Need help on this not sure about it
Need help on this not sure about it - 1

Answers

Answer 1
Answer:

Answer:

thinks it's the second one

Step-by-step explanation:

11-4=7

135-5=130


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Which property was used to simplify the expression? 3c+9+4c=3c+4c+9
distributive property
commutative property
associative property
inverse property

Answers

Answer:

commutative property

Step-by-step explanation:

Either order or way you put the numbers, it will be the same answer.

The floors in an apartment building belong to different ____.

Answers

(planes) would be the correct  answer
people 

That's what sounds about right

What is the sampling method used in the following scenario? The marketing manager for an electronics chain store wants information about the ages of its customers. Over the next two weeks, at each store location, 100 randomly selected customers are given questionnaires to fill out asking for information about age, as well as about other variables of interest.

Answers

Answer:

Step-by-step explanation:

The method applied in this scenario is called simple random sampling. A sample of 100 customers is chosen from a larger population of customers and each customer has the same chance of being selected for the survey at any given time. Also, the chance of selecting 100 customers from each store is the same during the sampling process. The order of sampling at each store does not follow a certain order, thus, It is different from systematic random sampling.

If f(x) = x2 + 2x + 1 and g(x) = 3(x + 1)2, which is anequivalent form of f(x) + g(x)?
O x2 + 4x + 2
O 4x2 + 2x + 4
O 4x2 + 8x + 4
o 10x2 + 20x + 1

Answers

The equivalent form of f(x) + g(x), if  f(x) = x² + 2x + 1 and g(x) = 3(x + 1)² is

4x² + 8x + 4, so option C is correct.

What is a function?

In the case of a function from one set to the other, each element of X receives exactly one element of Y. The function's domain and co-domain are respectively referred to as the sets X and Y as a whole.

Given:

f(x) = x² + 2x + 1 and g(x) = 3(x + 1)²

Calculate the equivalent form as shown below,

f(x) + g(x) = x² + 2x + 1 + 3(x + 1)²

Simplify the above equation,

f(x) + g(x) = x² + 2x + 1 + 3(x² + 2x + 1)

f(x) + g(x) = x² + 2x + 1 + 3x² + 6x + 3

f(x) + g(x) = 4x² + 8x + 4

To know more about function:

brainly.com/question/5975436

#SPJ2

the answer should be C

What is the lateral area of the pyramid? A. 289.2 ft.2
B. 125.7 ft.2
C. 241.6 ft.2
D. 103.3 ft.2

Answers

Lateral surface are = 2( 1/2 x 11 x 11.9) + 2( 1/2 x 9 x 12.3)

Lateral surface area = 130.9 + 110.7 = 241.6 ft²

Answer: 241.6 ft² (Answer C)

Answer:

Answer: 241.6 ft² (Answer C)

Step-by-step explanation:

1. What is the width of a piece of paper in meters and millimeters if it is 20 centimeters?2.What is the height of a woman in centimeters and millimeters if it is 1.52 meters?

Answers

Answer:

1. 0.20 m, 200 mm

2. 152 cm, 1520 mm

Step-by-step explanation:

You may be familiar with a place-value chart that names the digits of a number based on their relationship to the decimal point. It might look like ...

  (units) . (tenths) (hundredths) (thousandths)

So a number like 0.2 units can be rewritten in terms of hundredths or thousandths like this:

  0.200 units = 20.0 hundredths = 200. thousandths

The name that's attached depends on where you put the decimal point.

___

When the units are meters, the corresponding names are ...

  (meters) . (decimeters) (centimeters) (millimeters)

1. That is 0.200 meters = 20.0 centimeters = 200. millimeters.

2. 1.520 meters = 152.0 centimeters = 1520. millimeters.