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hoa [83]
3 years ago
11

The Marked price of an article was fixed to Rs 1380 by increasing 15% on its actual price. Find the actual price.​

Mathematics
1 answer:
dedylja [7]3 years ago
5 0

Answer:

The actual price of the article was Rs. 1200.

Step-by-step explanation:

mp (marked price)

ap (actual price)

mp = 1380

mp = ap + 15\%(ap)

1 380 = ap +  \frac{15}{100} ap

1380 =  \frac{100}{100} ap +  \frac{15}{100} ap

1380 =   \frac{115}{100} ap

1380  \div  \frac{115}{100}  = ap

1380 \times  \frac{100}{115}  = ap

\frac{138000}{115}  = ap

1200 = ap

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How to write 0.00007 in scientific notation
harkovskaia [24]

Answer:

As 7.0 is the same as seven, 0.00007 written in scientific notation is seven multiplied by 10 to the power of negative five.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
1/2*(6*1+7)+11 show the result
fomenos
Well I got 17.5
You would start with                              6x1=6
Then you would add 7:                         6+7=13
Next you would multiply 13 by (1/2):    13(1/2)=6.5
Finally you would add 11 to 6.5:           6.5+11= 17.5
3 0
3 years ago
Which fraction represents the solution to -6/5/(-3/25) in simplest form?
Tresset [83]
To divide fractions, you flip the denominator and then multiply it by the numerator.

-6 / 5 x (-25 / 3)

Multiply straight across; the negative cancels out.

150 / 15

This can be reduced to 15, which is its simplest form.
7 0
3 years ago
Read 2 more answers
g In 2013, the Pew Research Foundation reported that 43% of U.S. adults report that they live with one or more chronic condition
SOVA2 [1]

Answer:

We are 95% confident that the true proportion of U.S. adults who live with one or more chronic conditions is between 39.7% and 46.33%

Step-by-step explanation:

From the question we are told that

  The  sample  proportion is \r p = 43\%  = 0.43

   The  standard error is SE =  0.017

Given that the confidence level is 95%  then the level of significance is mathematically represented as  

      \alpha =  (100-95)\%

=>   \alpha = 0.05

Generally from the normal distribution table the critical value  of  \frac{\alpha }{2} is  

   Z_{\frac{\alpha }{2} } =  1.96

Generally the margin of error is mathematically represented as

     E = Z_{\frac{\alpha }{2} } *  SE

=>    E = 1.96 *  0.017

=>     E = 0.03332

Generally 95% confidence interval is mathematically represented as

      \r p -E <  p <  \r p +E

=>   0.43 -0.03332 <  p <  0.43 + 0.03332

=>    0.39668 <  p <  0.46332

Converting to percentage

(0.39668 * 100)<  p <  (0.46332*100)        

39.7\% <  p < 46.33 \%    

7 0
3 years ago
If m∠NOP = 24° and m∠NOQ = 110°, what is m∠POQ?
andrew11 [14]

Correct answer for the above question is - option B. 86°

<u>Step-by-step explanation:</u>

Given:

∠NOP = 24°

∠NOQ = 110°

∠NOP and ∠POQ are adjacent angles

To Find:

∠POQ = ?

Solution:

Hereby, we can say that ∠POQ lies between line OQ and ON as given (∠NOP and ∠POQ are adjacent angles )

∠NOQ - ∠NOP = ∠POQ

∠POQ = 110° - 24°

<u>∠POQ = 86°</u>

Angle POQ is  86°

Thus we can conclude option B as correct answer.

4 0
3 years ago
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