I'm confused, the answers are larger than the trail?
Factor out like terms
-y(7+y)=0
No of outcomes =16
favourable outcome=4
<span>probability of getting exactly 3 heads=0.25</span>
Answer:
Step-by-step explanation:
To find the breadth use Pythagorean theorem
Breadth² = diagonal² - length²
= 34² - 30²
= 1156 - 900
= 256
Breadth = √256 = 16 cm
Breadth = 16 cm
Perimeter = 2*(length + breadth) = 2*(30 + 16) = 2*46 = 92 cm
Area = length * breadth = 30 *16 = 480 cm²