Answer:
5
Step-by-step explanation:
Convert the element to fraction:
/
Switch the division to multipl:
2/1 * 2/5
Cross multiply:
2 is elimiated and 1 and 5 remain.
Answer is 1/5 which is 5.
Answer:
B
Step-by-step explanation:
To be a function every input must have exactly one output. There are two input values with 2, therefore this makes it not a function.
Answer:
c) 35
Step-by-step explanation:
The total number of beads is 40. If we take 7/8 of it it would be:
7/8*40=35 beads
Answer:
×=4
Step-by-step explanation:
2x-1=7. so you have to add the 1 to both sides.
2x=8. then you divide the 2 on both sides to get x by itself.
x=4