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m_a_m_a [10]
3 years ago
6

there are only blue, yellow and green cubes in a bag. there are three times as many blue cubes than yellow cubes and five times

as many green cubes then blue cubes. what is the chance that Sarah will get the yellow cube in its simplest form.
Mathematics
2 answers:
Sophie [7]3 years ago
8 0

Answer:

Do you have options to choose from

Paha777 [63]3 years ago
6 0

Answer: 1/11

Step-by-step explanation:

Let x be no. of yellow cubes.

Blue = 2x

Green = 4 x 2x = 8x

Total cubes = x + 2x + 8x = 11x

P(yellow) = x / 11x = 1/11

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I need help on these please ! only 27, 29, 31,
muminat

27 is 6

29 is 70

31 is 60

those are all of the answers.

5 0
3 years ago
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In the equation y = 39x + 50represents the number of people at a holiday dinner and y represents the total cost of
kkurt [141]

Answer:

The correct answer is - 12.

Step-by-step explanation:

Given:

Total number of people = y = 39x+50

Total amount spent y = 518

Solution:

The equation for the number of people who attended the dinner

y = 39x+50

The cost of dinner is equally divided by number of people =

then, 518 = y

placing value, 518 = 39x+50

x = (518-50)/39

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Copland competes in 27 swimming events this season. He wins either first place or second place in each event. Copland has 3 more
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3 0
3 years ago
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Easy I am just not sure on how to solve it please give answer and how I would solve it
Elina [12.6K]

You want to compare the square root of 55 using "mental math". Start off by choosing two perfect squares that you can think of that are close to 55.

If you don't know perfect squares then start with the number 2 and multiply it by itself. 2 times 2 equals 4, so 4 is a perfect square.

Take the number 3, multiply it by itself, and so on. Do this for all the numbers until you find two perfect squares that are close to 55.

The two perfect squares closest to 55 are the square roots of 49 and 64. Find the square root of these numbers.

√49 = 7

√64 = 8

Calculate how far 55 is from 49 and 64. 55 is 6 digits away from 49 and 9 digits away from 64.

This means the square root of 55 will be closer to the square root of 49; 7. Since we know that it will be closer to 7, you can put the less than sign for your answer.

√55 < 7.7

(The actual square root of 55 is ~7.4, so we were correct in determining the answer without using a calculator!)

6 0
3 years ago
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