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nalin [4]
3 years ago
6

Lizabeth says that (-12)^3 equals a positive number because the product if two negative integers is a positive integer. Do you a

gree? Use what you know about exponential expressions to explain.

Mathematics
1 answer:
Alika [10]3 years ago
6 0

Lizabeth's reasoning is faulty because in this expression, it's not multiplying 2 negative integers, its multiplying 3 negative integers. And while the product of 2 negative integers equals a positive, the positive product multiplied by another negative will equal a negative.

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A single die is rolled twice. Find the probability of rolling an oddnumber the first time and a number greater than 2 the second
harkovskaia [24]

Answer:

1/3.

Step-by-step explanation:

The 2 events are independent so we multiply the 2 probabilities.

Prob(rolling an odd number) = 3/6 = 1/2.

Prob(rolling a number greater than 2) = 4/6 = 2/3.

The required probability = 1/2 * 2/3

= 2/6

= 1/3.

5 0
4 years ago
Write a linear function f with the values f(−1)=8 and f(5)=6.<br><br> A function is f(x)=
german

9514 1404 393

Answer:

  f(x) = -1/3x +23/3

Step-by-step explanation:

You can use the linear regression function of a graphing calculator or spreadsheet to show you the equation of the line through these points:

  f(x) = -1/3x +23/3

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Approaching this in the usual way, we recognize we have points ...

  (-1, 8) and (5, 6)

The slope of the line through those points is ...

  m = (y2 -y1)/(x2 -x1)

  m = (6 -8)/(5 -(-1)) = -2/6 = -1/3

Then the point-slope equation of the line is ...

  y - 8 = -1/3(x +1)

Adding 8 gives us a form we can use for a function definition:

  f(x) = -1/3(x +1) +8

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8 0
2 years ago
Pls help I’ll mark brainliest
Pavel [41]

Answer:

2=72 4=148  6=222  10=370 15=555 16=592

sorry about the second part i didnt see it

5 0
3 years ago
Read 2 more answers
Given △QRS ~ △XYZ, what is the value of tan(Q)?
VladimirAG [237]
Since the triangles are similar the ratios of the lengths of corresponding sides are equal.

tan Q = opp/adj = RS/QS = YZ/XZ = 9/12 = 3/4
8 0
4 years ago
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Select all of the following points that lie on the graph of f(x) = 7 - 3x.
Mila [183]

Answer:

All of the points lie on the graph except for the coordinates (-2,1) and (1,5)

Step-by-step explanation:

6 0
3 years ago
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