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zaharov [31]
3 years ago
10

Make sure to show your work.

Mathematics
2 answers:
amm18123 years ago
8 0

(1,-3)

Step-by-step explanation:

6x-9= -3x ---} -9=-9x ---} -9/-9= x ---} 1=x

6•1-9= -3•1 ---} 6-9= -3 ---} -3= -3 ---} -3=y

andrew-mc [135]3 years ago
5 0

Answer:

( 1, -3 )

Step-by-step explanation:

6x - 9 = y \\ y =  - 3x \\  \\ 6x - 9 =  - 3x \\ 6x + 3x = 9 \\ 9x = 9 \\ x = 1 \\  \\ y =  - 3x \\ y =  - 3(1) \\ y =  - 3

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Step-by-step explanation:

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3 years ago
A bag contains 20 slips of paper Individually numbered. If a slip of paper and a letter in the word PENNSYLVANIA is chosen at ra
Soloha48 [4]

Answer:

P(M4\ n\ V) = 2.083\%

Step-by-step explanation:

Given

Paper = 20 slips

Word: PENNSYLVANIA

Required

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The sample size of the 20 slips is:

n(S) = 20

The outcomes of multiples of 4 is:

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The outcome of V is:

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So, the required probability is: P(Multiple of 4 and V)

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4 0
3 years ago
The diagram below shows a shaded parallelogram drawn inside a rectangle. Using Pythagoras, find the hypotenuse of triangle A and
Julli [10]

Answer: 5.9 cm for both triangles.

Step-by-step explanation:

Hi, since the situation forms 2 right triangles we have to apply the Pythagorean Theorem:  

c^2 = a^2 + b^2  

Where c is the hypotenuse of a triangle (the longest side of the triangle) and a and b are the other sides.  

Replacing with the values given:  

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c = 5.9 cm

Since both triangles are identical ( same side lengths) the hypotenuse is the same for both, 5.9 cm.

Feel free to ask for more if needed or if you did not understand something.  

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Answer:

Option B is tge right answer.

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