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Simora [160]
1 year ago
14

PLSS HELP ASAP

Mathematics
1 answer:
Mama L [17]1 year ago
5 0

based on the number of marbles in the bag, the number of marble groups possible is 7,140 groups.

the probability of selecting 2 red and 1 yellow is 1/68.

<h3>what number of 3-marble groups can be made?</h3>

first, find the number of marbles:

= 7 + 8 + 9 + 7 + 5

= 36

the number of marble groups are:

= 36 ! / (3 ! x 33 !)

= 7,140 groups

the probability of picking 2 red and 1 yellow is:

= (( (7! / (2! x 5!)) x ( ( 5! / (1! x 4!))) / 7,140

= 1 / 68

= 1.47%

find out more on probability at brainly.com/question/13369680.

#SPJ1

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89 more than the quotient of an unknown number and 62 is 94
Nataly [62]
X/62 + 89 = 94

x/62 +89 = 94 
  <u>      - 89   - 89</u>
x/62         = 5
*<u> 62            *62</u>
            x = 310

To check:
quotient of an unknown number and 62
310/62 = 5

5 + 89 = 94
94 = 94

5 is the quotient of an unknown number and 62.
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Answer:

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3 years ago
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amm1812

Answer:

a)   x₁ = 14

     x₂ = - 6

b) x = 4

c) P(max ) = 4000000 $

Step-by-step explanation:

To find the axis of symmetry we solve the equation

a) -4x² + 32x + 336 = 0

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x₁,₂ = [ -b ± √b² -4ac ]/2a

x₁,₂ = [ 8  ±√(64) + 336 ]/2

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x₁,₂ =( 8 ± 20 )/2

x₁  = 14

x₂ = -6

a) Axis of symmetry must go through the middle point between the roots

x = 4 is the axis of symmetry

c) P = -4x² + 32x + 336

Taking derivatives on both sides of the equation we get

P´(x) = - 8x + 32  ⇒  P´(x) = 0     - 8x + 32

x = 32/8

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to get  a profit :

P = - 4*(4)² + 32*(4) + 336

P(max) = -64  + 128 + 336

P(max) = 400           or  400* 10000 =  4000000

     

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3 years ago
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Answer:

Step-by-step explanation:

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