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Bumek [7]
2 years ago
7

At 4:00 AM, the temperature is – 12 ·F. If the temperature drops 3 °F per hour, what will the temperature be at 6:00 AM?

Mathematics
2 answers:
kupik [55]2 years ago
4 0

Answer:

-18

Step-by-step explanation:

Volgvan2 years ago
4 0

Answer:

6 degrees F

Step-by-step explanation:Since it was at 12 and it was 4 am.Going down 3 degrees by the hour and it six do 12-3-3.

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Does anyone know how to evaluate this problem? im stuck
shusha [124]
If you are just supposed to evaluate the a) f(0) and b) f(4) then you would just plug it in the equation.
f(0)=0^2 - 8*0 + 16
f(0)=0 - 0 + 16
f(0)=16
f(4)=4^2 - 8*4 +16
f(4)=16 - 32 + 16
f(4)=0
Feel free to comment any questions and if there is any additional context to the question please say so I can help with that.
5 0
3 years ago
Help finding the sum
Mamont248 [21]
It is asking you to find the sum of k^2 - 1 from k=1 to k=4. Since that is only 4 numbers, calculating the sum by hand wouldn’t be that bad.

(1^2 - 1) + (2^2 - 1) + (3^2 - 1) + (4^2 - 1) = 26

The easier way to find the sum is to use a few simple formulas.

When we have a term that is just a constant c, the formula is c*n.

When we have a variable k, the formula is k*n*(n+1)/2.

When we have a squared variable, the formula is k*n*(n+1)*(2n+1)/6.

In this case, we have a squared variable k^2 and a constant of -1.

So plug in n=4 to the formulas:

4*5*9/6 - 1*4 = 26

The answer is 26







5 0
2 years ago
Which graph represents a function, f(x), that has a slope of 3 units and f(0) = 14?
lukranit [14]

Answer:

A

Step-by-step explanation:

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2 years ago
An explanation for 168 divided by 5.6
Nataly_w [17]
168 divided by 5.6 equals 30 hope this helps
 
3 0
3 years ago
Sophia is signing up for a gym membership with a one-time fee to join and then a monthly fee to remain a member. The one-time fe
notka56 [123]

Answer:

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Step-by-step explanation:

4 0
2 years ago
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