Answer:
18
Step-by-step explanation:
Alright so here you have to work backwards. the volume of a cylinder is pi*r^2*h.
Your equation: 486 pi = pi*r^2*6
You know the height is 6 feet, so you can get rid of the 6 feet hanging off of your equation by dividing both sides by 6:
81 pi = pi*r^2
Now you notice that both sides have pi. You can eliminate it by dividing both sides by pi:
81 = r^2
To isolate the r, radius, you have to take the square root of both sides, since a square root is the inverse operation of squaring. You get:
9 = r
Now that you have the radius, you can find the diameter by multiplying the radius by 2, because a diameter = 2 * the radius:
18 = d
Hope this helps!
Answer:
(-1, 5)
(0, 3)
(2, -1)
Step-by-step explanation:
we have

Remember that
If a ordered pair is a solution of the given function, then the ordered pair must satisfy the given function
<u><em>Verify each case</em></u>
case a) (-2, -1)
substitute the value of x and the value of y in the given function and compare the result

---> is not true
therefore
Is not a ordered pair of the given function
case b) (-1, 5)
substitute the value of x and the value of y in the given function and compare the result

---> is true
therefore
Is a ordered pair of the given function
case c) (0, 3)
substitute the value of x and the value of y in the given function and compare the result

---> is true
therefore
Is a ordered pair of the given function
case d) (1,0)
substitute the value of x and the value of y in the given function and compare the result

---> is not true
therefore
Is not a ordered pair of the given function
case e) (2, -1)
substitute the value of x and the value of y in the given function and compare the result

---> is true
therefore
Is a ordered pair of the given function
d - 3 = (-8)
+3 +3
d = -5
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Answer:
If it has the little line under the > sign then x = 5
Step-by-step explanation:
Answer:
1).
Alyssa:
About 1 book
Brandon:
About 1 book
Alyssa:
7/12 of a book
Brandon:
4/5 of a book
Step-by-step explanation:
Alyssa:
1/4=1/2
1/3=1/2
1/2+1/2=1
1/4= 3/12
1/3=4/12
3/12+4/12=7/12
Brandon:
2/5=1/2
4/10=1/2
1/2+1/2=1
2/5=4/10
4/10+4/10=8/10=4/5
Hope this helps! Please mark as brainliest!