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kirill [66]
4 years ago
7

How do you figure out the reciprocal of a numer? E.g 5, 2/7 and 1&2/5 ??

Mathematics
1 answer:
eimsori [14]4 years ago
6 0
You need to multiply 1 and 5 plus 2. 
and for 5 2/7 it would be 5 times 7 plus 2.

So...
5 2/7= 37/7

1 2/5= 7/5
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a washer and a dryer cosr $873 combined. thenwasher cost$ $77 less than the dryer . what is the cost of the dryer.
Hitman42 [59]

Let the dryer cost x.

Then, the washer costs (x-77)

Together, they cost  (x) + (x-77) = 873

        2x-77 = 873      [subtract 77 from both sides]

           2x =    796      

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So the dryer costs $398

5 0
4 years ago
Two bicycles are driving on the circle in the same direction with speeds of 9 mph and 5 mph respectively. How many points are th
pychu [463]

Given that,

Speed of first bicycle = 9 mph

Speed of second bicycle = 5 mph

Suppose the length of the circle 24 miles.

We need to find the relative velocity

Using formula of relative velocity

v=v_{1}-v_{2}

Put the value into the formula

v=9-5

v=4\ mph

We need to calculate the time

Using formula of time

t=\dfrac{d}{v}

t=\dfrac{24}{4}

t=6\ hr

We need to calculate the distance of the points where the two bicycles meet

Using formula of distance

For first bicycles,

d=9\times6

d=54\ miles

For second bicycles,

d'=5\times6

d'=30\ miles

Hence, The points where the two bicycles meet after every 6hr at 30 miles and 54 miles.

4 0
3 years ago
Does the relation show represent a function?
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Answer: yes it is hope this helped

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Step-by-step explanation:

8 0
3 years ago
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VikaD [51]

Answer:

32,000

Step-by-step explanation:

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Uptown Photography charges $15 per portrait sheet, plus $19 for a session fee. Downtown Photography charges $29 for a session fe
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5 0
4 years ago
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