Answer:
x = 7
Step-by-step explanation:
Let x = the number. Then
"Triple a number" means 3x
"is the same as" means =
"double the number increased by 5" means 2x + 7
∴ 3x = 2x + 7
Subtract 2x from each side
x = 7
The answer is x = 7.
Check:
3 × 7 = 2 × 7 + 7
21 = 14 + 7
21 = 21
OK.
<span>x^2 – 8x + 16 = 0
(x - 4)^2 = 0
x - 4 = 0
x = 4
hope it helps</span>
Answer:
Hi there!
Your answer is:
$78
Step-by-step explanation:
To set up this equation:
75+ (.04× 75)
Change 4% into decimal format
75+ ( 3)
78
Hope this helps!
Answer:
Center (-2, 1), Radius 3
What is the distance from the midpoint of the circle to a point on the circle? It is 3 and not 9.
Answer:
hes paid 13,640
Step-by-step explanation:
