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sashaice [31]
3 years ago
8

Lexi went shopping and bought

Mathematics
2 answers:
stira [4]3 years ago
8 0

Answer:

$31.24

Step-by-step explanation:

12.15+16.85=29.40

29.40+1.74=31.25

kupik [55]3 years ago
7 0

Answer:

2737

Step-by-step explanation:

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Find the area of the surface the part of the plane y=x^2 y^2 cylinder x^2 z^2=16
Anestetic [448]

The area of the surface is 144.708

The equation of the given surface is,

z=g(x,y)=xy

Solving the partial derivatives,

∂g∂x=y,∂g∂y=x

Substituting to the formula

S=∬√1+( ∂g∂x)2+(∂g∂y)2dA

Thus,

S=∬√1+(y)2+(x)2dAS=∬√1+x2+y2dA

The region in the XY-plane is defined by the intervals  0≤θ≤2π,0≤r≤4

Converting the integral into polar coordinates,

S=∫2π0∫40√1+r2rdrdθ

Integrating with respect to r

S=∫2π0[13(1+r2)32]40dθ

S=∫2π0(17√173−13)dθ

Integrating with respect to θ

S=(17√173−13)[θ]2π0

S≈144.708

For more information about areas, visit

brainly.com/question/22972014

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8 0
2 years ago
Write an explicit formula for an, the n
enyata [817]

Answer:

t_{n}=6n-2

Step-by-step explanation:

3 0
2 years ago
Ok so if i want to build a city using 40 x 40 grid but i only wanna use 3/4 of the grid with titan fencing (300 dollars a square
astraxan [27]
160 plus 300 equal 460
5 0
3 years ago
Subtract 6 1/3 - 4 1/9​
Debora [2.8K]

Answer:

2 2/9

Step-by-step explanation:

6 0
3 years ago
Which is true of the infinite solutions of the inequality x < 0
k0ka [10]

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The solutions will contain an infinite amount of negative numbers.

5 0
3 years ago
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