Let the number = 10x+y
x+y = 9
y-x = 1
(x+y)+(y-x) = 9+1
2y = 10
y = 10/2
<h3><u>y = 5</u></h3>
x+y = 9
9-y = x
x = 9 - 5
<h3><u>x = 4</u></h3>
<h2>So, your number is <u>45</u></h2>
... Hope this will help...
We know that the three angles of a triangle always add up to 180.
Therefore, we have the equation:
55+20+x=180.
Solving for x, we get x=105.
Answer:
The midpoint of the positions of Luis and Don would be 5 km North of the water tower.
Step-by-step explanation:
Answer:
9 students have braces
Step-by-step explanation:
honestly, you could just probably solve it mentally but we are going to make a proportion.
5*3 = 15; so you then multiply 3 by 3 and get 9 as your final answer
Answer:
q=3
Step-by-step explanation:
So first we could +2 on both sides so the equation would be 3q=9. 9/3=3. q=3.
