Answer:
11 weeks
Step-by-step explanation:
34+10x=144 equation
10x=110
x=11
check answer
11*$10=$110 money after 11 weeks at $10/week
+. 34 money saved
=. 144 money needed.
Answer:
37
Step-by-step explanation:
all triangles have a total of 180 degrees
set up equation and solve
180=(2x+4)+(2x-9)+x
180=5x-5
185=5x
37=x
4 times the radius of our
Answer:
Length of rectangle = 18 cm
Width of rectangle = 9 cm
Step-by-step explanation:
Let the length of rectangle be x

Hence
Length of rectangle = 18 cm
Width of rectangle = 9 cm
Answer:
<h2>
aₙ = n² + 2n + 1</h2>
Step-by-step explanation:
a₁ = 4 = 2² = (1 + 1)²
a₂ = 9 = 3² = (2 + 1)²
a₃ = 16 = 4² = (3 + 1)²
a₄ = 25 = 5² = (4 + 1)²
a₅ = 36 = 6² = (5 + 1)²
Therefore:
<u>aₙ = (n + 1)² = n² + 2n + 1</u>