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MAVERICK [17]
3 years ago
7

2. In a bag, there are 25 marbles, in five different colors and three different sizes. As for colors, there are 5 blue, 10 green

, 2 red, 4 yellow, and 4 white. 2 of the blue marbles, 5 of the green marbles, and 2 of the white marbles are larger than standard. The smaller marbles include 1 blue, 4 green, 2 red, and 1 yellow.
a. What is the probability that you select a blue marble?

b. What is the probability that you select a larger than standard marble?

c. What is the probability that you select a red or small marble?

d. What is the probability that you select a white and large marble?

f. What is the probability that you select a small marble, given that the marble is green?
Mathematics
1 answer:
Delicious77 [7]3 years ago
3 0

Answer:

Step-by-step explanation:

  1. blue:  2 big 1 small
  2. green:  5 big 4 small
  3. red:  0 big 2 small
  4. yellow:  0 big 1 small
  5. white:  2 big  0 small

2 + 1 = 3

5 + 4 = 9

0 + 2 = 2

0 +  = 1

2 + 0 = 2

3 - 5 = 2

2 blue marbles are medium

9 - 10 = 1

1 green marble is medium

2 - 2 = 0

0 red marbles are medium

1 - 4 = 3

3 yellow marbles are medium

2 - 4 = 2

2 white marbles are medium

A: not high

B:

9 big marbles

medium chance

C: really low

D: not a good chance

F: medium chance

hope this helps

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“3 less than the quotient of y and 4”
Bingel [31]

Answer:

Expression:

\dfrac{y}{4}-3

Value where y = 20

2

Step-by-step explanation:

Let's take a look at the sentence:

3 less than the quotient of y and 4

3 less indicates that you will subtract

   - 3

Quotient means the result of division.

\dfrac{y}{4}

So if we combine the two, it says 3 less than the quotient so we subtract 3 from the quotient:

\dfrac{y}{4}-3

So if y = 20, we just substitute the y with 20

\dfrac{y}{4}-3

\dfrac{20}{4}-3

5-3=2

8 0
3 years ago
A world record was set for the men’s 100-m dash in the 2008 Olympic Games in Beijing by Usain Bolt of Jamaica. Bolt "coasted" ac
Andrei [34K]

Answer:

a) v = 12.21m/s

a = 4.07 m/s²

b)v = 11.24m/s

a =  3.75 m/s²

Step-by-step explanation:

a) Dividing the moviment into two parts:

I - With acceleration

v = v₀ + at

s = s₀ + v₀t + at²/2

  • v₀ = 0
  • s₀ = 0
  • a = ?
  • v = ?
  • t = 3s
  • s = x

v = v₀ + at

v = 3a ⇒ a = v/3

s = s₀ + v₀t + at²/2

x = v/3.3²/2

x = 3v/2

II - Uniform

s = s₀ + vt

s = 100

s₀ = x

v = v

t = 9.69 - 3 = 6.69s

s = s₀ + vt

100 = x + v*6.69

100 = x + 6.69v

As x = 3v/2

100 = 3v/2 + 6.69v

100 = 1.5v + 6.69v

100 = 8.19v

v = 12.21m/s

a = v/3 = 4.07 m/s²

b) Dividing the moviment into two parts:

I - With acceleration

v = v₀ + at

s = s₀ + v₀t + at²/2

  • v₀ = 0
  • s₀ = 0
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  • t = 3s
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v = v₀ + at

v = 3a ⇒ a = v/3

s = s₀ + v₀t + at²/2

x = v/3.3²/2

x = 3v/2

II - Uniform

s = s₀ + vt

s = 200

s₀ = x

v = v

t = 19.30 - 3 = 16.30s

s = s₀ + vt

200 = x + v*16.3

100 = x + 16.3v

As x = 3v/2

200 = 3v/2 + 16.3v

200 = 1.5v + 16.3v

200 = 17.8v

v = 11.24m/s

a = v/3 = 3.75 m/s²

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Answer:

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Answer:

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