Answer:
i tried but i dont understand sorry
Step-by-step explanation:
Answer:
Infinite
Step-by-step explanation:
A triangle that has all 60-degree angles is equilateral, which means that all side lengths are the same. However, there are infinite possibilities for the side lengths!
I hope this helped, please give brainliest if this is correct! Thank you!
Answer:
Marco's age is 7 years old
Step-by-step explanation:
Let
x ----> Marco's age
y ----> Paolo's age
we know that
---->
----> equation A
----> equation B
substitute equation A in equation B


Solve the quadratic equation
The formula to solve a quadratic equation of the form
is equal to

in this problem we have

so

substitute in the formula





Remember that the solution cannot be a negative number
so
The solution is x=7
therefore
Marco's age is 7 years old
$14
7•2=14
Peter bought both tickets and the each cost $7 so 7 times 2 would be 14
Answer:

Step-by-step explanation:




