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pochemuha
3 years ago
6

If f(x)=x+8 and g(x)=-4-3 find (f+g)(x)

Mathematics
1 answer:
Lilit [14]3 years ago
3 0

Answer:

(f+g)(x) = -3x+5

Step-by-step explanation:

f(x)=x+8 and g(x)=-4x-3

(f+g)(x) = f(x) + g(x)

             = x+8+-4x-3

             = -3x+5

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Ugo [173]

Answer:

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7 0
3 years ago
3cis(5pi/4) in polar form
madreJ [45]
Rectangular form:
z = -2.1213203-2.1213203i

Angle notation (phasor):
z = 3 ∠ -135°

Polar form:
z = 3 × (cos (-135°) + i sin (-135°))

Exponential form:
z = 3 × ei (-0.75) = 3 × ei (-3π/4)

Polar coordinates:
r = |z| = 3 ... magnitude (modulus, absolute value)
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Cartesian coordinates:
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8 0
2 years ago
Sean read 15 of a book in 112 hours.
makvit [3.9K]
Sean read 15 of a book in = 112 hours, 
so, 1 of a book in = 112/15

Now, 12 of a book would be: 112/15 * 12 = 112/5 * 4 = 89.6

89.6 = 89 6/10 = 89 3/5

In short, Your Answer would be 89 3/5 hours

Hope this helps!
8 0
3 years ago
(plz helppp !) A triangular prism has base edges 4cm, 5cm, and 7cm long. it’s lateral area is 353cm2 what is the height of the p
Oksanka [162]

Answer:

22.0625

Step-by-step explanation:

Lateral surface area formula: (a+b+c)h=L

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16h=353

h=22.0625

Hope this helps!

8 0
3 years ago
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Sliva [168]
Y= 1x + 2

Use the formula y=mx+b when trying to do things like this.
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7 0
3 years ago
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