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hammer [34]
2 years ago
5

If CP of an item is Rs 7000, If SP of item is Rs 9100 Find the profit percentage.​

Mathematics
1 answer:
Mama L [17]2 years ago
5 0

Step-by-step explanation:

please mark me as brainlest

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Tina is saving to buy a notebook computer. She has two options. The first option is to put $200 away initially and save $10 ever
omeli [17]

The <em>correct answers</em> are:


It would take 5 months and she would save $250.


Explanation:


Let m be the number of months.


For the first way of saving, $200 up front and $10 each month, the expression would be

200+10m.


For the second way of saving, $100 up front and $30 each month, the expression would be

100+30m.


Setting them equal gives us the equation

200+10m = 100+30m


Subtract 10m from each side:

200+10m-10m = 100+30m-10m

200 = 100+20m


Subtract 100 from each side:

200-100 = 100+20m-100

100 = 20m


Divide both sides by 20:

100/20 = 20m/20

5 = m


It would take 5 months.


$200 up front and $10 each month for 5 months:

200+10m

200+10(5)

200+50

250


She would save $250.

6 0
3 years ago
Read 2 more answers
Classify the limaçon represented by the equation r=(1/2)-(1/2)sin(theta)
babunello [35]
We know that

Limacons are in the form
r=a(+-)b*sin (theta)  or r=a(+-)b*cos (theta)

in this problem
r=a(+-)b*sin (theta)
so
is symmetric to y axis
a=1/2
b=1/2
a/b=1---------> Cardioid (hearth shaped)

see the attached figure

the answer is the option
<span>A. Cardioid </span>

4 0
3 years ago
If your having a bad day i hope this makes you feel better &lt;3
andrew11 [14]
Thanks it kindave did
3 0
2 years ago
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The real part of the complex number –5 + 3i is
Firlakuza [10]
<span>A complex number is a number of the form a + bi, where i = and a and b are real numbers. For example, 5 + 3i, - + 4i, 4.2 - 12i, and - - i are all complex numbers. a is called the real part of the complex number and bi is called the imaginary part of the complex number.</span>
5 0
3 years ago
Read 2 more answers
what is the slope of the line that passes through the point (-20,18) and (30,14)? a-25/2 b -5/2 c-2/5 d -2/25
lyudmila [28]

Answer: A: -25/2

Step-by-step explanation:

4 0
3 years ago
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