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3 years ago

Round to the nearest tenth. 4.8367

Mathematics

1 answer:

kakasveta [241]3 years ago

5 0

Answer:

Number = 4.8367

Rounded to the nearest tenth means, rounded to the number after the decimal point.

We will have to round down because the hundredth is less than 5

So, we get,

4.8367 becomes, 4.8

Therefore 4.8367 rounded to the nearest tenth = 4.8

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Max and pedro both clean pools. Each charges a flat fee to clean a pool. Max cleans 12 pools in 8 hours and earned $270. Pedro c

marshall27 [118]

Answer:

The number of pools clean per hour is 1.5

Step-by-step explanation:

Given as :

The number of pools clean in 8 hours = 12

The number of pools clean in 7.5 hours = 9

Let The number of pools they clean per hours = x

I.e x = $\frac{8}{12}$ + $\frac{7.5}{9}$

Or, x = $\frac{24+30}{36}$

Or, x = $\frac{54}{36}$

∴ x = $\frac{3}{2}$

I.e x = 1.5

Hence The number of pools clean per hour is 1.5 Answer

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3 years ago

3. A bag has five blue marbles, seven red marbles and nine green marbles. Three marbles are drawn

Arte-miy333 [17]

Answer:

The probability is 9/266

Step-by-step explanation:

The first thing to do here is get the total number of marbles = 5 + 7 + 9 = 21 marbles

Now we are drawing the marbles without replacement, this means once a marble is drawn there is a decrease in the total number of marbles left.

The probability of drawing a green marble initially = number of green marbles/ total

number of marbles = 9/21 = 3/7

Now, we want to draw a blue marble

There are 5 blue marbles and we have already drawn one marble from the total. So the probability of drawing a blue marble would be 5/20 = 1/4

And lastly, another green marble

That would make 6 green marbles left and a total of just 19 left. So the probability at this point for green marbles = 6/19

Having and in probability means we multiply all

So this means the probability we are calculating is; 3/7 * 1/4 * 6/19 = 18/(28 * 19) = 9/(14 * 19) = 9/266

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3 years ago

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Murrr4er [49]

Answer:

A. 15:25 & C. 3:5 would be the ratios that are equivalent to 60%

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K - scale factor
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b = 11
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