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SCORPION-xisa [38]
3 years ago
12

A marble is selected at random from a jar containing 10 red​ marbles, 20 yellow​ marbles, and 70 green marbles. Find the theoret

ical probability that it is either red or green.
Mathematics
1 answer:
amm18123 years ago
6 0

Answer:

Is there anymore question?

Step-by-step explanation:

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Look at all the measurements in model 4. when a number in scientific notation is changed to expanded notation, are any of the ad
zheka24 [161]
Yes, the added zeros are significant. Lets say you are converting 1.23 x 10 to the power of 4. The answer would be 12,300 in which case, if you took away the zeros, the number would be 123, which is an incorrect answer.

Hope this makes sense and helps!
4 0
4 years ago
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After Megan walked 5 miles her activity tracker had counted 9780 steps David activity calendar had counted 11,928 steps after he
Alex

Answer:

David 1,988-1,956+32

It is David because when you find the unite ratio you get 1,988 for David and 1,956 for Megan.

4 0
3 years ago
Solve each of the following equations for xx using the same technique as was used in the Opening Exercise.
Brrunno [24]

Answer:

The value of the x is 1/9.  

Step-by-step explanation:

Data provided in the question is:

3^2/x=81

To find out:-        

the value of x.

Solution for the equation:-    

3^2/x = 81\\9/x=81\\9/81=x\\1/9=x\\

On solving the given question or equation by using  mathematics of algebra we find out the value of x to be 1/9.

7 0
3 years ago
First discovered more than 30 years ago, Lina’s sunbird, a four-and-a-half-inch animal found in the Philippines and that resembl
Arlecino [84]

Answer: the correct one is C) found in the Philippines and resembling

Step-by-step explanation:

To maintain parallelism, you must list items with equal grammatical structure.

"Found" is just an adjective that modifies the animal, and so is "resembling." Sure, they don't sound the same, but they're both adjectives.  

4 0
4 years ago
Help with me with this please!!!!<br><br> Find the unknown side length, x
Nadya [2.5K]

Answer:

B

Step-by-step explanation:

5^2 - 3^2 = 4^2 So you know that 4 is the height. 4^2 + 7^2 is 65. Find the square root. Square root of 65.

4 0
3 years ago
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