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3 years ago

Pls help me with this

Mathematics

1 answer:

uysha [10]3 years ago

8 0

Answer:

Step-by-step explanation:

Original length: 3

Scale factor: 4

3 x 4 = 12

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Which equation is correct? (6 points) sec x° = opposite ÷ adjacent cosec x° = opposite ÷ adjacent cosec x° = hypotenuse ÷ opposi

Paraphin [41]

We know that
see the attached figure to better understand the problem

sin x°=opposite ÷ <span>hypotenuse
cos x</span>°=adjacent ÷ hypotenuse
cosec x°=1/ sin x°-------> hypotenuse ÷ opposite
sec x°=1/ cos x°-------> hypotenuse ÷ adjacent

therefore
case A) <span>sec x° = opposite ÷ adjacent------------> is not correct
case B) </span>cosec x° = opposite ÷ adjacent ------------> is not correct
case C) cosec x° = hypotenuse ÷ opposite ------------> is correct
case D) sec x° = adjacent ÷ hypotenuse------------> is not correct

the answer is
the equation cosec x° = hypotenuse ÷ opposite is correct

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(1 point) Find an equation of the largest sphere with center (5,3,5)(5,3,5) and is contained in the first octant. Be sure that y

Hoochie [10]

Answer:

x^2+y^2+z^2-10x-6y-10z +50 =0

Step-by-step explanation:

Given that a sphere is contained in the first octant

Centre of the sphere is given as (5,3,5)

Since this is contained only in the first octant radius should be at most sufficient to touch any one of the three coordinate planes

When it touches we can get the maximum sphere

We find that y coordinate is the minimum of 3 thus radius can be atmost 3 so that then only it can touch y =0 plane i.e. zx plane without crossing to go to the other octants.

Hence radius =3

Equation of the sphere would be

$(x-5)^2 +(y-3)^2+(z-5)^2 = 3^2\\x^2+y^2+z^2-10x-6y-10z +50 =0$

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lilavasa [31]

Answer:

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Step-by-step explanation:

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Accuracy is a measure of how close an answer is to the actual or expected value

schepotkina [342]

That statement is true

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