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svp [43]
3 years ago
13

What is the square root of 196?

Mathematics
2 answers:
maks197457 [2]3 years ago
4 0

13 is what I got with the caculator


OLEGan [10]3 years ago
3 0
The square root of 196 is 14
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Flip 10000 fair coins. You are offered a 1-1 bet that the sum is less than 5000. You can bet 1, 2, ..., 100 dollars. How much wi
insens350 [35]

Answer:

Step-by-step explanation:

Given that 10000 times a fair coin is flipped. Since fair coin prob for head of tail =0.5

If tail comes it will be taken as 1.  Hence for the sum to be less than 5000, no of heads <5000

Since trials are large we approximate to normal with mean = np = 5000 and variance = np(1-p) = 2500

Thus no of heads x is normal with (5000, 50)

P(X

Since this prob is less than 0.5 only minimum amount to be bet i.e. 1 dollar

If sum of coins <5100, then Z = \frac{5100-5000}{50} =2

P(Z<2) = 0.9500

This time we can bet maximum of 100 dollars as probability is very high nearer to 1.

4 0
4 years ago
Which is the intersection of XY¯¯¯¯¯¯ and XZ¯¯¯¯¯?
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Answer:

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It is assumed we are talking about two rays XY and XZ.

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7 0
3 years ago
Read 2 more answers
Which is the equation of a parabola with vertex (0, 0), that opens to the right and has a focal width of 8? a.y^2=8x b.y^2=-8x c
Marianna [84]

Answer:

a.   y^2 = 8x.

Step-by-step explanation:

The general equation for this type of parabola is y^2 = 4ax  where a is the distance between the vertex and the focus. The focal width = 4a.

So the answer to this is y^2 = 8x.

7 0
3 years ago
Simplify this expression √x4y12
Zinaida [17]

Answer:

4\sqrt{3xy}

Step-by-step explanation:

4 is a perfect square.  We can pull 2 out from under the square root symbol.

The prime factor of 12 is 2.2.3.  We can pull another 2 outside of the square root symbol.  2 x2 is 4 that will be outside of the square root symbol and the x, y and 3 will be left under the symbol.

8 0
2 years ago
Please help me with number 19
eimsori [14]
The new equation will be (x-1)² + (y-18)²=36

2) x²+y²+6x+12y=4
(x²+6x+?)-(?) + (y²+12y +??) -(??)=4

(x²+6x+9)-(9) + (y²+12y +36) -(36)=4
(x+3)² - 9 + (y+6)² - 36 = 4

(x+3)² +(y+6)² = 49
6 0
3 years ago
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