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3 years ago

HELP QUICK IM STRUGGLING!:(

Mathematics

2 answers:

snow_tiger [21]3 years ago

4 0

Answer: 6/11 or B

Step-by-step explanation: How you would get this answer is you would take the fraction and see if there is any number you can divide both the denominator + the numerator by if there is not a number that you can divide them both by then it is in simplest form. But, if there IS a number that you can divide them both by then no it is not in simplest form.

I hoped this helped! :)

lukranit [14]3 years ago

3 0

The answer is B hopefully this helped

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In Ethiopia there are 20 premier league soccer teams. in one round how many games are there?

frosja888 [35]

Answer:

190 games

Step-by-step explanation:

²⁰C₂ = 20!/[(20 - 2)! * 2!] = 190

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2 years ago

Loretta places 20 red tiles in a bag. How many blue tiles must be added to the bag to make the probability of randomly drawing a

Galina-37 [17]

Answer:

If the number of blue tiles in the bag is 180, then the probability of randomly drawing a red tile equal to 1/10.

Step-by-step explanation:

Total number of red tiles in a bag = 20

Let us assume the number of blue tiles in a bag = p

So, the total number of tiles in a bag = Red Tiles + Blue tiles

= 20 + p

Now, let us find the probability of drawing a red tile:

$\textrm{The probability of drawing a red tile} = \frac{\textrm{Total Number of red tiles}}{\textrm{Total Tiles}}\\= \frac{20}{20 + p}$

But, here the probability of drawing a red tile = 1/10

$\implies \frac{1}{10} = \frac{20}{20+p} \\\implies 20 + p = 200\\\implies p = 200- 20 = 180$

or, p = 180

Hence, if the number of blue tiles in the bag = 180, then the P Picking out a red tile ) is 1/10.

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3 years ago

A rectangle has length of (5x+2) and a width of (3x-1) with an area of 308 units squared. Find the perimeter

Alex777 [14]

Answer:

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Step-by-step explanation:

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3 years ago

Bobby and Petra are running a lemonade stand and they charge 45 cents for each glass of lemonade. To break even they must make $

wolverine [178]

Answer: 56

Step-by-step explanation:

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3 years ago

The present value of an ordinary annuity of $350 each year for five years, assuming an opportunity cost of 4 percent, is ___

liubo4ka [24]

We can calculate it by PVOA table.
PVOA means present value of an ordinary annuity.
PMT = $350
PMT means recurring payment.
time = 5 years and interest rate is 4%
So n = 5 and i = 4%
So we can calculate PVOA as

PVOA = PMT times (PVOA factor for n = 5 and i = 4%)
$= 350 * (4.452)$ (PVOA factor PVOA table)
$= 1558.2$
So present value is $1558.2

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3 years ago