Answer:
(6x^4+7)(6x^4−7)
Step-by-step explanation:
a=6x^4 and b= 7
Find the square root of 36x^8.
6x^4
The square root of 49 is 7.
Answer:
-3/10
Step-by-step explanation:
4-5(6+4x)=-16
4-30-20x=-16
-26-20x=-16
-20x=-16+26
-20x=6
x=6/-20
x=-3/10
2
- / 8
5
Times the denominator by 8.
2/40
Simplify.
1/20
Answer:
1)
D. 3:2
2)
B. 40%
as, no. of girls=8
total no. of students =12+8=20
now,
percentage of girls=no.of girls/total no. of students ×100%
=8/20×100%
=40%