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monitta
3 years ago
13

pls help with this immediately!!!! i’ll be giving brainiest to those who provide the correct answer. if u leave a link, have fun

getting reported.

Mathematics
2 answers:
gladu [14]3 years ago
7 0
Parallelogram and quadrilateral
Norma-Jean [14]3 years ago
6 0

Answer:

I belive it is Parellelogram

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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

7 0
3 years ago
The length of Chen’s office is 15.5 feet and the width is 7.8 feet. Use the formula P = 2ℓ + 2w to find the perimeter of the off
Mamont248 [21]

Answer:

46.6 feet

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Trevor is training for a race he swims 1/2 lap in 4/5 minute at that race how many minutes does it take for Trevor to swim each
Korvikt [17]
8/5 minutes. Is the answer
7 0
3 years ago
What is the value of x ??? in trapezoid ABCD?? <br> HELP ASAP
Alexeev081 [22]
It would be 15 because the way you would set it up is equal to 180 because they are opposite and they have to add up to 180 in order for the whole shape to be 360. so 3x+9x=180 and then 12x=180 and divide 180 by 12 which is 15 and you can also plug in 15 to check
8 0
3 years ago
This is another trig question I need help with. Please explain how you do it to me I would appreciate it so much!!
Irina-Kira [14]

Answer:

He stepped back 59.71 feet.

Step-by-step explanation:

Start by making 2 triangles. One has 68 degrees as the acute angle at the base of the triangle and the other has 41 degrees as the acute angle at the base of the triangle. The side opposite of said angle on both triangles will be 80, the height of the tree. You're solving for the bottom (horizontal) side for both triangles.

For the triangle with an acute base angle of 68, the formula to solve for the horizontal side is tan(68) = 80/x.

Get x by itself to get 80/tan(68) = x

x = 32.32.

For the next triangle, the equation is the same but the angle is changed to 41.

tan(41) = 80/x

80/tan(41) = x

x = 92.03

Finally, subtract the smaller distance from the larger:

92.03 - 32.32 = 59.71 steps.

3 0
3 years ago
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