A rational number is defined as a number that can be expressed in the form a/b where b≠0
the set of integers includes positive and negative counting numbers and 0
so like -4,-3,-2,-1,0,1,2,3,4.... etc
any integer can be written as the same integer over 1
some examples
-4=-4/1
3=3/1
100=100/1
etc
so yes, any integer can be expressed as a rational number
X^2 - 7x + 10......x = -3
(-3^2) - 7(-3) + 10 =
9 + 21 + 10 =
30 + 10 =
40 <===
Answer: 6/40 = 3/20
Step-by-step explanation:
The experimental probability is the number of times the desired result was obtained over the number of times the experiment was carried out:
P= Time the event occurs/ Total number of trials
In this case the event we are looking for is rolling a 3 on the number cube. The total number of trials is: 40
because the student rolls the cube 40 times. and the time that he got the number 3 (the times the desired event occurs) is: 6
because he rolls a 3 on the number cube 6 times. Thus our experimental probability to roll a 3 is: P = 6/40
Answer:
The correct awnser is A : )
Step-by-step explanation:
Answer: 15x+30
Step-by-step explanation: