Two cards are drawn from a deck of 52 determine whether the events are independent or dependent.

1 answer:

6 0

If the first card is replaced before the second card is drawn, then both of them are independent of each other. However, if the first card isn't replaced, the first event is independent and the second one is dependent

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Which one is it? because idk

Natasha2012 [34]

Answer:

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Step-by-step explanation:

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4 years ago

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im failing lol help The areas of the squares adjacent to two sides of a right triangle are 29.25 units^2 and 13 units ^2

Softa [21]

Answer and Step-by-step explanation:

To find the length of z, we need the lengths of the other 2 sides first. Simply take the square root of both areas and that will be your sides.

$\sqrt{13}$ and $\sqrt{29.25}$

Now find z, the hypotenuse.

$(\sqrt{13}) ^2 + (\sqrt{29.25} )^2 =z^2\\\\13 + 29.25 = z^2\\\\42.25 = z^2\\\\\sqrt{42.25} = z\\\\6.5 = z$

6.5 is the answer.

#teamtrees #PAW (Plant And Water)

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3 years ago

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the area of a window is 40 square feet. the length is the square root of 20 feet. what is the width of the window

Irina18 [472]

----------------------------------------------------
Given information
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Area = 40ft²
Length = √20 ft

----------------------------------------------------
Formula
----------------------------------------------------
Area = Length x Width

----------------------------------------------------
Find Width
----------------------------------------------------
40 = √20 x width
Width = 40 ÷ √20
Width = 40 ÷ 2√5
Width = 20 ÷ √5
$Width = \frac{20}{ \sqrt{5} }$

$Answer: \boxed {Width = \frac{20}{ \sqrt{5} }}$

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4 years ago

Ben is 12 years older than Ishaan. Ben and Ishaan first met two years ago. Three years ago, Ben was 4

mel-nik [20]

Ishaan is 7 and Ben is 19

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3 years ago

A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is

skelet666 [1.2K]

So let's call x the amount of ounces in Solution A
So then the equation would look something like this.
0.65(x) + 0.9(130-x) = 0.7(130)
To make it easier, multiply both sides by 100:
65(x) + 90(130-x) = 70(130)
multiply.
65x + 11700 - 90x = 9100
Make sure that x is on one side and the numbers are on the other:
-25x = -2600
The negatives cancel out:
25x = 2600
Solve for x:
x = 104.
So then Solution A has 104 ounces, and Solution B has 130 - 104 ounces, which is 26 ounces.
If you have any questions, just ask.

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3 years ago