Answer:
Q1. y = 5 Q2. (√2 - √3)/2
Step-by-step explanation:
Q1
√12 - √147 + y√3 = 0
Taking -√147 and √12 to the right hand side, we have
y√3 = √147 - √12
y√3 = √(3 × 49) - √(3 × 4)
y√3 = √3 × √49 - √3 × √4
y√3 = √3 × 7 - √3 × 2
y√3 = 7√3 - 2√3
y√3 = 5√3
Dividing both sides by √3, we have
y√3/√3 = 5√3/√3
y = 5
Q2
Sin45° - Cos30°
Since Sin45° = √2/2 and Cos 30° = √3/2
Substituting these values into the equation, we have
Sin45° - Cos30° = √2/2 - √3/2
Taking L.C.M of both factors, we have
Sin45° - Cos30° = (√2 - √3)/2
Answer:
16
Step-by-step explanation:
We can count the number of sides of the shape, with every gridline being 1 unit.
The perimeter is the outline of the shape.
There are 16.
16*1 unit = 16
<em>I hope this helps!</em>
17 x 8 = (10 +7) x 8
17 x 8 = (10 x 8) + (8 x 7)
Answer:
its a rectangle
Step-by-step explanation:
how to explain this
Step-by-step explanation:
30,000
Hope this helps. Good luck!!
