The ABE and DBC are both made of DBE and and ABD or EBC so if the firsts are equal than these are also equal
Answer:
x=9.2
Step-by-step explanation:
23/x=17.5/7
cross multiply
17.5x=161
divide
x=9.2
Answer:
-1
Step-by-step explanation:
the common ratio in this geometric series is -1
Answer:
All in all, Jonathan's piggy bank contains 100 coins. Among these coins, only 50 are one-dollar coins. Therefore, the theoretical probability of picking one-dollar coin from the piggy bank is equal to 50/100 or 1/2.
Similarly, from the experiment, 20 coins were picked and among these there are 12 one-dollar coins. The answer to the second question is therefore 12/20 or 3/5.
Step-by-step explanation:
