Answer: I believe the answer is A. That is is an rational number because 3/4+1/2=5/4 aka 1 and 1/4 which is rational because it terminates.
Step-by-step explanation:
Answer:
Step-by-step explanation:
9 * -9 * -1 =
-81 * -1 =
81 <===
In multiplying (or dividing), if the signs are the same, the result is positive
if the signs are different, the result is negative
these rules do not apply to addition or subtraction
Answer: 1) marks got by class 7 in PAT study
2) 22 and 25 respectively
3) three
4) Prachi
5) Steven
Answer:
Step-by-step explanation:
5x-1=49
5x=50
X=50/5
X=10
2x+5=1
2x=-4
X= -4/2=-2
1-x=10
-x=10+1
X= -11
9x - 3 = 15
9x =12
X =12 /9
X=4/3=1.33
9-6x= 17
-6x= 8
X=8/-6
X=-1.33
Answer:
Every 30 hours
Step-by-step explanation:
Train A arrives at central station on the hour and every 12 minutes, you mean with that on every 72 minutes
Train B arrives at central station on the hour and every 15 minutes, you mean with that on every 75 minutes
In accordance with the given, the smallest number containing numbers 72 and 75 is 1800 minutes.
When we convert this number of minutes in hours we get:
1800 / 60 = 30 hours
God with you!!!