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Semmy [17]
3 years ago
9

If the coin removed is blue, what is the probability of drawing a red coin after three red coins are put in the bag to replace t

he blue one? The probability of drawing a red coin after three red coins are put in the bag to replace the blue one that has been removed is
Mathematics
1 answer:
LekaFEV [45]3 years ago
3 0
This question cannot be answered with the details provided. How many coins are there to start with? Probability works by taking favorable outcomes divided by total outcomes. Without the total number of either, any question like this is impossible to solve.
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The year the Greek city of Helike disappeared is -1/5 times the year the US civil war ended. Let w represent the year the war en
Lostsunrise [7]

Answer:

ok so

-1/5x=w

w=1865

so -1/5x=1865

x=-9325

Hope This Helps!!!

5 0
2 years ago
Read 2 more answers
Riverside Elementary School is holding a school-wide election to choose a school color. Five-eighths of the votes were for blue,
Mnenie [13.5K]

Answer:

Step-by-step explanation:

Let the total number of votes to choose a color = x

Number of votes for blue = \frac{5}{8}\times x

Remaining votes = x - \frac{5}{8}\times x

                            = \frac{8x-5x}{8}\times x

                            = \frac{3}{8}\times x

Votes for green = \frac{5}{9}\times (\text{Remaining votes})}

                          = \frac{5}{9}\times \frac{3x}{8}

                          = \frac{5}{24}\times x

Finally remaining votes = \frac{3x}{8}-\frac{5x}{24}

                                       = \frac{9x-5x}{24}

                                       = \frac{4x}{24}

                                       = \frac{x}{6}

Since these votes are for red therefore,

\frac{x}{6} = 48

x = 48×6

  = 288

a) Votes for blue are \frac{5x}{8}

Therefore, exact number for blue votes = \frac{5\times 288}{8}

= 5×36

= 180

b). Votes for green = \frac{5x}{24}

= \frac{5\times 288}{24}

= 60

c). Since 25 students were absent on that day of the vote, number of students at Riverside Elementary School = 288 + 25

= 313

d). Since seven tenths of the votes for blue were made by the girls.

Therefore, number of girls voted for blue = \frac{7}{10}\times 180

= 7×18

= 126

Since total votes made = 288

Therefore, half of the votes made = \frac{288}{2}

= 144

Now it's clear that number of votes made by girls is less than half of all the votes.

e). 126 girls voted for blue.

5 0
3 years ago
PLEASE EXPLAIN!
stepladder [879]

Answer:

15

Step-by-step explanation:

5(2)(3)-2(2)+13+7(2)-6(2)(3)-4(2)+(2)(3)

30-4+13+14-36-8+6

15

6 0
3 years ago
What is the least common denominator of 4/5 and 1/10
antiseptic1488 [7]
The least common denominator for the question you have supplied me with is 10. The least common multiple of the denominators, 5 and 10, is 10, making the LCD 10.
4 0
3 years ago
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A liter is equal to 100 centiliters.Is a centiliter a greater measure than a milliliter. Explain
borishaifa [10]
Yes. It takes more milliliters than centiliters to fill a liter.
6 0
3 years ago
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