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svlad2 [7]
2 years ago
8

3a

\frac{3a + a {}^{2} }{a} " alt=" \frac{3a + a {}^{2} }{a} " align="absmiddle" class="latex-formula">
Simplify. ​
Mathematics
2 answers:
aniked [119]2 years ago
8 0

Step-by-step explanation:

\frac{3a +  {a}^{2} }{a}  \\  =  \frac{3a}{a}  +  \frac{ {a}^{2} }{a}  \\  = 3 + a \\ thank \: you

egoroff_w [7]2 years ago
6 0

Answer:

(3+a)

Step-by-step explanation:

3a + a^2

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

a

Factor out an a in the numerator

a(3+a)

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

a

Cancel like terms

(3+a)

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3 years ago
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joja [24]
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A store manager did a study to determine the amount of money the first 50 customers spent in her store. The data are approximate
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... 0.48 × selling price = cost

... selling price = cost/0.48 = $38.87/0.48 = $80.98

8. If 40% of the selling price is markup, the remainder (60%) is the cost, $12.95.

... 0.60 × selling price = $12.95

... selling price = $12.95/0.60 = $21.58

9. If 35% of the selling price is markup, the remainder (65%) is the cost.

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4 0
3 years ago
If f(x, y) = xy, find the gradient vector ∇f(2, 5) and use it to find the tangent line to the level curve f(x, y) = 10 at the po
hammer [34]

Answer:

Step-by-step explanation:

check attachment

f(x,y)=xy       Δf(2,5)

fx=y = 5

fy=x = 2

Gradient Vector:

<5,2>

Tangent Vector:

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0=5(x-3) + 2(y-2)

11=5x+2y

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