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2 years ago

A BAG HAS 2 YELLOW CUBES 3 BLUE CUBES AND 1 YELLOW CUBE. WHAT WOULD BE THE PROBABILITY TO PULL OUT YELLOW.

Mathematics

2 answers:

Blizzard [7]2 years ago

7 0

Answer:

1/3

Step-by-step explanation:

The total of the cubes is 6 right? So, there are 2 yellow cubes. So how many aren't yellow cubes stay out of the equation. So the unsimplified answer is 2/6.

Lapatulllka [165]2 years ago

5 0

Answer:

1/2 or 0.5 or 50%

Step-by-step explanation:

3 + 3 = 6

3/6 = 1/2

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13 1/10-7 9/10 i need help

a_sh-v [17]

Answer:

52/ 10 = 5 2/10 or 5 1/5

Step-by-step explanation:

first turn the mixed fractions into improper fraction

13 1/10= 131/10

7 9/10= 79/10

since the two fractions already have a common denominator just subtract

131 - 79 = 52

52/ 10 = 5 2/10 or 5 1/5

4 0

2 years ago

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An article claims that 12% of trees are infested by a bark beetle. A random sample of 1,000 trees were tested for traces of the

inna [77]

Answer: 0.6812

Step-by-step explanation:

Let p be the population proportion of trees are infested by a bark beetle.

As per given: p= 12%= 0.12

Sample size : n= 1000

Number of trees affected in sample = 1000

Sample proportion of trees are infested by a bark beetle. = $\hat{p}=\dfrac{127}{1000}=0.127$

Now, the z-test statistic : $z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}$

So, $z=\dfrac{0.127-0.12}{\sqrt{\dfrac{0.12\times 0.88}{1000}}}$

$z=\dfrac{0.007}{\sqrt{\dfrac{0.1056}{1000}}}\\\\\\=\dfrac{0.007}{\sqrt{0.0001056}}\\\\\\=\dfrac{0.007}{0.010276}\approx0.6812$

Hence, the value of the z-test statistic = 0.6812 .

7 0

3 years ago

Use the meaning of cube roots to show how to find an exact solution to the equation Ya + 2 =

kodGreya [7K]

Answer: Coordinate plane, x, negative 2 to 2 by 1, y, negative 10

Step-by-step explanation: don't know just trying to help

3 0

2 years ago

A container holds 8 gallons of water. If 4/5 of a gallon is added to the container each hour, how many hours would it take to fi

son4ous [18]

1 hour = 4/5 gallon
8 gallon ÷ 4/5
= 8/1 × 5/4
= 40/4
= 10

the answer is A

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2 years ago

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If x = 10 and the area of the rectangle is 120, what is the length of the other side?

sweet [91]

Answer:

Step-by-step explanation:

to find area you do length times width. if we have one side we have to find what 120/10 is. that is 12. 10 x 12 is 120.

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2 years ago