Answer:
the 2 one is wrong
Step-by-step explanation:
the 2 would be greater than the 9 sense both the numbers are negative and the bigger the negative number is the less amount it is so -9 is smaller than -2
Answer:
x=5
Step-by-step explanation:
Now we have to cross multiply the denominator to progress further.
Answer:
600,200
Step-by-step explanation:
so we need 74L of acid and there is 800L of solution and we get the equation 0.1x+0.07y=74 and x+y=800 so we get x=600 and y=200
Percent means parts out of 100
30%=30/100=3/10
3/10 out of 720000 means 3/10 times 720,000=2160000/10=216,000
the answer is 216,000
Answer:
A. There are not 15 successes and 15 failures. A confidence interval can be computed by adding 2 successes and 2 failures.