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2 years ago

2 divided by 9/10 (i know this is simple but I need help ASAP)

Mathematics

2 answers:

tigry1 [53]2 years ago

7 0

Answer:

2.22

Step-by-step explanation:

____ [38]2 years ago

5 0

Answer:

the answer is 2.22

Step-by-step explanation:

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Christine Wong has asked Dave and Mike to help her move into a new apartment on Sunday morning. She has asked them both in case

olga nikolaevna [1]

Answer:

(a) The probability that both Dave and Mike will show up is 0.25.

(b) The probability that at least one of them will show up is 0.75.

Step-by-step explanation:

Denote the events as follows:

D = Dave will show up.

M = Mike will show up.

Given:

$P(D^{c})=0.55\\P(M^{c})=0.45$

It is provided that the events of Dave of Mike showing up are independent of each other.

(a)

Compute the probability that both Dave and Mike will show up as follows:

$P(D\cap M)=P(D)\times P (M)\\=[1-P(D^{c})]\times [1-P(M^{c})]\\=[1-0.55]\times[1-0.45]\\=0.2475\\\approx0.25$

Thus, the probability that both Dave and Mike will show up is 0.25.

(b)

Compute the probability that at least one of them will show up as follows:

P (At least one of them will show up) = 1 - P (Neither will show up)

$=1-P(D^{c}\cup M^{c})\\=P(D\cup M)\\=P(D)+P(M)-P(D\cap M)\\=[1-P(D^{c})]+[1-P(M^{c})]-P(D\cap M)\\=[1-0.55]+[1-0.45]-0.25\\=0.75$

Thus, the probability that at least one of them will show up is 0.75.

(c)

Compute the probability that neither Dave nor Mike will show up as follows:

$P(D^{c}\cup M^{c})=1-P(D\cup M)\\=1-P(D)-P(M)+P(D\cap M)\\=1-[1-P(D^{c})]-[1-P(M^{c})]+P(D\cap M)\\=1-[1-0.55]-[1-0.45]+0.25\\=0.25$

Thus, the probability that neither Dave nor Mike will show up is 0.25.

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3 years ago

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Which values are the solutions to the polynomial equation? 0 = x2 – 18x + 65

leva [86]

Answer:

If the question is $2x^{2} -18x+65$ then the answer is no real solution. If the question is 2x - 18x + 65 than the answer is -16x+65

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2 years ago

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1. What is 0.078 written in expanded form

ArbitrLikvidat [17]

Answer:

7.8 x $10^{-2}$

Step-by-step explanation:

this is the real answer

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2 years ago

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PLEASE HELP AS SOON AS YOU CAN

Mnenie [13.5K]

Answer:

FOR QUESTION 2

1. Segment addition postulate

2. Substitution

3. Substitution

4. Addition property of equality

5. Division property of equality

6 symmetric property

FOR QUESTION 3

1. given

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3. Substitution

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FOR QUESTION 4

1. Given

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Step-by-step explanation:

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3 years ago

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-9 ÷ ____ =5 (fill the blank)

Alona [7]

Answer:

The answer is -1.8

Step-by-step explanation:

5 x -1.8 = -9 = -9 divided by -1.8 = 5

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2 years ago

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