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OverLord2011 [107]
3 years ago
12

The reciprocal of 2 1/7 is what ?

Mathematics
2 answers:
aivan3 [116]3 years ago
6 0

Answer:

7/15.

Step-by-step explanation:

2 1/7 = 15/7

Reciprocal of 15/7 = 1  / 15/7

= 7/15.

Phantasy [73]3 years ago
5 0

Answer:

7/15

Step-by-step explanation:

2 1/7 is mixed fraction, if you turn it into a improper fraction, you will get 15/7. Just flip those two numbers, and you get the answer

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A group of 25 students want to see a drake concert. Tickets for members of drakes fan club cost $20 and tickets for no members c
Gwar [14]

<span>If you would like to know how many of each type of ticket were sold, you can calculate this using the following two equations:

a ... the number of drakes fan club tickets
s ... the number of no members tickets

$550 = a * $20 + s * $25 ... 550 = 20 * a + 25 * s
a + s = 25 ... a = 25 - s
__________________
</span>550 = 20 * a + 25 * s

<span> 550 = 20 * (25 - s) + 25 * s</span>

550 = 20 * 25 - 20 * s + 25 * s

550 - 20 * 25 = 5 * s

550 - 500 = 5 * s    /5

s = 50 / 5 

s = 10 tickets

<span>a = 25 - s = 25 - 10 = 15 tickets</span>

<span>Result: There were 15 drakes fan club and 10 no members tickets sold.</span>

6 0
3 years ago
A collection of dimes is arranged in a triangular array with 17 coins in the base row, 16 in the next, 15 in the next, and so fo
Alona [7]

Good evening ,

Answer:

<h2>153 dimes.</h2>

Step-by-step explanation:

1+2+3+...+17 =  (17×18)/2 = (17×18)÷2 = 153 dimes.

it’s the sum of 17 terms of a geometric series.

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8 0
3 years ago
Read 2 more answers
How many solutions does the graphed system of equations have:
Alex17521 [72]

Answer:

since the lines don't intersect there is no solution.


8 0
3 years ago
Please help it would be amazing~
Naddik [55]
The expression is true
3 0
3 years ago
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Two consecutive even numbers are such that five times the smaller number , subtracted from eight times the bigger gives 58. Find
olga55 [171]

Answer:

14\text{ and }16

Step-by-step explanation:

Let the smaller number be x. Since they are consecutive even numbers, the larger number can be represented by x+2.

Therefore, we have the following equation:

8(x+2)-5x=58,\\8x+16-5x=58,\\3x=42,\\x=\boxed{14}

Thus, the larger number is x+2=\boxed{16}

6 0
2 years ago
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