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2 years ago

Chane can run 380meters in two mintues how long can he run for one minutes

Mathematics

1 answer:

Dmitry_Shevchenko [17]2 years ago

7 0

Answer:

2mins=380meters

1min=x

2x=380

x=380/2=190meters

I would appreciate if my answer is chosen as a brainliest answer

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Suppose that 7 female and 5 male applicants have been successfully screened for 5 positions. If the 5 positions are filled at ra

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Answer:

(a) 350

(b) 175

(d) 196

Step-by-step explanation:

Number of females = 7

Number of males = 5

Total ways of selecting r items from n items is

$^nC_r=\dfrac{n!}{r!(n-r)!}$

(a)

Total ways of selecting 3 females and 2 males.

$\text{Total ways}=^7C_3\times ^5C_2$

$\text{Total ways}=\dfrac{7!}{3!(7-3)!}\times \dfrac{5!}{2!(5-2)!}$

$\text{Total ways}=35\times 10$

$\text{Total ways}=350$

(b)

Total ways of selecting 4 females and 1 male.

$\text{Total ways}=^7C_4\times ^5C_1$

$\text{Total ways}=32\times 5$

$\text{Total ways}=175$

(c)

Total ways of selecting 5 females.

$\text{Total ways}=^7C_5\times ^5C_0$

$\text{Total ways}=21\times 1$

$\text{Total ways}=21$

(d)

Total ways of selecting at least 4 females.

Total ways = 4 females + 5 females

$\text{Total ways}=175+21$

$\text{Total ways}=196$

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3 years ago

The basic model of pure competition reviewed in this chapter finds that in the long run all firms in a purely competitive indust

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Answer:

Companies must strive to improve their products and services within the framework of healthy competition.

Step-by-step explanation:

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3 years ago

Hello i really need help, please help me. thank you :(

vlabodo [156]

Answer:

12/13

Step-by-step explanation:

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2 years ago

Read 2 more answers

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Answer:

x = 0

Step-by-step explanation: