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EleoNora [17]
3 years ago
10

A marble is selected at random from a jar containing 30 red​ marbles, 10 yellow​ marbles, and 60 green marbles. Find the theoret

ical probability that it is either red or green.
Mathematics
1 answer:
ra1l [238]3 years ago
6 0

there is a 90% chance its a red or green or a 90/100 chance

Step-by-step explanation:

first you need to count your whole which would be the sum of adding all the marbles which is 100 then add the red and green that's 90 lastly you make a fraction 90/100 (simple the fraction if asked )

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3 years ago
Please help me with this question it is in the picture
alexdok [17]

Answer:

complementary angles

Step-by-step explanation:

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5 0
3 years ago
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Answer:

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2 years ago
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Consider the figure below. Line FG is parallel to line JK.
Svet_ta [14]

Answer:

A. a = 10

B. m<FNT = 120°

C. m<KTU = 60°

Step-by-step explanation:

A. (7a + 50)° and (14a - 20)° are corresponding angles. Therefore:

(7a + 50)° = (14a - 20)°

Use this equation to find the value of a

7a + 50 = 14a - 20

Combine like terms

7a - 14a = - 50 - 20

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Divide both sides by -7

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B. m<FNT = (14a - 20)° (alternate interior angles are congruent)

Plug in the value of a

m<FNT = 14(10) - 20

m<FNT = 140 - 20

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C. m<KTU + (14a - 20)° = 180° (linear pair)

Plug in the value of a

m<KTU + 14(10) - 20 = 180

m<KTU + 120 = 180

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m<KTU = 60°

6 0
3 years ago
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Makovka662 [10]

-z=14-x+5y

z=x-5y-14

Solved

4 0
3 years ago
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