Answer:
4√7
Step-by-step explanation:
5√7 + √7 - 2√7
add: 6√7 - 2√7
subtract: 4√7
Perform the indicated multiplications...
12x*x+12x*2-5*2x-5*(-1)
12x^2+24x-10x+5 combine like terms
12x^2+14x+5
Answer:
the correct one is the first option
Step-by-step explanation:
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Answer:
x = 6
y = 3
Step-by-step explanation:
Give triangle is a right triangle.
By applying sine ratio in the given triangle,
sin(60)° = 

x = 6
Now we take the cosine ratio in the given triangle,
cos(60)° = 

y = 
y = 
Therefore, x = 6 and y = 3 will be the answer.