2 years ago

PLEASE HELP! 20 POINTS

Mathematics

1 answer:

OLEGan [10]2 years ago

7 0

Answer:

1,215 i think please be right

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What operation is used to make a prediction using a probability

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Answer:

Division

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Certain Outcomes/Total Outcomes = Probability

The operation used is division

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The line is 4 units in length.

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27^x = 9^x − 4 Question 1 options: x = 8 x = 4 x = −4 x = −8

Mariulka [41]

Answer:

x = -8

Step-by-step explanation:

Given the equation:

$27^x=9^{x-4}$

Note that

$27=3^3\\ \\9=3^2,$

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Rewrite the equation as

$3^{3x}=3^{2(x-4)},$

then

$3x=2(x-4)\\ \\3x=2x-8\\ \\3x-2x=-8\\ \\x=-8$

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3 years ago

The measure of an angle is 167°. What is the measure of its supplementary angle?

Anna007 [38]

Answer:

x=13

Step-by-step explanation:

Supplementary angles add to 180 degrees

x+167 = 180

Subtract 167 from each side

x+167-167= 180-167

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