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Ratling [72]
2 years ago
9

What is the average rate of change between: x = 1 and x = 2? x = 2 and x = 3? x = 3 and x = 4? x y 1 2 3 4 5 4 8 12

Mathematics
1 answer:
Vikentia [17]2 years ago
4 0

Answer:

The average rate of change between x = 1 to x = 2 is 2, from x = 2 to x = 3 is 4 and from x = 3 to x = 4 is 8.

Step-by-step explanation:

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How many years will it take for the area of the glacier to decrease to 15 square kilometers
atroni [7]

Answer:

  20ln(3)

Step-by-step explanation:

Put 15 for A and solve for t.

  15 = 45e^(-.05t)

  15/45 = 1/3 = e^(-.05t) . . . . divide by 45

  ln(1/3) = -.05t . . . . . . . . . . . take natural logs

  20ln(3) = t . . . . . . . . . . . . . . multiply by 20, simplify

It will take 20·ln(3) years for the area to decrease to 15 km^2.

5 0
2 years ago
Sets L and J are defined as follows.
wlad13 [49]

Answer:

The second one:

L∪J={i,j,k,l,m,n,o}

Step-by-step explanation:

The union is the elements listed in either set.

So since l,m,n, and o are elements of set L, they will also be elements of whatever it is "unioned" with.

Since i,j,k,l and m are elements of set J, they will also be elements of whatever it is "unioned" with.

When you write the union, just be sure to include each element that occurs in either set once.

So the union of L and J is {i,j,k,l,m,n,o}.

The answer is the second one.

The intersection would actually be that upside down U thing, the ∩ symbol. The intersection of two sets is a list of elements that both sets include.  So here the intersection would just consist of the elements l amd m.

8 0
3 years ago
Read 2 more answers
Explain how you could use a number line to show that -4 + 3 and 3 + (-4) have the same value
iogann1982 [59]
Find (-4) on the number line and move 3 to the right.  You will end up at (-1).

Find (3) on the number line and move 4 to the left.  You will end up at the same value of (-1).
6 0
3 years ago
15=5k-13 whats the letter
Marina86 [1]

Answer:

k= 5.6

Step-by-step explanation:

7 0
3 years ago
The area of a square is given by x2, where x is the length of one side. Mary's original garden was in the shape of a square. She
Viefleur [7K]

2( {x}^{2} )

3 0
3 years ago
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