Answer:3 in. per yr
Step-by-step explanation:
Present height of Samantha is
After next
she grew to
Increase in her height
Increase in height per year is
Write or draw to explain two different ways to find the difference for twelve take away three
1 answer:
Hey there! Hello!
So, for this problem, there's one answer we can immediately figure out:
You can also make use of "counters," as shown in my first attachment. The large group has 9, while the small group has three. It represents a separation between the two amounts.
You can also make use of a number line. To subtract, start at 12, then go towards zero (or to the left) three times. This will give you your number.
Hope this helped! Feel free to ask me any additional questions if you have any. :-)
So, for this problem, there's one answer we can immediately figure out:
You can also make use of "counters," as shown in my first attachment. The large group has 9, while the small group has three. It represents a separation between the two amounts.
You can also make use of a number line. To subtract, start at 12, then go towards zero (or to the left) three times. This will give you your number.
Hope this helped! Feel free to ask me any additional questions if you have any. :-)
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Answer:
y = 2x - 4
x = R
Step-by-step explanation:
1)
2x - y = 4
-y = -2x + 4
y = 2x - 4
2) to find x
replace y by 2x - 4 in the second equation
4x -2y = 8
4x -2(2x-4) = 8
4x -4x +8 = 8
4x -4x = 8-8
4x -4x = 0
0 = 0 ⇒ any number is possible for x