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1 answer:
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Answer:
if
Step-by-step explanation:
Recall some following basic ideas about absolute value:
or I guess
or just
but there is a reason why I wrote it the way I did.
You see that the absolute value returned the same value if the value was positive.
You see that the absolute value returned the opposite value if the value was negative.
You can include 0 in either.
Let's look at alone for a second.
* if
is positive or zero.
When is positive or zero? [greater than or equal to 0]
Subtract 3 on both sides
* if
is negative or zero.
When is negative or zero? [less or equal to 0]
Subtract 3 on both sides
So looking at the bullet points (the *), fits into the first inequality.
Therefore, .
<em>The Ordered pair of solution will be (x,y)=(2,3)</em>
- Solve the second equation for y
- Substitute the given value of y into the first equation
- Solve the first equation for x
- Substitute the given value of x into the second equation
- Solve the equation for y
- The possible solution of the system is the ordered pair (x,y)
- And we are done solving!!~
Answer:
Step-by-step explanation:
Surface area of a cylinder:
S. A. = 2πrh + 2πr²
Volume of a cylinder:
V = πr²h
~~~~~~~~~~~
2(π)(2.5)(x) + 2(π)(2.5)² = π(2.5)²(x)
5x + 12.5 = 6.25x
1.25x = 12.5
x = 10
