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2 years ago

Please help easy stuff...... (2 questions)

Mathematics

2 answers:

garik1379 [7]2 years ago

6 0

Your answer is: -5

I did this the opposite way:

h(-2)=3(-2)+1

h(-2)=-6+1

h(-2)=-5.

Viktor [21]2 years ago

5 0

For the first question it's - 5 the second question is 0

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Answer:

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Step-by-step explanation:

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2 years ago

On each turn of the knob, a gumball machine is equally likely to dispense a red, yellow, green or blue gumball, independent from

laiz [17]

Answer:

$P(R_2Y_2C_2B_2) = 0.03845$

Step-by-step explanation:

Given

$Balls = 4$ --- [R, Y, C and B]

$Turns = 8$

Required

$P(R_2Y_2C_2B_2)$

Since each of the 4 balls are equally likely, their probability is:

$P(R) = P(Y) = P(C) = P(B) = \frac{1}{4}$

From $P(R_2Y_2C_2B_2)$ , we have:

$R = Y = C = B = 2$

$Total = 8$

So, the total arrangement of the 8 balls is:

$Arrangement = \frac{8!}{2!2!2!2!}$

$Arrangement = \frac{40320}{2*2*2*2}$

$Arrangement = \frac{40320}{16}$

$Arrangement = 2520$

The individual probability of each ball, when put together is

$Probability = P(R)^2 * P(Y)^2 * P(C)^2 * P(B)^2$

$Probability = (1/4)^2 *(1/4)^2 *(1/4)^2 *(1/4)^2$

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Lastly:

$P(R_2Y_2C_2B_2) = Arrangement * Probability$

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$P(R_2Y_2C_2B_2) = \frac{2520 }{65536}$

$P(R_2Y_2C_2B_2) = 0.03845$

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2 years ago

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babunello [35]

Answer:

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- Angles on a straight line add up to 180° always

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2 years ago

Read 2 more answers

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Answer:

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Step-by-step explanation:

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Divide both sides by two to get: 5=m

Hope this helps! (^-^)

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Answer:

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