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podryga [215]
3 years ago
12

For the function, f(x) = −x2, find f(-3)

Mathematics
1 answer:
ankoles [38]3 years ago
7 0
6
Hope this helpsssss
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A 1600 Watts electric oven is used for 9 hours. Calculate the cost of using the $3.00 per unit of energy (Energy consumed = powe
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Answer:

The cost is $43.2

Step-by-step explanation:

The first thing to do here is to calculate the amount of energy consumed.

From the question, we are told that this is;

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From the question, power = 1600 watts

Time = 9 hours

So amount of energy consumed = 1600 watts * 9 hours = 14,400 watts hour

It should be known that energy is measured in Kilowatts hour ; So therefore 14,440 watts hour is 14,440/1000 kwh = 14.4 kwh

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4 years ago
What is one third plus one fourth and what is 1/3 + 1/2
White raven [17]

1/3+1/2=5/6
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7 0
3 years ago
Read 2 more answers
For what value of x is line a parallel to line b?<br><br> (Yo, please help me so I can go to sleep.)
iogann1982 [59]
X=20

If they're parallel the other number in the same spot as 5x+15 equals that, so 5x+15=115 because if they are parallel they're the same if same spot and same line going through them.

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Divide by 5 both sides
X=20

If x=20 then these lines would be parallel
6 0
3 years ago
Need help ASAP) math pls
sashaice [31]

Answer:

11 panels is 13,750

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3,750- 2,500= 1,250

1,250 x 11 = $13,750

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