Answer:
Step-by-step explanation:
probability of choosing a boy = 12 / 28 = 3 / 7
in % = 3 / 7 x 100 = 42,86%
probability of choosing an a student = (4 + 10) / 28 = 14 / 28 = 1 / 2
in % = 1 / 2 x 100 = 50%
Answer:
25
Step-by-step explanation:
25 goes into 100 4 times, 25 goes into 25 once i think not sure
Answer:
Step-by-step explanation:
It's given that 
. Because the side 
corresponds with the side 
, their lengths will be equal. Therefore, we have:
Plugging 
, we have:
.
147 is not a perfect square. The reason 147 is not a perfect square is because, we know that 144 is a perfect square because you can divide it by 12. So that means that your square root would be inbetween 12 and 13. If you multiple 12•12 you get 144. And if you multiply 13•13 you get 169. So neither of those numbers are equal 147 so 147 is NOT a square but the closest square root is 12.
You just have to multiply straight across. Multiply the numerators for the new numerator, and the denominators for the new denominator.
5*3=15
4*8=32
15/32 is the answer (b).
