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Delicious77 [7]
3 years ago
13

Có 2 xạ thủ cùng bắn vào một con thú, mỗi người bắn một viên đạn. Xác suất bắn trúng đích của xạ thủ thứ nhất và xạ thủ thứ hai

lần lượt là 0,7 và 0,6. Nếu bị trúng một viên đạn thì xác suất con thú bị tiêu diệt là 0,8, còn nếu trúng hai viên đạn thì con thú chắc chắn bị tiêu diệt. Tính xác suất để con thú bị tiêu diệt.
Mathematics
1 answer:
antiseptic1488 [7]3 years ago
6 0

Answer: Nooo

Step-by-step explanation:

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M(x)=x(x+6)<br> p(x)=x(x+3)²-9<br><br> Show that m(x) and p(x) are equivalent
mamaluj [8]

Answer:

m=x+6

Step-by-step explanation:

Let's solve for m.

mx=x(x+6)

Step 1: Divide both sides by x.

2x/x=    x²+6x/x

m=x+6

Hope this helps :)

PLS BRAINLIEST

5 0
2 years ago
Give two integers greater than -8 but less than -4
Lelechka [254]

Answer:

-7 and -6 #markasbrainliest

8 0
3 years ago
Read 2 more answers
HELP ASAP 20 points Question 12 Multiple Choice Worth 1 points)
ryzh [129]

Answer:

<h2>x = 61.6°</h2>

Step-by-step explanation:

To find the angle of depression we use cosine

cos∅ = adjacent / hypotenuse

37.4 is the hypotenuse

17.8 is the adjacent

\cos(x)  =  \frac{17.8}{37.4}  \\  \\ x =   { \cos( }^{ - 1}  \frac{17.8}{37.4} ) \\  \\ x = 61.6

Hope this helps you

4 0
3 years ago
Calculate the sales tax:<br> 10% of 25.75
ivanzaharov [21]

Answer: 103/40, or 2 23/40 or, 2.575

Step-by-step explanation:

5 0
2 years ago
(THIS IS A TEST I NEED HELP)
Leya [2.2K]

Answer:

Option (B)

Step-by-step explanation:

Length of PR = 4

RS = 4

QS = 4

For the length of PT,

PT² = RT² + PR² [Since, PT is the diagonal of rectangle PRT]

PT² = QS² + PR² [Since, RT ≅ QS]

PT² = 4² + 7²

PT² = 16 + 49

PT² = 65

Now for the length of PQ,

PQ² = QT² + PT²

PQ² = RS² + PT² [Since, QT ≅ RS]

PQ² = 4² + 65

PQ² = 16 + 65

PQ = √81

PQ = 9

Therefore, length of diagonal PQ is 9 units.

Option (B) will be the answer.

4 0
3 years ago
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