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Readme [11.4K]
3 years ago
7

If f(x) = 2x^2+4, find f(3). Help??? Directions please:)

Mathematics
1 answer:
Fiesta28 [93]3 years ago
6 0
Since 3 is replacting x, and there is an x in the problem, replace any instance of x with the number 3! So you would have 2(3)^2+4
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45 minus 4.5. Show work
Dmitrij [34]
Let's do subtraction by first starting with the ones place and then the tenths place of the subtrahend.
45-4=41; 44, 43, 42, 41
41-.5= 40.5; 40.9, 40.8, 40.7, 40.6, 40.5
45-4.5=40.5
We can check by using addition.
40.5+4.5=
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3 0
3 years ago
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JulsSmile [24]

Answer:

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Step-by-step explanation:

DE is the vertical line x=1. It extends between y=2 and y=7, a distance of 5 units.

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7 0
3 years ago
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xeze [42]

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Step-by-step explanation:

21x-18x+28xy

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8 0
2 years ago
Read 2 more answers
7>-4; subtract 7 from both sides
motikmotik

Answer:

The end result would be 0>-11

Step-by-step explanation:

Subtract 7 from each number and then just write it again.

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5 0
3 years ago
D=(107-115)^2+(-49+-69)^2​
ladessa [460]

Answer:

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Step-by-step explanation:

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