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Ghana
\[ f(x) = 3x + 4 \quad g(x) = 2x - 3 \] \[ \text{Find: } f \circ g(x) \]
Algebra Feb 14, 2025
The deriations from the mean of a set of numbers are \( (k-13)^{2},(k+7) \); \( -2, k \) and \( (k+2)^{2} \), Where \( k \) is a constant. Find the value of \( k \) if the mean deviation
Statistics Feb 14, 2025
The deriations from the mean of a set of numbers are \( (k-12)^{2}(k+7),-2, k \) a-d \( (k+2)^{2} \), where \( k \) is a constant. Find the value of \( K \) if the mean deviation is \( O \)
Statistics Feb 14, 2025
There are \( x \) number of girls in Basic 8 of a school. The number of boys in the class is 8 more than the number of girls. The number of girls in Basic 9 of the same school is 4 less than the number of girls in Basic 8 and the number of boys in Basic 9 is twice the number of boys in Basic 8 . In a given speech and price given day, each learner in Basic 8 was given \( y \) books and each learner in Basic 9 was given twice books as was given to each learner in Basic 8 . (a) Write a simplified expression for the total number of books given to the learners in Basic 8 and 9 .
Algebra Feb 14, 2025
Expant uning the fornomial theor em \[ (3 x-1)^{5} \]
Algebra Feb 13, 2025
find the \( n \) the term of the Series \( 2,-5,8,-11,14, \ldots \)
Algebra Feb 13, 2025
find the \( n \) the term of the Series \( 2,-5,8,-11,14, \ldots \)
Algebra Feb 13, 2025
4. (i) Classify methods of statistical analysis and briefly explain the situations under which each may be employed. (ii) State the need of studying Statistics in your programme of study. What significant role does a statistician play in a scientific investigation? (iii) Distinguish between standard deviation and coefficient of variation. State two desirable properties of each of these measures of dispersion.
Statistics Feb 13, 2025
9. Which score indicates the highest relative position? a. A score of 3.2 on a test with mean 4.6 and standard deviation 1.5 b. A score of 630 on a test with mean 800 and standard deviation 200 c. A score of 43 on a test with mean 50 and standard deviation 5
Statistics Feb 13, 2025
A body of mass 10 kg moves between two points on a horizontal road and does 500 J of work against friction. If the initial speed of the body is \( 20 \mathrm{~ms}^{-1} \), calculate its final speed
Physics Feb 13, 2025
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