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oksano4ka [1.4K]
3 years ago
10

Is x^(-2)+5 a polynomial expression? Why or why not?

Mathematics
1 answer:
Lynna [10]3 years ago
3 0

Answer:

it is not because a polynomial cannot have a negative power

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The following graphs have a scale assigned to them: The area of each grid
dezoksy [38]

The graphs that are density curves for a continuous random variable are: Graph A, C, D and E.

<h3>How to determine the density curves?</h3>

In Geometry, the area of the density curves for a continuous random variable must always be equal to one (1). Thus, we would test this rule in each of the curves:

Area A = (1 × 5 + 1 × 3 + 1 × 2) × 0.1

Area A = 10 × 0.1

Area A = 1 sq. units (True).

For curve B, we have:

Area B = (3 × 3) × 0.1

Area B = 9 × 0.1

Area B = 0.9 sq. units (False).

For curve C, we have:

Area C = (3 × 4 - 2 × 1) × 0.1

Area C = 10 × 0.1

Area C = 1 sq. units (False).

For curve D, we have:

Area D = (1 × 4 + 1 × 3 + 1 × 2 + 1 × 1) × 0.1

Area D = 10 × 0.1

Area D = 1 sq. units (True).

For curve E, we have:

Area E = (1/2 × 4 × 5) × 0.1

Area E = 10 × 0.1

Area E = 1 sq. units (True).

Read more on density curves here: brainly.com/question/26559908

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6 0
2 years ago
What is the square number of 13 27 81 21 43 48 23 39 45
Burka [1]

if you add them all its 340 and the square number is 9

4 0
3 years ago
Read 2 more answers
An inverted pyramid is being filled with water at a constant rate of 50 cubic centimeters per second. The pyramid, at the top, h
klio [65]

Step-by-step explanation:

Below is an attachment containing the solution.

3 0
3 years ago
Read 2 more answers
CAN SOMEONE PLEASE HELP ME?!
Olegator [25]

Answer:

B

Step-by-step explanation:

4 0
3 years ago
20)
Natali5045456 [20]

Answer:

The correct option is A) The growth factor of the investment.

Step-by-step explanation:

Consider the provided exponential function.

V(t) = 30,000(1.125)^t

Where V(t) is the total value  after t years.

Here the function is in the form of Exponential Growth:

y = a(b)^x

Where b value is the growth factor.

By comparing we get that the constant '1.125' represents the growth factor by which our value is increasing each year.

Constant '30,000' represents the initial value i.e. the investment made.

Hence, the correct option is A) The growth factor of the investment.

7 0
3 years ago
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