3 years ago

Here is a tree diagram showing the sample space for two independent events. What is the probability of getting A and 2?

Mathematics

1 answer:

Nataly_w [17]3 years ago

5 0

bruh sakura can you actually stab the rinnegan

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Help solve equations by completing the square

Allushta [10]

$x^2+10x+22=13\\x^2+10x+22-13=0\\x^2+10x+9=0\\$

Now completing the square.

$(x^2+10x)+9=0\\(x^2+10x+25)+9-25=0\\(x+5)^2-16=0\\(x+5)^2=16$

(x+5)² = 16 is the rewritten equation... For first question btw.

For the solutions to the equation -

$x+5=\sqrt{16},-\sqrt{16} \\x+5=4,-4\\x=4-5,-4-5\\x=-1,-9$

x = -1,-9 is the solution, for the second question.

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3 years ago

Write an addition fact that will give the same sum as 8+7

ahrayia [7]

You could do 5+10 or 12+3

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3 years ago

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(1/3)^3 = ____?<br><br> Im just working in school cheating on khan acad lol

Alexus [3.1K]

Answer:

Step-by-step explanation:

The answer is 1/27

due to

(1/3)^3 = [(1)^3]/[3^3] =1/27

Best regards

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3 years ago

Find the perimeter and area , Please help me on this will give brainlist

Ronch [10]

Answer:

Area: x^2+x-6

Perimeter: 4x+2

Step-by-step explanation:

Area: multiply x+3 and x-2 and combine the like terms

Perimeter: multiply the length and width by two, then combine the like terms.

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3 years ago

Help me please *for brainliest*!!!

Amiraneli [1.4K]

B. 18.37

1990 - 1960 = 30 = t

Plug in the variable "t" to the equation and solve.

P (t) = 18.37

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3 years ago