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Reptile [31]
3 years ago
8

Ankur bought a toy for rs 130 and sold it to his friends for 150 .profit incurred by him is​

Mathematics
2 answers:
german3 years ago
7 0

<em>Hope</em><em> </em><em>this</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em>

<em>Look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>pictur</em><em>e</em><em>⤴</em>

Veronika [31]3 years ago
6 0

Answer:

Rs 20

Step-by-step explanation:

Profit = selling price - cost price

= 150 - 130

= Rs 20

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Mariulka [41]
19 divided by 40 is .475 so it’s -29.475
7 0
3 years ago
Solve for x.<br> 3x + 4x = 14<br> X =<br><br> please explain how you got the answer too
Komok [63]
X=2
You add 3x and 4x which is 7x then divide 14 by 7 which is 2
5 0
3 years ago
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IceJOKER [234]
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Answer:
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5 0
3 years ago
The National Cancer Institute estimates that 3.65% of women in their 60s get breast cancer. A mammogram can typically identify c
masha68 [24]

Answer:

39.17% probability that a woman in her 60s who has a positive test actually has breast cancer

Step-by-step explanation:

Bayes Theorem:

Two events, A and B.

P(B|A) = \frac{P(B)*P(A|B)}{P(A)}

In which P(B|A) is the probability of B happening when A has happened and P(A|B) is the probability of A happening when B has happened.

In this question:

Event A: Positive test.

Event B: Having breast cancer.

3.65% of women in their 60s get breast cancer

This means that P(B) = 0.0365

A mammogram can typically identify correctly 85% of cancer cases

This means that P(A|B) = 0.85

Probability of a positive test.

85% of 3.65% and 100-95 = 5% of 100-3.65 = 96.35%. So

P(A) = 0.85*0.0365 + 0.05*0.9635 = 0.0792

What is the probability that a woman in her 60s who has a positive test actually has breast cancer?

P(B|A) = \frac{0.0365*0.85}{0.0792} = 0.3917

39.17% probability that a woman in her 60s who has a positive test actually has breast cancer

7 0
3 years ago
−x+10=−5<br><br> Please help and include step by step.
sergey [27]

Step by Step:

Step 1.) Subract 10 from both sides.

Step 2.) Divide each side by one



answer: x=15

3 0
3 years ago
Read 2 more answers
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