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babunello [35]
3 years ago
10

[PLEASE HELP BEEN STUCK ON UT FOR HOURS :(] There are three colors of marbles in the bag: red, green, and yellow. If the probabi

lity of getting a red was 2/5 and the probability of getting a green was 1/3, what is the probability (in fraction form) of getting yellow?
Mathematics
1 answer:
Kay [80]3 years ago
6 0

Answer:

=  5 /11

Explanation:

Probability here is the chance of selection out of a total. So, we need to first find the total number of marbles.

P  green  = 3 /11

P  yellow  = 2 /11

P  green or yellow

=  P  green  +  P  yellow

= 3 /11  +  2 /11  =  5 /11

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Please help i have such a low GPA and i have to get it up so i can get into high school 100 points
enyata [817]

Answer:

<em>Well, The volume of the sink shaped like a half sphere is [2000/3] π in^2.</em>

<em />

<em>a) The volume of a cylinder is the area of the base * height</em>

<em />

<em>For this part the cup has a diameter, d, of 4 in and height, h, of 8 in.</em>

<em />

<em>The area of the base is π (d/2)^2 = π (2 in)^2  =  4π in^2.</em>

<em />

<em>The volume of the cuo is 4π in^2 * 8 in = 32π in^3.</em>

<em />

<em>Then the number of cups to take the volume of [2000 / 3] π in^2 is:</em>

<em />

<em>[2000 / 3]π / [32π] = 20.83</em>

<em />

<em>Answer: 21 cups.</em>

<em />

<em>b) For this part the diameter of the cup is 8 in and the height is 8 in</em>

<em />

<em>Then the volume is π (4 in)^2 * 8 in = 128 ⇅ in^3</em>

<em />

<em>And the number of cups needed is [2000π/3] / (128π) = 5.2 </em>

<em />

<em>Answer: 5 cups. </em><em>Good Luck!</em>

<em>From ~Itsbrazts~.</em>

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8 0
2 years ago
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2 years ago
On a bicycle, Miranda rides for 4 hours and is 50 miles from her house. After riding for 6 hours, she is 74 miles away. What is
Vera_Pavlovna [14]
<h2> Miranda's rate is 12 hours per mies.</h2>

Step-by-step explanation:

Given by question,

Miranda began her ride from home merely that she was 50 miles away from home after 4 hours of riding.

To find, Miranda's rate = ?

2 hours later she was 974 miles from home.

∴ 2 hours she rode = 74 miles - 50 miles

Miranda rides 24 miles in 2 hours.

∴ Miranda rides  in 1 hour = \dfrac{24}{2} \dfrac{miles}{hour}

= 12 \dfrac{miles}{hour}

Thus, Miranda's rate is 12 hours per mies.

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