Answer:
x=-1, y = 2, z = 1
Step-by-step explanation:
We are given with three equations and we are asked to find the solution to them.
2x + 2y + 3z = 5 ------------- (A)
6x + 3y + 6z = 6 --------------(B)
3x + 4y + 4z = 9 ---------------(C)
Step 1 .
multiplying equation (A) by 3 and subtracting B from the result
6x + 6y + 9z = 15
6x + 3y + 6z = 6
- - - = -
_______________
3y+3z=9
y+z=3
y=3-z ----------------- (C)
Step 2.
Substituting this value of y in equation B and C
6x + 3(3-z) + 6z = 6
6x+9-3z+6z=6
6x+3z=-3
2x+z=-1 ----------------(D)
3x + 4(3-z) + 4z = 9
3x+12-4z+4z=9
3x=-3
x=-1 ------------ (E)
Putting this value f x in (D)
2(-1)+z=-1
-2+z=-1
z=1
Now we put this value of z in equation (C)
y=3-z
y=3-1
y=2
Hence we have
x=-1, y=2 and z=1
Answer:
6*x^(2/5)*y^(1/5)
Step-by-step explanation:
The fifth root of x^2 is x^(2/5).
That of y is y^(1/5).
Then the given expression, rewritten with fractional exponents, is
6*x^(2/5)*y^(1/5)
Answer:
The first, third, and fourth options are less than 50% shaded.
Step-by-step explanation:
Each model has 100 squares, and if you count the squares, the first, third, and fourth models have less than 50 squares shaded in.
That is 99 degrees if you have the triangle facing the other way
