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Serhud [2]
3 years ago
6

What would be the answer to this question

Mathematics
2 answers:
Vilka [71]3 years ago
5 0

Answer:

The third one is the one I would choose

Hope this helped :)

Step-by-step explanation:

MArishka [77]3 years ago
3 0

Answer:

B

Step-by-step explanation:

(\frac{f}{g})(x)

= \frac{3x+5}{3x^2-x-10} ← factor denominator

= \frac{3x+5}{(x-2)(3x+5)} ← cancel (3x + 5), leaving

= \frac{1}{x-2}

The denominator cannot be zero as this would make the fraction undefined. Equating the denominator to zero and solving gives the value that x cannot be.

solve x - 2 = 0 ⇒ x = 2 ← excluded value

domain is the set of all real numbers except 2

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Heron Island is a coral cay in the Great Barrier Reef. Around Heron Island (and elsewhere in Australia) there are 2 color morphs
kobusy [5.1K]

In case A, as the error would be a difference of 1, the assumption could be mantained, but in case B the difference will be bigger, showing that the ratio is not 3:1 but 4:1.

<h3><u>Ratios</u></h3>

Given that a preliminary study was carried out to test the hypothesis that the ratio of white to dark herons on the island was 3:1, but A) a small census found 16 white morphs and 4 dark, to determine if the assumption of a 3 :1 ratio could be rejected, and B) to determine the same question if the census were larger with 160 white morphs and 40 dark, the following calculations must be made:

A)

  • 3 + 1 = 4
  • 16 + 4 = 20
  • 4 = 20
  • 3 = X
  • 60 / 4 = X
  • 15 = X
  • Therefore, as the error would be a difference of 1, the assumption could be mantained.

B)

  • 3 + 1 = 4
  • 160 + 40 = 200
  • 150 = 3:1
  • In this case, the difference will be bigger, showing that the ratio is not 3:1 but 4:1.

Learn more about ratios in brainly.com/question/1504221

3 0
2 years ago
If 3x − (7 − x) = 29, find the value of 6x.
Stells [14]

Answer:

54

Step-by-step explanation:

3x -(7-x) = 29       remove the parens

3x - 7 + x = 29     simplify

4x -7 = 29            add 7 to both sides of the equation

4x = 36            divide by

x = 9

then 6x = 6 * 9 = 54

7 0
2 years ago
You make $500 per day. How much money will you make per year? (There are 250 working days in a year).
Gennadij [26K]

Answer:

125000

Step-by-step explanation:

500x 250 = 125000

7 0
3 years ago
Read 2 more answers
Independent Practice
kykrilka [37]

Answer:

C.

0.5; 13.5; 1093.5

Step-by-step explanation:

4 0
3 years ago
A company that makes trail mix uses 1 3/8
leonid [27]
Is it 17.75 cuz what i got
7 0
3 years ago
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