Math, asked by ayush599285, 6 months ago

(3/7 + 4/21 - 7/14 + -3/7)​

Answers

Answered by trinoyjyotipegu
0

Answer:

The mean of the marks scored by 50 students was found to be 39. Later on it was discovered that a score of 43 was misread as 23. Find the correct mean.

Answered by FL0W
1

\frac{3}{7} + \frac{4}{21} - \frac{7}{14} - \frac{3}{7} = - \frac{13}{42}

Previous Question
Next Question
Similar questions
Math, 3 months ago
A shopkeeper purchased 60 pencil boxes for ₹4500 and sold at the rate of ₹4125 for 50 pencil boxes. How much profit present does he make on selling all pencil boxes?​
History, 3 months ago
16. What was the lifestyle of the king Louis IX in France? Why do you think the treasure was drained in France?​
Math, 3 months ago
Note: This question is mandatory for you to attempt. Inaddition, you cannot re-visit this question. Please take care not to navig Question. 199 1993 4893 Which of the sequences given in the options has the highest standard deviation? 01,2,3,4 Q 6, 9, 12, 15 016, 32, 48, 64 08, 15, 22, 29 548931162 35 548931162 35 548931162 35 548931162 35 548931162 35 548931162 33 546931162 35 T! Mark for Review...
Physics, 6 months ago
What is dyne???????????
Biology, 6 months ago
Draw the pictures of any two leaves and compare the characteristics of the both leaves.​
Chemistry, 11 months ago
Which of the following is not a biopolymer ? (a) Proteins (b) Rubber (c) Cellulose (d) RNA...
Chemistry, 11 months ago
CH₃ | Monomer of [— C — CH₂ —]ₙ is | CH₃ (a) 2-methylpropene (b) styrene (c) propylene (d) ethene...
Chemistry, 11 months ago
Which of the following is not correctly matched? (b) Neoprene [-CH₂-C=CH-CH₂-]ₙ | Cl O O || || (c) Nylon-66 [-NH-(CH₂)₆-NH-C-(CH₂)₄-C-O-]ₙ CH₃ | (d) PMMA [-CH₂-C--------]ₙ | COOCH₃...