Answer:
x=2 or 5/3
Step-by-step explanation:
the explanation is in the picture
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Domain: {x>= -9} x belongs to real numbers
graph is attached
Answer: See explanation
Step-by-step explanation:
Let the base be represented by x.
Therefore, the height will be = 3 × x = 3x
Since Area of a triangle = 1/2 × base × height
1/2 × x × 3x = 73.5
3x²/2 = 73.5
3x² = 73.5 × 2
3x² = 147
x² = 147/3
x² = 49
x = ✓49
x = 7
Base = 7cm
Height = 3 × 7 = 21cm
Answer:
1. if b and h are tripled the area of the base is multiplied by 9
2. volume of the prism is multiplied by 27
Step-by-step explanation:
1.B =A= 1/2bh
b₁ = 3b
h₁ = 3h
B₁ =A₁ =1/2b₁h1 =1/2 3b*3h= 1/2*9bh
2.<u> V = B*H = 1/2bh*H</u>
if H₁ = 3H then
<u>V₁ = B₁ * H₁ = 1/2*9bh*3H =1/2*27bh*H</u>
so 27
