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defon
3 years ago
14

Where can the bisectors of the angles of an obtuse triangle intersect

Mathematics
1 answer:
Sliva [168]3 years ago
8 0
That point of concurrency is called the incenter of the triangle
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Một hộp có 10 sản phẩm, trong đó có 4 phế phẩm. Lấy ngẫu nhiên 2 sản phẩm từ hộp để kiểm tra. lập bảng phân phối xác suất của số
Free_Kalibri [48]
Tienes una versión en español para poder entender la pregunta?
3 0
2 years ago
Estimate the average rate of change from x=2 to x=5
Sliva [168]

Answer:

5x3x2y

Step-by-step explanation:

7 0
3 years ago
A marketing firm is considering making up to three new hires. Given its specific needs, the management feels that there is a 50%
IRISSAK [1]

Answer:

a) 0.9

b) Mean = 1.58

Standard Deviation = 0.89

Step-by-step explanation:

We are given the following in the question:

A marketing firm is considering making up to three new hires.

Let X be the variable describing the number of hiring in the company.

Thus, x can take values 0,1 ,2 and 3.

P(x\geq 2) = 50\%= 0.5\\P(x = 0) = 10\% = 0.1\\P(x = 3) = 18\% = 0.18

a) P(firm will make at least one hire)

P(x\geq 2) = P(x=2) + P(x=3)\\0.5 = P(x=2) + 0.18\\ P(x=2) = 0.32

Also,

P(x= 0) +P(x= 1) + P(x= 2) + P(x= 3) = 1\\ 0.1 + P(x= 1) + 0.32 + 0.18 = 1\\ P(x= 1) = 1- (0.1+0.32+0.18) = 0.4

\text{P(firm will make at least one hire)}\\= P(x\geq 1)\\=P(x=1) + P(x=2) + P(x=3)\\ = 0.4 + 0.32 + 0.18 = 0.9

b) expected value and the standard deviation of the number of hires.

E(X) = \displaystyle\sum x_iP(x_i)\\=0(0.1) + 1(0.4) + 2(0.32)+3(0.18) = 1.58

E(x^2) = \displaystyle\sum x_i^2P(x_i)\\=0(0.1) + 1(0.4) + 4(0.32) +9(0.18) = 3.3\\V(x) = E(x^2)-[E(x)]^2 = 3.3-(1.58)^2 = 0.80\\\text{Standard Deviation} = \sqrt{V(x)} = \sqrt{0.8036} = 0.89

7 0
3 years ago
HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
kipiarov [429]
\frac{5x^{5}-3x^{3}+2x^{2}-x}{x+2}=5x^{4}-10x^{3}+17x^{2}-32x+63- \frac{126}{x+2}

The coefficient of the x term is -32.
7 0
3 years ago
Please help me i dont understand
Phantasy [73]

Answer:

E and A

Step-by-step explanation:

3 0
2 years ago
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