Answer:
a. 3x = 45
15cm
Step-by-step explanation:
Given the perimeter of an equilateral triangle = 45cm .
Using the equation
3x = 45
Divide both sides by 3
x = 45/3
= 15cm
The length of each side of the triangle is 15cm because an equilateral triangle has its three sides equal
the youngest of them is 42
i hope this was helpful:)
Answer:
not proportional because the 8 hours supposed to equal 250
Answer:
-1y + z
Step-by-step explanation:
2y + z - 3y [Given Expression]
-1y + z [Combine like-terms]
Since there is a 2 at the start, we actually multiply -5 by 2, meaning that it needs to multiply to (-5*2)=-10 and add up to -3. Since -5 and 2 fit the bill, we get (x+5)(x-2)=0 (as -5+5 and 2-2=0)
