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Veseljchak [2.6K]
3 years ago
14

A jar contains 44 red marbles numbered 1 to 44 and 50 blue marbles numbered 1 to 50. A marble is drawn at random from the jar. F

ind the probability of the given event. Please enter reduced fractions.
Mathematics
1 answer:
Annette [7]3 years ago
8 0

Answer:

Step-by-step explanation:

Let's say P(R) is probability of red and P(B) is probability of blue and we have total 94 marbles (44reb +50 blue)

If A marble is drawn at random from the jar, we have 2 senarios:

  • 1: it is red
  • 2: it is blue

So, we can find:

- P(R) = 44/94 = 22/47

- P(B) = 50/94 = 25/47

Hope it will find you well

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What is the answer to this solution. -7r−4≥ 4r+2
tia_tia [17]

Answer:

The solution is:

-7r-4\ge \:\:4r+2\quad \::\quad \:\begin{bmatrix}\mathrm{Solution:}\:&\:r\le \:\:-\frac{6}{11}\:\\ \:\:\mathrm{Decimal:}&\:r\le \:\:-0.54545\dots \:\\ \:\:\mathrm{Interval\:Notation:}&\:(-\infty \:\:,\:-\frac{6}{11}]\end{bmatrix}

Please check the attached line graph below.

Step-by-step explanation:

Given the expression

-7r-4\ge \:4r+2

Add 4 to both sides

-7r-4+4\ge \:4r+2+4

Simplify

-7r\ge \:4r+6

Subtract 4r from both sides

-7r-4r\ge \:4r+6-4r

Simplify

-11r\ge \:6

Multiply both sides by -1 (reverses the inequality)

\left(-11r\right)\left(-1\right)\le \:6\left(-1\right)

Simplify

11r\le \:-6

Divide both sides by 11

\frac{11r}{11}\le \frac{-6}{11}

Simplify

r\le \:-\frac{6}{11}

Therefore, the solution is:

-7r-4\ge \:\:4r+2\quad \::\quad \:\begin{bmatrix}\mathrm{Solution:}\:&\:r\le \:\:-\frac{6}{11}\:\\ \:\:\mathrm{Decimal:}&\:r\le \:\:-0.54545\dots \:\\ \:\:\mathrm{Interval\:Notation:}&\:(-\infty \:\:,\:-\frac{6}{11}]\end{bmatrix}

Please check the attached line graph below.

7 0
2 years ago
Help me please thank you
Nookie1986 [14]

Answer: exponential

Step-by-step explanation:

its exponential

count the squares in each one

first is 2 squares

second is 4 squares

third is 8 squares

this is going up exponentially because the first one would be 2^1 the second would be 2^2 and the third would be 2^3

8 0
3 years ago
To what does the two-source rule refer?
Alla [95]

Step-by-step explanation:

p(A)={Ø,{2}{3},{2,3}

7 0
3 years ago
Two months later,The Jensen family takes their moms sedan on a different trip.When she fills the tank,Sally’s mom records the mi
riadik2000 [5.3K]

Answer:

18.04 gallons

Step-by-step explanation:

The cost of filling the empty tank of the vehicle is $71.98.  

If each gallon of gas costs $3.99, then we have to find the volume of the sedan's tank in gallons.

Now, $3.99 is the cost of 1 gallon of gas.

Hence, $71.98 will be the cost of \frac{71.98}{3.99} = 18.04 gallons.

Therefore, the volume of the tank is 18.04 gallons. (Answer)

8 0
3 years ago
A large spherical balloon is being deflated. When the radius of the balloon decreases from 10 ft to 5 ft, approximately how much
Xelga [282]
Volume of a sphere: V=(4/3)πr³
V1=(4/3)π10³
V2=(4/3)π5³
difference: (4/3)π10³-(4/3)π5³=(4/3)π875=3665
the answer is B.<span />
5 0
3 years ago
Read 2 more answers
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