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alexdok [17]
2 years ago
6

Work out and simplify where possible7/15+2/15​

Mathematics
2 answers:
xxTIMURxx [149]2 years ago
8 0
3/5 is the answer and in decimal form it should be 0.6
alisha [4.7K]2 years ago
6 0

Answer:

3/5

Step-by-step explanation:

7/15 + 2/15 = 9/15

both 9 nad 15 are divisible by 3

9/15 = 3/5

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A math test has 40 questions. A student answers 85% of the questions correctly. How many questions did the student answer correc
Novosadov [1.4K]

Answer:

34

Step-by-step explanation:

40 * 0.85 = 34

34 questions answered correctly

6 0
2 years ago
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Abe,a plumber, charges $50 per hour for making an in-home visit. The Plumbing Service $65 per hour but no set free for a visit.
ArbitrLikvidat [17]

Answer:

Plumber: 13 hours

Plumbing service: 10

Step-by-step explanation:

What you have to find is LCM(least common multiple in order to find the lcm all you have to do is list all the multiples and find their common multiple.

5 0
3 years ago
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Which number is such that when it's ÷ 27 30 or 45 the remainder is always three​
rewona [7]

Answer:

closest answer = 81

Step-by-step explanation:

81/27 = 3

81/30= 2.7

81/45 = 1.8

6 0
3 years ago
10% of £22 <br><br> 5% of £22 <br><br> 15% of £22<br><br> —————-<br> please help!
dybincka [34]

Step-by-step explanation:

10% of £22

10/100×22/1

2.2%

5% of £22

5/100×22/1

1.1%

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15/100×22/1

3.3%

5 0
3 years ago
Which of the following relations is a function?
Rudik [331]

Answer:

Ans. C

Step-by-step explanation:

every domain has different image in C.

5 0
3 years ago
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