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Arturiano [62]
3 years ago
7

In the 2010 Winter Olympic Games in Vancouver, Canada, the United States athletes won 1 more than

Mathematics
1 answer:
larisa86 [58]3 years ago
8 0

Answer:

2

Step-by-step explanation:

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1) Matthew worked 354 hours in a week
ICE Princess25 [194]
$1 each hour
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3 0
3 years ago
How can the vertex of a parabola be used in solving<br> real-world problems?
Bezzdna [24]

Answer:

The vertex is the maximum or minimum point of the quadratic function. It can be used to solve real world problems optimization problems that can be modeled with quadratic functions

Step-by-step explanation:

hope this helps^^

brainliest maybe??<3

7 0
2 years ago
Four bread rolls weigh a total of 3/5 pounds. houw much does each bread roll weigh?​
NikAS [45]

Answer:

each bread roll weighs 3/20 pounds. (you can also write it as 0.15 pounds)

Step-by-step explanation:

4 0
2 years ago
The ages of Sohail, Afzal and Bilal are 17, 16 and 12 respectively. If the age of Aslam also included the average of the ages is
vichka [17]

Sohail=17

afzal=16

Bilal=12

Aslam=16+5=21

4 0
2 years ago
50 students live in a dormitory. The parking lot has the capacity for 30 cars. Each student has a car with probability 12 , inde
Maurinko [17]

Answer:

P(X is greater than 30) = 0.06

Step-by-step explanation:

Given that:

Sample proportion (p) = 0.5

Sample size = 30

The Binomial can be approximated to normal with:

\mu = np = 50 \times 0.5 \\ \\ \mu= 25

\sigma = \sqrt{np(1-p) } \\ \\  \sigma = \sqrt{50 \times (0.5)(1-0.5) } \\ \\ \sigma = 3.536

To find:

P(X> 30)

So far we are approximating a discrete Binomial distribution using the continuous normal distribution. 30 lies between 29.5 and 30.5

Normal distribution:

x = 30.5, \mu = 25, \sigma = 3.536

Using the z test statistics;

z = \dfrac{x - \mu}{\sigma}

z = \dfrac{30.5 - 25}{3.536}

z = \dfrac{5.5}{3.536}

z = 1.555

The p-value for P(X>30) = P(Z > 1.555)

The p-value for P(X>30) = 1 - P (Z< 1.555)

From the z tables;

P(X> 30) = 1 - 0.9400

Thus;

P(X is greater than 30) = 0.06

7 0
3 years ago
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