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asambeis [7]
3 years ago
9

3/8 + 4/5 in simplest form

Mathematics
2 answers:
wel3 years ago
8 0

Answer:

47/40 or 1 7/40

Step-by-step explanation:

(3x5)+(4x8)/8x5

lianna [129]3 years ago
6 0

Answer:

1 7/40

Step-by-step explanation:

3/8 + 4/5

15/40 + 32/40 (need common denominators to add)

47/40

1 & 7/40

cannot simplify because 7 is prime

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Suppose that the division N/5 leaves a remainder of 4, and the division N/2 leaves a remainder of 1, what is the ones digit on N
Tju [1.3M]

Since <em>N</em>/2 leaves a remainder, <em>N</em> must be odd and ends with 1, 3, 5, 7, or 9.

<em>N</em>/5 also leaves a remainder, so <em>N</em> is not divisible by 5, so it does not end in 5.

The only correct choice is then 9, since

1 = 0•5 + 1 and 1 = 0•2 + 1

3 = 0•5 + 3 and 3 = 1•2 + 1

7 = 1•5 + 2 and 7 = 3•2 + 1

9 = 1•5 + <u>4</u> and 9 = 4•2 + <u>1</u>

<u />

Alternatively, the given information is equivalent to saying

N\equiv 4\pmod5\\\\N\equiv1\pmod2

Then you can use the Chinese remainder theorem to find <em>N</em>.

7 0
3 years ago
Yul has lunch at a resterant if his bill was $14.50 and yul wants to leave a 20% tip what is the amount he should leave for the
Triss [41]

14.50 times 0.20 = 2.9

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4 0
3 years ago
A bag contains 70 pencils out of which 15 are green and 30 blue.(i)How many pencils of other colours. are in the bag?(ii)A penci
Bas_tet [7]

Answer:

i) 25

ii) 30:70; 30 out of 70 pencils will be blue.

Step-by-step explanation:

i) 70 - (15+30)= 25 other colors in the bag.

ii) 30:70

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Luda [366]
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xx\geq -10

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