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Archy [21]
2 years ago
5

What are corresponding angles​

Mathematics
1 answer:
Ratling [72]2 years ago
8 0

Answer:

Corresponding angles are equal. They're a F shape and it could be upside down.

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The weekly amount spent by a small company for in-state travel has approximately a normal distribution with mean $1450 and stand
Llana [10]

Answer:

0.0903

Step-by-step explanation:

Given that :

The mean = 1450

The standard deviation = 220

sample mean = 1560

P(X > 1560) = P( Z > \dfrac{x - \mu}{\sigma})

P(X > 1560) = P(Z > \dfrac{1560 - 1450}{220})

P(X > 1560) = P(Z > \dfrac{110}{220})

P(X> 1560) = P(Z > 0.5)

P(X> 1560) = 1 - P(Z < 0.5)

From the z tables;

P(X> 1560) = 1 - 0.6915

P(X> 1560) = 0.3085

Let consider the given number of weeks = 52

Mean \mu_x = np = 52 × 0.3085 = 16.042

The standard deviation =  \sqrt {n \time p (1-p)}

The standard deviation = \sqrt {52 \times 0.3085 (1-0.3085)}

The standard deviation = 3.3306

Let Y be a random variable that proceeds in a binomial distribution, which denotes the number of weeks in a year that exceeds $1560.

Then;

Pr ( Y > 20) = P( z > 20)

Pr ( Y > 20) = P(Z > \dfrac{20.5 - 16.042}{3.3306})

Pr ( Y > 20) = P(Z >1 .338)

From z tables

P(Y > 20) \simeq 0.0903

7 0
3 years ago
Solve the system by substitution.<br> y = -9x<br> y = 2x + 33
Gwar [14]

Answer:

y =  - 9x \\ theny = 2x + 33 \\  - 9x = 2x + 33 \\  - 9x - 2x = 33 \\  - 11x = 33 \\ x =  \frac{ - 33}{11}  =  - 3 \\ x =  - 3 \\then\\ y=-9×-3=21\\ thank \: you

5 0
3 years ago
What dose 91x17 equal
PtichkaEL [24]
If you put 91 times 17 in a calculator, you get 1547. 1547 is your answer.
3 0
3 years ago
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3 ft<br>3 ft<br>O What is the surface area of the 3-dimensio<br>shape?
Elanso [62]
The answer may be c but if not i am super sorry!!
4 0
2 years ago
There are 15 marbles in a bag: 7 are blue, 6 are white, and 2 are green. If one marble is drawn, what is the probability that it
DIA [1.3K]
40% white
13.33% green
6 0
3 years ago
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