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Snezhnost [94]
3 years ago
15

Write 9x+3y=12 in function notation

Mathematics
1 answer:
KiRa [710]3 years ago
4 0

3y = -9x + 12

y = -3x + 4

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Using what you know about angles and triangles, what is the measure of angle 6?
zvonat [6]
∠4 = 90  (verticallyopposite)
∠2 = 68 (verticallyopposite)

∠6 = ∠2 + ∠4 (exterior angles = sum of opposite angles)

∠6 = 68 + 90 = 158°

Answer: 158°
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HELP ME PLZ<br> ******************
lorasvet [3.4K]

Answer:

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Find the expected value of the winnings from a game that has the following payout probability distribution: Skip Payout ($) 1 2
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Answer:

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Step-by-step explanation:

The expected value of a random variable <em>X</em>, often denoted as E(<em>X</em>), indicates the probability-weighted average of all possible values/events. The general formula of expected value is

\mathrm{E(\textit X \mathrm)} = \displaystyle\sum_{\mathclap{i=1}}^{k} \ X \times P(X) \\ \\ \\ = X_{1} \times P(X_{1}) \ + \ X_{2} \times P(X_{2}) \ + \ X_{3} \times P(X_{3}) + \ \cdots \ + X_{k} \times P(X_{k}).

Therefore, the expected value of the winnings from a game is

\mathrm{E(\textit X \mathrm)} \ = \ 1 \times 0.35 \ + \ 2 \times 0.2 \ + \ 5 \times 0.1 + \ 8 \times 0.2 \ + 10 \times 0.15 \\ \\ = \ 4.35 \ \ (\mathrm{nearest \ hundredth}).

4 0
2 years ago
a recipe calls for 3/8 cups of flour for 8 people, how many cups of flour would be required for a recipe for 128 people?
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6 0
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erica [24]

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x = 2

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\frac{5}{2} - \frac{1}{2}  = \frac{4}{2}

and 4/2 = 2

3 0
3 years ago
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