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Burka [1]
2 years ago
12

Add 3x to 4 a. 7x b. 7 c. 34x d. 4+3x

Mathematics
2 answers:
Artist 52 [7]2 years ago
7 0
Add 3x to 4 means 3x + 4, so it’s d. 4 + 3x is the same as 3x + 4
AleksandrR [38]2 years ago
4 0
D

Please mark brainliest
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Answer:

25.133 units

Step-by-step explanation:

Since the density ρ = r, our mass is

m =  ∫∫∫r³sinθdΦdrdθ. We integrate from θ = 0 to π (since it is a hemisphere), Φ = 0 to 2π and r = 0 to 2  and  the maximum values of r = 2 in those directions. So

m =∫∫[∫r³sinθdΦ]drdθ      

m = ∫[∫2πr³sinθdθ]dr     ∫dФ = 2π

m = ∫2πr³∫sinθdθ]dr

m = 2π∫r³dr    ∫sinθdθ = 1

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m = 25.133 units

5 0
3 years ago
Of the 36 students in the book club .five ninths Of the students prefer adventure books to historical books. How many of the stu
Effectus [21]
You have to make a tape diagram and divide it in to 9 parts because it is 5 out of 9 then you will make a bracket pointing to only 4 parts of the tape diagram then you do 36/9 and it will equal 4 so put 4 in to each part and so 4 x 4 is 16 so the answer is 16 people prefer historical books
8 0
3 years ago
Read 2 more answers
5 | 61251 is this true or false?
slamgirl [31]

Step-by-step explanation:

the answer is false because its counting by 5

3 0
2 years ago
Show a number line 2/3 3/3
matrenka [14]
2|------|------|------|3/3 or 1 whole
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6 0
3 years ago
An experiment was performed upon rats to investigate the effect of ingesting Alar (a chemical sprayed on apple trees to keep fru
skelet666 [1.2K]

Answer:

Option C and D are false

Step-by-step explanation:

All the mentioned option are correct in the given scenario except option C and D.

The reason is that dose is categorized as nil, low and high so, dose is categorical variable. Also, number of tumors is quantitative variable because it can be meaningfully interpreted in numerical form. The number if tumors is discrete quantitative variable.

Now consider all options

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This option is true because gender can be categorized into male and female and also dose is ordinal because it has order i.e. nil,low and high.

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Option C and D are already discussed an option E is discussed in option B.

3 0
3 years ago
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