Answer:
√255
Step-by-step explanation:
If multiplication, just multiply root by root and number by number.
So, √15 . √17 = √255
<em>Hope it helps and is useful</em><em> </em><em>:</em><em>)</em>
Answer:
R = 25
Step-by-step explanation:
Given
- 6 = - 1
Multiply through by 5 to clear the fraction
R - 30 = - 5 ( add 30 to both sides )
R = 25
X^2-81=x^2-9^2=(x+9)(x-9)
this is the answer
Answer:
2k-3k+5
Step-by-step explanation:
3/4 + 2/3 = 17/12
7/8 - 2/3 = 5/24
3/5 x 1/3 = 1/5
4/7 x 2/3 = 8/21