Answer:
7/16
Step-by-step explanation:
Let the fraction be x/y
(x+5)/(y+5) = 4/7
7x + 35 = 4y + 20
7x + 15 = 4y
(x-1)/(y-1) = 2/5
5x - 5 = 2y - 2
2y = 5x - 3
7x + 15 = 2(5x - 3)
7x + 15 = 10x - 6
3x = 21
x = 7
2y = 5(7) - 3
2y = 32
y = 16
x/y = 7/16
Express<span> the prime </span>numbers<span> 7, 15, and 261 as the </span>difference of two squares
Answer:
60
Step-by-step explanation:
Area of rectangle (A)=Length (L) × Width (W)
A=12×5
A=60
Answer:
7 and 4
Step-by-step explanation:
l*w=A
2(l)+2(w)=P
7*4=28
2(7)+2(4)=22
Answer:
1. 2.474
2. 2.694
3. 2.334
4. 2.638
Step-by-step explanation:
1 = .20 x 12.37 = 2.474
2 = .20 x 13.47 = 2.694
3 = .20 x 11.67 = 2.334
4 = .20 x 13.19 = 2.638