9x +1= 0
9x/9 +1-1=0
X= 9-1
X= 8
Answer:
-4 or 5
Step-by-step explanation:
let number be x
x²-x=20
Rearrange
x²-x-20=0
(x+4)(x-5)=0
Separate
x+4=0, x-5=0
x=-4 or 5
Answer:
50 is the sum
Step-by-step explanation:
-10+20=10
10+-40=-30
-30+80=50
Answer:
<em>700$.</em>
Step-by-step explanation:
20 ÷ 100 = <em>0.2</em>
0.2 x $3,500 = <em>700$</em>
Answer:
here,
principle(p)=£8000
time(t)=5 years
rate(r)=10%
now,
Interest=PTR/100
=8000 x 5 x 10/100
=£4000
Step-by-step explanation:
