A photographer has matted and framed 15 photographs. He needs to select 10 for the arts Festival. How many ways can he arrange the photos for the festival? Show or explain your work in detailed steps.​

Answers 1

Step-by-step explanation:

ykdtjsjtdrkurtwkefkrqktatoatsotsotisylstkyosks h na tu raji ka h ye

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Places A and B are 30km apart and they are on straight road. Hamid travels from A to B on bike. At the same time Joseph starts from B on bike, travel towards A. They meet each other after 20 minutes.If Joseph would have started from B at the same time but in opposite directions (instead of towards A) Hamid would have caught him after 3 hours. Find the speed of Hamid and Joseph.

Answer:

its so easy

Step-by-step explanation:

9 A

82

Let the speed of Hamid be x km/h and

that of Joseph be y km/h.

When both travel in same direction so, the distance covered by them together will be 30 km.

Distance

Time

We know Speed

They meet each other after 20 min =

20 1 60 3 hours

+ 30 =

⇒ x + y 90.....(I)

When Joseph started from point B but moved in opposite direction. Distance travelled by Hamid - Distance travelled by Joseph = 30

⇒ 3x-3y

= 30

⇒xy = 10.....(II)

Adding (1) and (II) we get

2x = 100

⇒x=50

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X

Putting the value of x in (II) we get

50 - y = 10

⇒y = 40

Thus, speed of Hamid is 50 km/h and that of Joseph is 40 km/h.

Justice demands it and the court awards it . change into future perfect​

Answer:

justice will demand it and the courts shall award it

3 to the power of 3 - 7 (3)

6

Explanation:

3³-7(3)

3³=27 and 7(3)=21

27-21

6

Explanation:

[tex](3 - 7) {3} = 3 \times 3 - 7 \times 7 = 9 - 49 = 40[/tex]

Hope it helps

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1. watch the video "don't give hate a chance" 2. answer the questions a) what's the video about? b)how do you feel about it? c) what can be done to change the situation? d) according to the video: how can we deal with violence? e)give suggestions or ideas to deal with violence at school, at home.

Answer:

good question.......,................,.........................

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