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:
15x^3y
Step-by-step explanation:
60, 45 & 75 are all divisible by 15
Answer:
X=35
Step-by-step explanation:
Those 2 angles equal each other, meaning they're the same.
Knowing that you put them to equal each other.
2x+15=3x-20
Then you solve it.
20+15=3x-2x
35=1x
X=35
Answer: Car B will catch up with A when the distance travel by the two are equal
Recall Speed = Distance/Time
Distance =Time * Speed
Car A; D=60T1
Car B; D=70T2
Where T1= T2+1
60T1=70T2
60(T2+1)= 70T2
60T2+60=70T2
10T2=60
T2=6hrs
4pm +6hrs
10pm car B catches up with A
Step-by-step explanation:
