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daser333 [38]
2 years ago
13

11.

Mathematics
1 answer:
romanna [79]2 years ago
6 0

Answer: D its DI

Step-by-step explanation:

222222Hi guys

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Evaluate f(x)=-2x-5 for x=3
RoseWind [281]

Answer:

Step-by-step explanation:

hello :

f(3)=-2(3)-5 = -6-5 = -11

8 0
3 years ago
Simplifying Complex fractions using any method
zloy xaker [14]

Answer:

3ab

-------------------

(b+a)

Step-by-step explanation:

3/a - 3/b

-------------------

1/a^2 - 1/b^2

Multiply the top and bottom by a^2 b^2/ a^2/b^2 to clear the fractions

(3/a - 3/b) a^2 b^2

-------------------

(1/a^2 - 1/b^2) a^2b^2

3ab^2 - 3 a^2 b

-------------------

b^2 -  a^2

Factor out 3ab on the top

3ab( b-a)

-------------------

b^2 -  a^2

The bottom is the difference of squares

3ab( b-a)

-------------------

(b-a) (b+a)

Cancel like terms from the top and bottom

3ab

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(b+a)

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3 years ago
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8=−2/5c<br><br> Help me <br><br> I’m single ready to mingle
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-20

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First, you divide both sides by -2/5, which would get you c = 8 * -5/2 (Because when you divide, you multiply by the reciprocal). 8 * -5/2 is equal to -20. The answer is -20.

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The equation is y= -1/8x^2
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3 years ago
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