Answer:
19cm
Step-by-step explanation:
x * 5x = 1805
5x ^2 = 1805
x^2 = 361
square root of that is 19
1)a^7/a^4
=a^[7-4]
=a³
2) r²s⁴t/r²st³
=s⁴-¹.t¹-³
=s³.t-²
=s³/t²
3)3x^6/18x
=x^5/6
Answer:
y = 12x-3
Step-by-step explanation:
X = (y + 3) / 12
Multiply each side by 12 to clear the fraction
12 x = (y+3)/12 *12
12x = y+3
Subtract 3 from each side
12x -3 = y+3-3
12x-3 =y
Answer:
62
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
Divide 28 by 7 and get 4.