sarah hopes to be 5 feet in her next birthday. right know she is 148 cenmeter tall.how many more centimerter does sarah need to
2 answers:
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You have a system of equations 
.
1. Substitude right side of second equation into the left side of the first equation:
.
2. Solve this equation:
.
3. Find y:
for
,
for
.
4. The solutions of the system are: (3,-12) and (5,-24).
Answer: Correct choice is A.
1. Substitude right side of second equation into the left side of the first equation:
2. Solve this equation:
3. Find y:
for
for
4. The solutions of the system are: (3,-12) and (5,-24).
Answer: Correct choice is A.
Answer:
is a multiple of 4
Step-by-step explanation:
Let's think about this.
Even numbers are basically numbers that, when divided by 2, get us an integer.
This means that must be an even integer.
<em>However,</em>
Every other even number, when divided by 2, gets you an odd integer.
This means that every second even number, gets us an even number.
This also means that every time is an even number, n will be a multiple of 4 (as
).
Test this out with any even number that's a multiple of 4 (all multiples of 4 are even numbers)
Hope this helped!