Answer:5
Step-by-step explanation:
4(x+2)=28
x+2=7
x=5
Answer:
8⁻¹
Step-by-step explanation:
1/x = x⁻¹
Answer:
720 possible ways
Step-by-step explanation:
The gold is awarded to the first position, the silver is awarded to the second position while the bronze is awarded to the third position.
The first position can be taken by any of the 10 runners
Now, the second position can be taken by remaining 9 runners
while the third position can be taken by the renaming 8 runners.
Thus, the number of ways in which these medals can be awarded = 10 * 9 * 8 = 720 ways
2.49 and 2.51 :)
I hope it helped :)
The greatest common factor of 3 and 10 is 30,because 3x10= 30, and 10x3=30.
Hope this helped.