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sladkih [1.3K]
2 years ago
10

PLEASE HELP!! Find the missing side lengths. Round decimals to the nearest tenth.

Mathematics
1 answer:
Brrunno [24]2 years ago
7 0

Answer: 36.2

Step-by-step explanation:

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Find S16 for 1 + 7 + 13 + 19 +
amm1812

S_n=\dfrac{a_1+a_n}{2}\cdot n\\n=16\\a_1=1\\a_{16}=?\\\\a_n=a_1+(n-1)\cdot d\\d=6\\a_{16}=1+(16-1)\cdot6=1+90=91\\\\S_{16}=\dfrac{1+91}{2}\cdot6=46\cdot6=276

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3 years ago
Can someone help answering my questions in English and Math
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Step-by-step explanation:

8 0
2 years ago
Find an equation for a tangent plane z=e-x2-y2 at the point (0,0,1).
Nadya [2.5K]

Answer: equation of the tangent plane is z = 1

Step-by-step explanation:

Given equation

z = e^(-x²-y²) at point (0,0,1)

now let z = f(x,y)

Δf(x,y) = [ fx, fy ]

= (-2xe^(-x²-y²)), (-2ye^(-x²-y²))

now

Δf (0,0) = [ 0, 0 ] = [ a, b ]

equation of the tangent plane therefore will be

z - z₀ = a(x-x₀) + b(y-y₀)

z - 1 = 0(x-0) + 0(y-0)

z - 1 = 0 + 0

z = 1

Therefore equation of the tangent plane is z = 1

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Step-by-step explanation:

3 0
2 years ago
15 > or equal to (-3w)
enot [183]
15 should be greater than (-3w) becuase whatever you times with -3 it'll equal negative something so it's 15.
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