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Nimfa-mama [501]
3 years ago
15

In how many different ways can 5 books be arranged on a shelf?

Mathematics
1 answer:
lions [1.4K]3 years ago
7 0
Permutation:

5! = 5 * 4 * 3 * 2 * 1 = 120
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These 2 questions math 9th thanks! will give brainly!!
denis-greek [22]

Answer:

1)     25+7(n-1)

When the above 'n'(hours) is substituted on the equation, it equals up to the right cost.

2)      Given that n represents the no.of bikes, you just plug it in to the equation below.

250+39(n-1)

= 250+39(20-1)

= 250+39*19

= 250+741

= 991

7 0
3 years ago
Which transformation shows a translation of 3 units to the right?<br> A)A<br> B)С<br> C)B<br> D)D
Citrus2011 [14]

Answer:

Step-by-step explanation: It`s option  C

4 0
3 years ago
An octagon has a perimeter of 28 units. What is the perimeter of the image of the octagon after the translation (x,y) → (x-7,y+
kow [346]

Answer:

https://www.caverna.k12.ky.us/userfiles/110/Classes/7142//userfiles/110/my%20files/study%20guide%20answer%20key%20(1).pdf?id=4059

Step-by-step explanation:

copy and past this pdf

6 0
3 years ago
Solve y = x - 5 if the domain is 5
Lunna [17]
If the domain is 5, you just put that five where you find an x. So,
y = 5 - 5
y = 0

Domain means those are the numbers that will be set as x's in the equation
6 0
3 years ago
Need help only good answer plis!
Nesterboy [21]

A. The angles at the intersection of the two lines can be proven to be congruent and complementary . so they meet at a right angle and the lines are perpendicular.

<u>Step-by-step explanation:</u>

In above question, In order to find whether AB ⊥ CD, Using compass construction & rounder , keep the tip at A and cut arcs at line CD . Follow the same process again with tip at B and cut arcs at line CD . Do this both sides of Line CD i.e. on left side of AB & on right side of AB. Now, join the intersection points of both side arcs which are intersecting each other. Now, to prove both are right angle to each other i.e.  AB ⊥ CD , can be done by proving congruent  and complementary , so they meet at a right angle and Hence , the lines are perpendicular i.e. AB is inclined to CD at angle of 90°.

8 0
3 years ago
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