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Mashcka [7]
3 years ago
15

A box is filled with 9 red crayons, 5 blue crayons, and 8 yellow crayons. A crayon is chosen at random from the box. Find the pr

obability that it is a blue or a yellow crayon. Write your answer as a fraction in simplest form.
Mathematics
1 answer:
Neporo4naja [7]3 years ago
8 0

Answer: 13/22

Step-by-step explanation:

Number of red crayons = 9

Number of blue crayons = 5

Number of yellow crayons = 8

Total number of crayons = 9+5+8 = 22

The probability of selecting either ia blue or a yellow crayon will be:

= 5/22 + 8/22

= 13/22

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NNADVOKAT [17]
It’s -63 all you would be multiple like normal 63 which then you put a negative symbol on front
6 0
2 years ago
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The equation t^3=a^2 shows the relationship between a planet’s orbital period, T, and the planet’s mean distance from the sun, A
ankoles [38]

Answer:

     2√2

Step-by-step explanation:

We can find the relationship of interest by solving the given equation for A, the mean distance.

<h3>Solve for A</h3>

  T^3=A^2\\\\A=\sqrt{T^3}=T\sqrt{T}\qquad\text{take the square root}

<h3>Substitute values</h3>

The mean distance of planet X is found in terms of its period to be ...

  D_x=T_x\sqrt{T_x}

The mean distance of planet Y can be found using the given relation ...

  T_y=2T_x\\\\D_y=T_y\sqrt{T_y}=2T_x\sqrt{2T_x}=(2\sqrt{2})T_x\sqrt{T_x}\\\\D_y=2\sqrt{2}\cdot D_x

The mean distance of planet Y is increased from that of planet X by the factor ...

  2√2

8 0
2 years ago
This is really confusing pls help! :)
stellarik [79]
Number of cubes increases by 3 for each term.

an= 3n+1
4 0
1 year ago
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Pls help me with this i have a 0 in math
Lorico [155]

Answer:

(3−5)(+1)

Step-by-step explanation:

I hope this helps you and please mark me as brainliest

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2 years ago
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Write an inequality to describe the region represented on the number line.
vovangra [49]

Answer:

See explanation

Step-by-step explanation:

The question is incomplete, as the required number line is not included in the question.

A general explanation is as follows:

An open circle means > or <

A closed circle means >= or <=

Take, for instance, the attached number line:

The open dot on -3 means >-3 or <-3

The arrow points to the right direction, means >-3 i.e. greater than -3

Hence, the inequality is:

x > -3

7 0
3 years ago
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