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neonofarm [45]
4 years ago
13

The "normal" high temperature for a June day in Albemarle is $82^\circ$ (degrees Fahrenheit). Last year, the first ten days of J

une were unusually hot, with highs of $84^\circ,$ $88^\circ,$ $91^\circ,$ $92^\circ,$ $96^\circ,$ $94^\circ,$ $89^\circ,$ $78^\circ,$ $87^\circ,$ and $81^\circ$. How many degrees above normal was the average high for that 10-day period?
Mathematics
1 answer:
crimeas [40]4 years ago
8 0

Answer:

6° F

Step-by-step explanation:

To get average of 10 days highs, we need to add all and divide by 10.

Average = \frac{84+88+91+92+96+94+89+78+87+81}{10}\\=\frac{880}{10}\\=88

And, the normal high temp is given as 82.

<em>How much higher is 88 than 82??</em>

<em />

It is 88 - 82 = 6°F above

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Find the slope of the line that passes through (-6, -2) and (-7, -2)
Jobisdone [24]

Answer:

0

Step-by-step explanation:

We could use the Slope Formula to find the answer, but there's an easier way of doing it. Notice that the y-coordinates of both points are the same. This means that the line that passes through these points is horizontal, which makes our answer 0 because all horizontal lines have a slope of 0.

All horizontal lines have a slope of 0 because the value of y never changes as the value of x changes, so if we were to input any two points on a horizontal line into the Slope Formula, our numerator would be 0 (because anything subtracted from itself is 0), leaving us with a result of 0 regardless of the denominator since 0 divided by anything is 0. Hope this helps!

6 0
3 years ago
write a conjecture as to the number of sides as compared to the number of triangles formed when drawing diagonals from one verte
zmey [24]

Answer:The Collatz conjecture is a conjecture in mathematics that concerns a sequence defined as follows: start with any positive integer n. Then each term is obtained from the previous term as follows: if the previous term is even, the next term is one half the previous term. If the previous term is odd, the next term is 3 times the previous term plus 1.

Step-by-step explanation :an opinion or conclusion formed on the basis of incomplete information.

8 0
3 years ago
How do I do 2(x+1)-3x=14
sasho [114]

Answer:

x = -12

Step-by-step explanation:

2(x+1)-3x=14   (expand parenthesis i.e PEDMAS rule)

2x + 2 - 3x = 14  (bring all x terms to one side and numbers to the other; subtract 2 from both sides)

2x  - 3x = 14 - 2  (evaluate each side)

-x = 12  (multiply both sides by -1)

x = -12

7 0
4 years ago
Read 2 more answers
|6/-a - 2| = 25
Nat2105 [25]
So I am assuming we’re solving for a?
If so,
|(6/-a) - 2 | = 25

|(6/-a)| = 25 + 2

|(6/-a)| = 27
Multiply both sides of equation by -a and you get

6 = 27a
(6/27) = a
0.222 = a

So, we can check by plugging 0.222 in the original equation,

|(6/-0.222) - 2 |=25
|27-2|=25
25=25 which is correct
7 0
2 years ago
In each of the following scenarios, define the type of measurement scale. 1. A kindergarten teacher marks whether each student i
GrogVix [38]

Answer: 1.  b. Nominal

2. c. Interval

3. d. Ordinal

Step-by-step explanation:

The four level of measurement scales are :

  • Nominal scale : This is used to categorize a data on according tothe attributes such as Gender , color , religion etc.
  • Ordinal scale : This used when we can set the data in an order or according to their ranks such as First , Second , Third and so on.
  • Interval scale : In this , variables are measured as actual value . For example : 0° Celsius temperature does not mean there is no temperature.
  • Ratio scale : It categorize , orders , measure difference and also has a true meaning to zero.  For ex : Age.

1. A kindergarten teacher marks whether each student is a boy or a girl.

→ A <u>nominal scale</u> is used since teacher categorized the student as boy or girl.

2. A ski resort records the daily temperature during the month of January.

→ An <u>interval scale</u> is used , because temperature is measured in actual value and have no true meaning of 0 degree temperature .

3. A restaurant surveys its customers about the quality of its waiting staff on a scale of 1 to 4, where 1 is poor and 4 is excellent.

→ An <u>ordinal scale</u> is used since the quality of food will get a rank from 1 to

5 0
3 years ago
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