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3 years ago

How many dogs are there in the world?

Mathematics

2 answers:

AleksandrR [38]3 years ago

7 0

Answer:

900 million.

Step-by-step explanation:

It's estimated that there are 900 million dogs in the world, as of 2018.

TEA [102]3 years ago

3 0

Answer:

It's estimated that there are 900 million dogs in the world, as of 2018

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The 5 and 10 min cross. 10
The 5 min returns. 15 
The 20 and 25 min cross 40 
The 10 min comes back 50 
The 5 and 10 min cross again in60 Mins

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3 years ago

At the electronics store, television screens are sized by the lengths of their diagonals. The television that Ms. Duckworth want

Inessa05 [86]

Answer:

55.8

Step-by-step explanation:

44 ^ 2 = 1936

b ^ 2 = 55 .8 ^ 2

51 ^ 2 = 2601

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2 years ago

Brooks traded $5250 for Japanese yen, immediately changed his mind, and then promptly traded his Japanese yen back into dollars.

alukav5142 [94]

I Believe it would remain the same unless there is a fee for converting the dollar to yen in the first place.

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2 years ago

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Write out the sample space for the given experiment. Use the following letters to indicate each choice: M for mushrooms, A for a

babymother [125]

Answer:

MBI, MBV, ABV, ABI, MPI, MPV, APV, API

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2 years ago

Solve each polynomial equation.

spayn [35]

Answers:

15) x = 8, $\frac{1}{3}, - \frac{2}{5}$

16) x = 9, $\frac{5+\sqrt{17}} {2}$ , $\frac{5 -\sqrt{17}} {2}$

17) x = 6, $-\frac{3+i\sqrt{11}} {10}$ , $-\frac{3-i\sqrt{11}} {10}$

Step-by-step explanation:

15x³ - 119x² - 10x + 16 = 0

$\frac{p}{q}: \frac{16}{15}:+/- \frac{1*2*4*8*16}{1*3*5*15}$

So, the possible rational roots are: +/- $1, 2, 4, 8, 16,\frac{1}{3},\frac{2}{3},\frac{4}{3},\frac{8}{3},\frac{16}{3},\frac{1}{5},\frac{2}{5},\frac{4}{5},\frac{8}{5},\frac{16}{5},\frac{1}{15},\frac{2}{15},\frac{4}{15},\frac{8}{15},\frac{16}{15}$

Use synthetic division with each one until you find a remainder of zero. I am not going to go through each one because it is too time consuming, however, the first one that works is x = 8

(x - 8)(15x² + x - 2)

Next, factor 15x² + x - 2 using any method

(x - 8)(3x - 1)(5x + 2)

Now, solve for x.

x = 8, x = $\frac{1}{3}$ , x = $-\frac{2}{5}$

*******************************************************************

For #16 & 17, follow the same process as above.

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3 years ago

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