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expeople1 [14]
3 years ago
8

The sum of the digits of a two-digit number is 14. If the number formed by reversing the digits is less than the original number

by 18. Find the original numbers.
Mathematics
1 answer:
HACTEHA [7]3 years ago
3 0

Answer:

86

Step-by-step explanation:

1. a+b=14 ⇒ a= 14-b

2. 10a+b=18+10b+a ⇒ a= 2+b

comparing 1 and 2:

14-b= 2+b ⇒ 2b= 12 ⇒ b= 6

a= 14-b= 8

number = 86

reversed number = 68

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Artist 52 [7]

Answer:

0

Step-by-step explanation:

Here,

p=2

b=2

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c= p²-b²

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8 0
3 years ago
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A 100 rupee note was changed to 10 and 5 rupee notes, 15 notes in all. How many of each notes?​
san4es73 [151]

Answer:

Total number of notes is 11.

Step-by-step explanation:

Value is 100 rupees…

5x + 20y = 100 and x + y = 11 are the two equations.

We can simplify…

5x + 20 y - 5x - 5y = 100 - 55 = 45

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So, we have 8 notes of 5 rupees denomination and 3 notes of 20 rupees denomination.

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3 years ago
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Find the measure of angle2<br><br> A. 90<br> B. 50<br> C. 60<br> D. 30
galina1969 [7]
I think it is C. 60.
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6 0
2 years ago
Please help as soon as possible PLEASE
pashok25 [27]

Area of the entire rectangle =x^2+10x+24

Solution:

Area of the blue box =  length × width

                                  =x\times x

Area of the blue box =x^2

Area of the pink box =  length × width

                                  =4\times x

Area of the pink box =4x

Area of the green box = length × width

                                     =6\times x

Area of the green box =6x

Area of the orange box = length × width

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Area of the orange box = 24

Total area of the rectangle =x^2+4x+6x+24

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Area of the entire rectangle =x^2+10x+24

4 0
3 years ago
Pls help. <br> Question above
GrogVix [38]
What is this type of math called please and what year/grade if you don’t mind me asking so I can be prepared
6 0
3 years ago
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