Answer:
Associative property of addition
Step-by-step explanation:
its the same order only the () move
To get the value of DK we use proportionality:
AK/EK=BK/KD
thus plugging the values we get:
14/17=7/KD
getting the reciprocal of getting both sides we have:
17/14=KD/7
thus
KD=17/14×7
KD=8.5
thus
Answer:
21 because there is a 1/4 chance and there are 84 questions, so 1/4 (25%) of 84 is 21.
Step-by-step explanation:
Answer:
The answer is "1.30".
Step-by-step explanation:
Proportion of population
Ratio sample
Statistics of the test:


Answer:
4
Step-by-step explanation:
5-1=4