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2 years ago

Can you pls help i need to submit it soon ..i'll mark you brainlist

Mathematics

2 answers:

garik1379 [7]2 years ago

8 0

Here is the answer with explanation

faust18 [17]2 years ago

6 0

Answer:

9x² + 72x + 144 OR x² + 8x + 16

Step-by-step explanation:

Data :

Sqaure has a side let say p = 3x + 12

As the formula for square area is

Area = A = p² or length × width

As square has all equal side

So ( 3x + 12 ) ( 3x + 12 )

⇒ 9x² + 36x +36x + 144

9x² + 72x + 144

OR take 9 common

x² + 8x + 16

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Probabilities are used to determine the chances of selecting a kind of donut from the box.

The probability that Warren eats a chocolate donut, and then a custard filled donut is 0.068

The given parameters are:

$\mathbf{Bars = 6}$

$\mathbf{Chocolate = 3}$

$\mathbf{Custard= 3}$

The total number of donuts in the box is:

$\mathbf{Total= 6 + 3 + 3}$

$\mathbf{Total= 12}$

The probability of eating a chocolate donut, and then a custard filled donut is calculated using:

$\mathbf{Pr = \frac{Chocolate}{Total}\times \frac{Custard}{Total-1}}$

So, we have:

$\mathbf{Pr = \frac{3}{12}\times \frac{3}{12-1}}$

Simplify

$\mathbf{Pr = \frac{3}{12}\times \frac{3}{11}}$

Multiply

$\mathbf{Pr = \frac{9}{132}}$

Divide

$\mathbf{Pr = 0.068}$

Hence, the probability that Warren eats a chocolate donut, and then a custard filled donut is approximately 0.068

Read more about probabilities at:

brainly.com/question/9000575

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