Answer:
x=2
Step-by-step explanation:
let the number be x
9x-8=6+2x
9x-2x=6+8
7x=14
x=14/7
x=2
Answer:
j = 35 - k
35 = j + k
k = 35 - j
(the 2nd, 3rd, and 4th one)
Answer:
The discriminant is 0
Step-by-step explanation:
Since the graph of the quadratic equation has only one x-intercept, we can conclude that the quadratic has only one real root.
If a quadratic equation has only one real root, then the discriminant is 0
If x = -3 is the only x-intercept of the graph of a quadratic equation then the discriminant is 0
There is 7.5 killograms in 7500 grams.
0.001 killograms are in a gram, so I did 0.001 x 7500
Answer:
5
Step-by-step explanation:
50+80+10x=180
130+10x=180
10x=50
x=5