Answer:
your area is 13 and the perimeter look at the green one
Step-by-step explanation:
The lateral area is π r ℓ units²
<span>The base is 20 feet across so the radius is 10 feet </span>
<span>Multiply 3.14 × 10 × 14 </span>
<span>3.14 × 10 = 31.4 </span>
<span>31.4 × 14 = 31.4 × 10 + 31.4 × 4 </span>
<span>= 314 + 120 + 4 + 1.6 </span>
<span>= 434 + 5.6 </span>
<span>= 439.6</span>
Answer:1)5x^2-11x
2) x^2-3x
Step-by-step explanation:
1)(f+g)(x)
f(x)=3x-7
g(x)= 2x-4
[(3x-7)+(2x-4)](x)
3x^2-7x+2x6^2-4x
=<u>5x^2-11x</u>
2) (f-g)(x)
[(3x-7)-(2x-4)](x)
(3x-7-2x+4)(x)
3x^2-7x-2x^2+4x
x^2-3x