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Ganezh [65]
3 years ago
5

5/4 +1/3 = write the simplest form

Mathematics
2 answers:
spin [16.1K]3 years ago
6 0

Answer:

\frac{19}{12}  =1  \frac{7}{12}

Step-by-step explanation:

\frac{5}{4}  +  \frac{1}{3}  \\  \frac{5 \times 3}{4 \times 3}  +  \frac{ 1 \times 4 }{3 \times 4}  \\  \frac{15}{12}  +  \frac{4}{12}  \\  =  \frac{19}{12}  = 1 \frac{7}{12}

Natalija [7]3 years ago
5 0
5/4=15/12
1/3=4\12
15+4=19
=19/12= 1 and 7/12
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PLEASE HELP!<br>Calculate $40^{13} \pmod{85}.$
SVEN [57.7K]
In this type of calculations, we decompose 13 by checking the lowest powers of the base, that is 40. for example we check 40^2, or 40^3 and compare it to 85

Notice

40*40*40=64,000

so we check how many time does 85 fit into 64,000:

64,000/85=752.94

85*753=64,005;       64000-64,005=-5

this means that 

40^{3} =-5\pmod{85}

thus

40^{13} =40^{3*4+1}={(40^{3})}^{4}*40=(-5)^{4}*40 \pmod{85}=\\\\625*40\pmod{85}=(7*85+30)*40\pmod{85}=30*40\pmod{85}\\\\=1200\pmod{85}=(14*85+10)\pmod{85}=10\pmod{85}


Answer: 10 (mod85)

Remark, the set of all solutions is:

{......-75, 10, 95, .....}, that is 85k +10
7 0
3 years ago
Hello people again please help
densk [106]
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3 0
2 years ago
Can you help me what is 8242/68
Lina20 [59]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
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natulia [17]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
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S_A_V [24]

 Supplement Postulate? they are supplementary. 



4 0
3 years ago
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