Answer:
n = -2
Step-by-step explanation:
6n = 2n-8
4n = -8
n = -2
<span>The positive square root of 61 is between 7 and 8
cause
</span>square root of 49 = 7
square root of 64 = 8
Answer:
25 miles
Step-by-step explanation:
50/2=25
Answer:
B
Step-by-step explanation:
2(x+2y)=2x+4y
2x+4y
So option B is the correct answer
Answer:
The angles in the triangle and 10, 80 and 90
Step-by-step explanation:
The two angles that are left in a right triangle add to 90 degrees
8:1 means that there total is 9
8x+1x = 9x
9x = 90
Divide by 9
9x/9 = 90/9
x = 10
8*10 = 80
1*10 = 10
The angles are 80 and 10
The angles in the triangle and 10, 80 and 90
