecast = 64  

Alpha = 0.3  

Now,    

The  forecast for the next period be using simple exponential smoothing will be given as      

= [ Alpha × Actual demand ] + [ (1 - Alpha) × Previous forecast ]  

= 0.3 × 59 + [ ( 1 - 0.3 ) × 64 ]    

= 17.7 + 44.8      

= 62.5

4 0
3 years ago
To make ribbon and bow for a hat, Stacey needs 5/6 yard of black ribbon and 2/3 yard of red ribbon. how much total ribbon does s
larisa86 [58]
First make the denominators of the fractions the same by multiplying.

\frac{2}{3} × \frac{2}{2}
=\frac{4}{6}

Now we just need to add the fractions together

\frac{5}{6} +  \frac{4}{6}
= \frac{9}{6}

9/6 would be the answer, but it can be simplified further, then converted into decimal form.

\frac{9}{6} ÷ \frac{3}{3}
=\frac{3}{2}
=1.5 yards

Your final answer is 1.5 yards of ribbon are needed.
7 0
3 years ago
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If U = {all positive integers) and A = {x|x EU and x is an odd positive integer}, which describes AC?
Galina-37 [17]

Answer:

last choice

Step-by-step explanation:

If we are looking at positive integers and we take out the odd ones, the only one's that are left are the even ones.

So last choice.   (Also I assume AC meant the complement of A)

7 0
3 years ago
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