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motikmotik
4 years ago
7

Find f(x) · g(x) = (fg)(x). Simplify. f(x) = x2 + 4 g(x) = x2 − x + 5

Mathematics
1 answer:
9966 [12]4 years ago
4 0
<span>f(x) = x2 + 4 g(x) = x2 − x + 5

</span>f(x) · g(x) = (fg)(x) = (x^2 + 4)(<span> x^2 − x + 5)
</span>f(x) · g(x) = (fg)(x) = x^4 - x^3 + 5x^2 + 4x^2 - 4x + 20
f(x) · g(x) = (fg)(x) = x^4 - x^3 + 9x^2 - 4x + 20

answer
f(x) · g(x) = (fg)(x) = 
x^4 - x^3 + 9x^2 - 4x + 20
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A plane flies 440 miles with wind, and 340 miles against wind in same time. If speed of wind is 25 mph, find speed in still air?
Viefleur [7K]
V = s/t

now, t is equal for both cases so we write these 2 equations:
440/(Vp+Vw) = t

and 

340/(Vp-Vw) = t
Now again, since t is equal for both cases we can make these 2 equations equal to eachother.
440/(Vp+25) = 340/(Vp-25)
(Vp - 25)*44=34*(Vp+25)
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Answer is 195mph
6 0
3 years ago
Hi someone plz explain what the distributive property is
alexira [117]

Answer:

its hard to explain as a simple answer but i can explain w an example

Step-by-step explanation:

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3 0
3 years ago
Shahida is 21 years old and Nasreen is 15 years old to Shahida after how many years will Shahida be twice as old as nasreen​
guapka [62]

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5 0
3 years ago
Amber got a raise, and her hourly wage increased from $8 to $9.50 what is the percent increase
I am Lyosha [343]

Answer:

The percent increase is <u>18.75%</u>.

Step-by-step explanation:

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Amber got a raise, and her hourly wage increased from $8 to $9.50.

Now, to find percent increase.

Previous wage = $8.

Wage raised = $9.50.

So, to get the increased wage we subtract the previous wage from the wage raised:

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Now, to get the percent increase:

\frac{1.50}{8} \times 100

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8 0
4 years ago
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8 0
3 years ago
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