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2 years ago

11. ¿Es mayor 1/4 que 0.50? Justifica tu pregunta

Mathematics

1 answer:

musickatia [10]2 years ago

3 0

Eh yo creo que no, si estoy mal los siento

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Which number line shows the solution to 5 + (−5)?

alex41 [277]

Answer:

first one is A and the second one is B.

Step-by-step explanation:

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2 years ago

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From experience, an airline knows that only 80% of the passengers booked for a certain flight actually show up. If 9 passengers

Olenka [21]

Answer: 0.74

Step-by-step explanation:

Given : The probability that the passengers booked for a certain flight actually show up : p=0.80

The number of passengers are randomly selected : n= 9

Binomial probability formula to find the probability of getting success in x trial :-

$P(x)=^nC_xp^x(1-p)^{n-x}$

Then , the probability that more than 6 of them show up will be :-

$P(x>6)=P(7)+P(8)+P(9)\\\\=^9C_7(0.8)^7(0.2)^{2}+^9C_8(0.8)^8(0.2)^{1}+^9C_9(0.8)^9(0.2)^{0}\\\\=\dfrac{9!}{7!(9-7)!}(0.8)^7(0.2)^{2}+(9)(0.8)^8(0.2)+(1)(0.8)^9\approx0.3020+0.3020+0.1342=0.7382\approx0.74$

Hence, the probability that more than 6 of them show up = 0.74

7 0

3 years ago

choose the equation below that represents the line that passes through the point (−2, −1) and has a slope of 5. (5 points) y − 1

Rus_ich [418]

Equation of a line;
y=mx+c
m=5
y=5x+c
Replacing for x and y using point (-2, -1)
-1=5(-2)+c
-1=-10+c
c=-1+10
c=9
y=5x+9

4 0

3 years ago

In the figure, AngleRQS Is-congruent-to AngleQLK. 3 lines are shown. Lines S P and K N are parallel. Line R M intersects line S

stepan [7]

Answer:

x=108

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

m∠RQS≅m∠QLK -----> by corresponding angles

m∠KLM+m∠QLK=180° -----> by supplementary angles (consecutive interior angles)

we have that

m∠RQS=x° ----> given problem

m∠QLX=x°

m∠KLM=(x-36)° ----> given problem

substitute

$(x-36)\°+x\°=180\°\\2x=180+36\\2x=216\\x=108$

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3 years ago

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Question 4 of 15

melisa1 [442]

“C” Os the correct answer

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3 years ago

11. ¿Es mayor 1/4 que 0.50? Justifica tu pregunta​

11. ¿Es mayor 1/4 que 0.50? Justifica tu pregunta