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3 years ago

9

Help please its math I don't understand the question can you help me figure it out☺✌

2 answers:

pishuonlain [190]3 years ago

8 0

The angle sum of a triangle is 180 degrees
So add all the angles inside and equate it to 180: 5x+2x+3x= 180
10x=180
x= 18

Because you’re finding angle L, which is 3x, and we find what the numerical value of x is
Angle L = 3x18 = 54.
Hope this helps!

melamori03 [73]3 years ago

6 0

Answer:Angle L = 54 degrees

Step-by-step explanation:

The given triangle has unequal sides and unequal angles. This means that it is a scalene triangle. The sum of angles in a triangle is 180 degrees. This means that

Angle L + angle K + angle J = 180 degrees. Therefore

5x + 2x + 3x = 180 degrees

10x = 180

Dividing the left hand side of the equation and the right hand side of the equation by 10, it becomes

10x/10 = 180/10

x = 18

Angle L = 3x = 3 × 18 = 54 degrees.

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Step-by-step explanation:

$L\left( x \right) = f\left( a \right) + f'\left( a \right)\left( {x - a} \right)$

$f(x, y, z) = x^2+y^2+z^2$

Since we have three variables,

$L(x, y,z) = f(a, b,c) + f_x (a, b,c) (x - a) + f_y (a, b,c) (y - b) +f_z(a,b,c)(z-c)$

$f(4, 4, 7) = 4^2+4^2+7^2=81$

$f_x (a, b,c)=2x=2*4=8\\f_y (a, b,c)=2y=2*4=8\\ f_z(a,b,c)=2z=2*7=14$

Therefore:

$L(x, y,z) = 81+ 8(x - 4) + 8 (y - 4) +14(z-7)$

Using the above:

f(4.02, 3.99, 6.97) =81+ 8(4.02 - 4) + 8 (3.99 - 4) +14(6.97-7)=80.66.

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Ipatiy [6.2K]

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