Its is a function. mentally connect the dots. run your pencil across the paper parallel to the y-axis. if none of the points have touch the pencil it is a function. another way to check. look at the X value of all the coordinates. if they are all different its a function.
Answer:
3
Step-by-step explanation:
I'm sure if that shoe fits
Answer:
CD=28
FD=16
EF=22.978
EC=45.956
Step-by-step explanation:
hope it helps...
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Every 56 seconds, the radioactive substance is divided in half.
224 / 56 = 4
We need to cut the substance in half 4 times.
896 / 2 = 448
448 / 2 = 224
224 / 2 = 112
112 / 2 = 56
After 224 seconds, there will be 56 grams of the radioactive substance left over
About 224.7 I think. I hope this helps