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Harrizon [31]
3 years ago
11

Can anyone solve this?

Mathematics
1 answer:
Elis [28]3 years ago
3 0

Answer:

X = 4

Y = 30

i think.

Step-by-step explanation:

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According to police sources, a car with a certain protection system will be recovered 87% of the time. Find the probability that
WITCHER [35]

Answer: 0.01145

Step-by-step explanation:

We use Binomial distribution , where the probability of getting x successes in n trial is given by :-

P(x)=^nC_xp^x(1-p)^{n-x} , p = probability of getting each success in each trial.

As per given

The proportion that a car with a certain protection system will be recovered= p=0.87

n= 8

Let x be the number of cars will be recovered.

Then, the probability that 4 of 8 stolen cars will be recovered:

P(X=4)=^8C_4(0.87)^4(1-0.87)^{8-4}

=\dfrac{8!}{4!(8-4)!}(0.87)^4(0.13)^4\\\\= 70(0.57289761)(0.00028561)\\\\=0.0114537700474\approx0.01145

Hence, the required probability is 0.01145.

5 0
3 years ago
Write the equation of the line in standard form <br><br> 4xy + 2y = 9
padilas [110]

Answer: I think the answer is the same thing I can’t show a Step-by-step explanation because Math-way requires a premium to show a step-by-step explanation, anyway the answer is 4xy + 2y = 9, I’m sorry about that. :(

Step-by-step explanation: Well anyway, The standard form of a linear equation is Ax+By=C.

6 0
3 years ago
Plis reply fast and get brainless
insens350 [35]

Answer:

number 1 - 2 is bigger ----- Number 2 - 1 is bigger ------ Number three - 5 is bigger

Step-by-step explanation:

7 0
3 years ago
Plz tell me the aswer and how you worked it out. A tree grows to a height of 13.75m over 5 1/2 years. What is the average annual
marin [14]
1. Take your 13.75 and 5 1/2 and put it into a dividing table 
           _______
     5.5 I13.75               

                              you need to get your decimal out of deviser (5.5) will now be (55) because you moved the decimal over there you also need to move the decimal that is on the inside to and it will be (137.5)

2. When you divide you would get 2.5 

3. Now you would know how much the tree grew over the 5 1/2 years.

ANSWER:  2.5m a year!

Hope this helped! 

:)
4 0
3 years ago
In a right triangle, the acute angles measure 2x+50 and 3x degrees
xenn [34]
2x+50 + 3x= 90 degrees
5x +50 = 90
5x =40
x=8

Angle1= 2(8) +50= 66
Angle2= 3(8)=24

66+24+90= 180
6 0
3 years ago
Read 2 more answers
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