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laiz [17]
3 years ago
8

There are two jars with marbles. The first jar contain 3 red, 4 green, and 5 blue marbles the second jar contains 4 red, 2 green

, and 6 blue marbles. What is the probability of randomly draing a green marble from the first har and a blue marble from the second war?
Mathematics
1 answer:
mixas84 [53]3 years ago
3 0

Answer:

33% probability for the first jar and 50% probability in the second jar

Step-by-step explanation

both jars contain 12 marbles

for the first jar the probability is 4/12 which is 33%

for the second jar the probability is 6/12 which is 50%

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WORTH 50 POINTS | Which is equivalent to 8/12 = x/9
kaheart [24]

\\ \sf\longmapsto \dfrac{8}{12}=\dfrac{x}{9}

\\ \sf\longmapsto 12x=8(9)

\\ \sf\longmapsto 12x=72

\\ \sf\longmapsto x=\dfrac{72}{12}

\\ \sf\longmapsto x=6

8 0
3 years ago
5/6=x-10/3x+6 solution?
Ivan

Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{x =  - 10}}}}}

Step-by-step explanation:

\sf{ \frac{5}{6}  =  \frac{x - 10}{3x + 6} }

Apply cross product property

⇒\sf{5(3x + 6) = 6( x - 10)}

Distribute 5 through the parentheses

⇒\sf{15x + 30 = 6( x - 10)}

Distribute 6 through the parentheses

⇒\sf{15x + 30 = 6x - 60}

Move 6x to left hand side and change it's sign

⇒\sf{15x - 6x  + 30 =  - 60}

Collect like terms

⇒\sf{9x + 30 =  - 60}

Move 30 to right hand side and change it's sign

⇒\sf{9x =  - 60 - 30}

Calculate

⇒\sf{9x =  - 90}

Divide both sides of the equation by 9

⇒\sf{ \frac{9x}{9}  =   \frac{ - 90}{9} }

Calculate

⇒\sf{x =  - 10}

Hope I helped!

Best regards!!

3 0
3 years ago
The Spotlight on Teaching and Learning at the beginning of this chapter discusses the emphasis in the Common Core State Standard
ivanzaharov [21]
I don't know this question
3 0
3 years ago
PLEASE HELP
ruslelena [56]

Answer:

Rosaria purchased 50 bracelets and 70 necklaces

Step-by-step explanation:

Let the number of bracelets be b and the number of necklaces be n

b + n = 120 •••••(i)

Secondly;

10b + 11n = 1270 ••••(ii)

Total cost of b bracelets at 10 per 1 is 10b

Total cost of n bracelets at 11 per 1 is 11n

Adding both gives 1270

From i, b = 120-n

Substitute this into ii

10(120-n) + 11n = 1270

1200 - 10n + 11n = 1270

n = 1270-1200

n = 70

b = 120-n

b = 120-70

b = 50

4 0
3 years ago
Pls help lol eeeeeeeeee :D :D
Studentka2010 [4]

Answer:

9 units2

Step-by-step explanation:

area of a triangle= lengthxwidth/2

3x6=18/2=9

6 0
3 years ago
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