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Makovka662 [10]
3 years ago
6

Which situation would MOST favor an observational study? A) none of the situations B) The independent variable can be systematic

ally varied across a wide range of values. C) The same sample subject can be tested using different values of the independent variable. D) A harmful, invasive process is required to set the independent variable in a sample subject.
Mathematics
2 answers:
Ivahew [28]3 years ago
7 0
The answer is <span>A) none of the situations

~ if you can, would you give me the brainlyest? Thanks and have a good day! :D
</span>
Eddi Din [679]3 years ago
3 0
It's
A. None of the situations
I hope it helped
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A manager must select three coders from her group to write three different software projects. There are 7 junior and 3 senior co
gavmur [86]

Answer:

The total number of ways are 168.

Step-by-step explanation:

Consider the provided information.

There are 7 junior and 3 senior coders in her group.

The first project can be written by any of the coders. The second project must be written by a senior person and the third project must be written by a junior person.

For second project we have 3 choices and for third project we have 7 choices.

Now there are 2 possible case:

Case I: If first and second coder is senior, then the total number of ways are:

3\times 2\times 7=42

Case II: If first and third coder is junior, then the total number of ways are:

7\times 3\times 6=126

Hence, the total number of ways are: 42+126=168

6 0
3 years ago
Leslie goes to the pet store to buy a goldfish. The sign below is on the tank. 3 GOLDFISH FOR $2.10!!! Assuming there is not a d
krok68 [10]
The answer is A, $0.70
7 0
3 years ago
Which of the following pairs of triangles are similar?
Ganezh [65]
The second and the fourth
6 0
3 years ago
Question - Find each f(c) using synthetic substitution. f(x) =5x 5 + 10x 4 + 3x 3 + 8x 2 – 6x – 3; c = 3
SpyIntel [72]

Answer:

2157

Step-by-step explanation:

The given function is

f(x)=5x^5+10x^4+3x^3+8x^2-6x-3

We want to find f(c) when c=3.

This means the remainder when f(x) is divided by x-3

We perform the synthetic division:

    5     10      3      8       -6      -3

<u>3|         15    75    234    726    2160</u>

    5     25    78    242    720    2157

Therefore the remainder is 2157

You are right

7 0
3 years ago
We're rounding to the thousands place. Between what two thousands is 9,364? Label the endpoints. **) 9,000
Aneli [31]
It’s between 9,000 and 10,000
8 0
3 years ago
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