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VladimirAG [237]
3 years ago
12

A bag has 2 green marbles, 3 red marbles, and 3 yellow marbles. What is the probabilty that you pick a yellow marble, do not rep

lace it, and pick another yellow marble?
3/28
1/28
9/56
1/8
Mathematics
2 answers:
attashe74 [19]3 years ago
6 0

Answer:

3/28

Step-by-step explanation:

grandymaker [24]3 years ago
5 0
3/8 because there are 3 yellow but 8 total colors
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The price of a jacket was reduced from $80 to $64. By what percentage was the price of the jacket reduced?
aleksley [76]

Answer:

The asnwer is 20%

Step-by-step explanation:

80 times .20 is 16, 80-16 is 64, hoipe i helped!

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The histogram shows the weekly rates charged by different daycares for a 2-year-old child.
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Which expression is not equivalent to the other three?
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3 years ago
What basic trigonometric identity would you use to verify that sinx cosx tanx=1-cos^2x
andre [41]

Answer:

sin^2x+cos^2x=1 is used to prove the given equation.

Step-by-step explanation:

We have given an equation:

sinx\cdot cosx\cdot tanx=1-cos^2x

We will consider right hand side first

tan x can be written as:

tanx=\frac{sinx}{cosx}

So, on substituting tan x in the left hand side of the given equation we get:

sinx\cdot cosx\cdot \frac{sinx}{cosx}

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sin^2x

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Hence, right hand side is equal to sin^2x.


5 0
2 years ago
Read 2 more answers
Comparing Order of Magnitude A biologist estimated the number of cells in a culture sample as 1.3 × 102. One week later, he look
Assoli18 [71]

Answer:

3 * 10^3 in scientific notation.

3,000 in standard notation.

Step-by-step explanation:

We divide:

3.9 *10^5 / 1.3 * 10^2

= ( 3.9/1.3) * (10^5 / 10^2)

= 3 * 10(5-2)

= 3 * 10^3.

This  equals 3 * 1,000 = 3000.

4 0
3 years ago
Read 2 more answers
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