Answer:
system results in a true statement
Step-by-step explanation:
Answer:
y= 0.6x + 6 or y= 3/5x + 6
Step-by-step explanation:
The function for a linear function is y=mx+b.
We know that b is 6 because that is the y-intercept.
However to find m we need to see how much the x coordinates skip on the table and the y coordinates. We can see that x coordinates skip by 5s and the y corrdinates skip by 3. We than divide 3/5 to get o.6 and we get the equation. This video, tittled "Writing A Linear Equation From A Function Table" explains it much better than I can.
Answer:
23.2%
Step-by-step explanation:
First we need to find how many half lives 135 years is:
135 ÷ 64 = 2.109375
Now we divide 100% by 2 to the power of the number of half lives. This is how you calculate the percentage of the original amount left. If you have the original mass, you can substitute that in instead of 100%:
100 ÷
= 23.1747390635
To 1 decimal place it is 23.2%
If the speed is expressed in (miles per hour),
then it will take the train exactly
<em>(350) divided by (speed) </em> hours
to travel 350 miles at that speed.
Answer:
7, 5, 1, 3
Step-by-step explanation:
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