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ZanzabumX [31]
3 years ago
6

A bag has 4 red, 3 purple, 2 pink, and 41 blue marbles. What is the percent chance of reaching into the bag and drawing a pink o

ne?
Mathematics
2 answers:
Nutka1998 [239]3 years ago
4 0
<h2>20% i think thats all i know im kinda dumb so i dont thinks its right sorry</h2>
Vladimir79 [104]3 years ago
3 0

Answer:

4%

Step-by-step explanation:

Sample space or the total number of balls is

4Red + 3Purple + 2Pink + 41Blue = 50 balls

probability of picking a pink ball, P(Pink) is given by

P(pink) = <u>Total no of Pink balls</u>

              Total no of balls(sample space)

P(Pink) = \frac{2}{50}= \frac{1}{25}

hence,

percent chance of picking a pink ball = P(Pink) × 100%

                                                               =\frac{1}{25} \times 100%

                                                               = 4%

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Simplify, 5(2x + 3y) - 4(3x - 5y)
borishaifa [10]

5(2x + 3y) - 4(3x - 5y)

5(2x) + 5(3y) - 4(3x) + 4(5y)

(10x + 15y) + (-12x + 20y)

(10x - 12x) + (15y + 20y)

-2x + 35y

5 0
3 years ago
A boat costs 16,000 and decreases in value by 14% per year. How much will the boat be worth after 11 years?
elixir [45]

<u>Answer</u>

    = 3,045.10

<u>Explanation</u>

A = P(1 - 14/100)ⁿ

A = 16,000(1-0.14)¹¹

    = 16,000 × 0.86¹¹

    = 16,000 × 0.190319

<em>     = 3,045.109725</em>

4 0
3 years ago
How can you describe the graph of the equation ax + by = c? Explain
natka813 [3]

Answer:

When A and B are not both zero, the graph of Ax + By = C is always a line. The graph of Ax + By = C, where A and B are not both zero, is a line. Divide both sides by B. Because the form Ax + By = C can describe any line, it is called the standard form of an equation for a line.

(You already asked this question)

3 0
3 years ago
A piece of wire 40 cm long is to be cut into two pieces. One piece will be bent to form a circle and; the other will be bent to
Brums [2.3K]
<h3>The perimeter of circle  = 17.6 cm</h3><h3>Perimeter of square  = 22.4 cm</h3>

Step-by-step explanation:

The total length of the wire  = 40 cm

Let us assume the circumference of the circle  = k cm

So, the circumference of the square  = ( 40 - k) cm

Now,as circumference of circle = 2πR

⇒2πR = k cm    or, R  = (\frac{k}{2\pi})

Area  of the  circle = πR²  

or, A  = \pi (\frac{k}{2\pi} )^2  

 = \pi \times (\frac{k^2}{(2\pi)^2} )  = \frac{k^2}{4 \pi} \\\implies A =  \frac{k^2}{4 \pi}   ....... (1)

Similarly , perimeter of square  = 4 x Side

⇒ 4 x Side  =  ( 40 - k) cm    ⇒ S = (\frac{40 - k}{4} )

Area  of the  square = (Side)²    = (\frac{40 - k}{4} ) ^2

 Solving, we get:  A = \frac{1600 + k^2 - 80 k}{16}   ....... (1)

So, combining (1) and (2), total area A is

A = (\frac{k^2}{4 \pi} ) + \frac{k^2 + 1600 - 80 k }{16}

or, we get: A  = 0.07962 k²  + 0.0625 k² + 100 - 5 k

A  =  0.1422 k² - 5 k + 100

For axis of symmetry :  k = (\frac{-b}{2a} ) = (-\frac{-5}{2(0.1420})  = 17.6

⇒ k = 17.6 inches

So, the perimeter of circle  = 17.6 cm

Perimeter of square  = (40 - 17.6 )  = 22.4 cm

3 0
3 years ago
Which expression is equivalent to 3x – 5?
3241004551 [841]

Answer:

2x -4 -1 +x

Step-by-step explanation:

8 0
3 years ago
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