Answer:
8n+12=36, triplets are 8 years old
Step-by-step explanation:
total age is 36
one of them is 12 years old so -> 36-12 = 24
three triplets so 24/3 = 8
there are three 8 years olds and one 12 year old. n = 3
Im guessing the question was what are the dimensions in cm...
you just multiply each dimension by 40 to get:
2x40=80 cm by 1.5x40= 60 cm
Final answer is: 80 cm by 60 cm
Answer:
400 cm squared
Step-by-step explanation:
Area of Square = length*length.
A=20*20
A=400 cm squared
Answer:
Step-by-step explanation:
-3(3x - 4) = -9x + 12
-9x + 12 = -9x + 12
0 = 0
infinitely many solutions
Answer:
<h3>explicit formula- a(n)=6+4(n-1)</h3><h3>recursive formula- a(n)=a(n)-1 +4; a(1)=6</h3>
Step-by-step explanation:
