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Currently father is 16 years older than son. 6 years ago father was 3 times older than son. What’s the equation to write down ?

asked Mar 23 in Mathematics by ♦MathsGee Diamond (88,894 points) | 19 views

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Margo has \(R 12000\) to invest and needs the money to grow to at least \(R 30000\) to pay for her daughter's studies. If it is invested at a compound interest rate of \(9 \%\) per annum, determine how long (in full years) her money must be invested?

asked Mar 22 in Mathematics by ♦MathsGee Diamond (88,894 points) | 21 views

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Some years ago, a martian living on Earth opened a savings account at KZN South Bank. The principal amount was R 3200 but now the account has a value of \(\operatorname{R} 4326,22\).

asked Mar 22 in Mathematics by ♦MathsGee Diamond (88,894 points) | 15 views

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Thembile invests R 3500 into a savings account which pays \(7,5 \%\) per annum compounded yearly. After an unknown period of time his account is worth \(\mathrm{R} 4044,69\). For how long did Thembile invest his money?

asked Mar 22 in Mathematics by ♦MathsGee Diamond (88,894 points) | 9 views

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How do I calculate the period of a compound interest investment ?

asked Mar 22 in Mathematics by ♦MathsGee Diamond (88,894 points) | 18 views

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Convert \(\sqrt{49}=7\) into a logarithmic equation.

asked Mar 22 in Mathematics by ♦MathsGee Diamond (88,894 points) | 8 views

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Convert \(10^{-3}=\frac{1}{1,000}\) into a logarithmic equation.

asked Mar 22 in Mathematics by ♦MathsGee Diamond (88,894 points) | 9 views

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Rewrite \(5^3=125\) as a logarithmic equation.

asked Mar 22 in Mathematics by ♦MathsGee Diamond (88,894 points) | 9 views

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Convert \(\log _3\left(\frac{1}{81}\right)=-4\) into an exponential equation.

asked Mar 22 in Mathematics by ♦MathsGee Diamond (88,894 points) | 8 views

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Convert \(\log _4\left(\frac{1}{16}\right)=-2\) into an exponential equation.

asked Mar 22 in Mathematics by ♦MathsGee Diamond (88,894 points) | 8 views

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Rewrite \(\log _3 9=2\) as an exponential equation.

asked Mar 22 in Mathematics by ♦MathsGee Diamond (88,894 points) | 6 views

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Billy’s mother put \$100 into a bank account for him when he was born. The account gained interest at a rate of 3% per year, compounded monthly.

asked Mar 22 in Mathematics by ♦MathsGee Diamond (88,894 points) | 10 views

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Evaluate. \(x^3\) if \(x=-4\)

asked Mar 22 in Mathematics by ♦MathsGee Diamond (88,894 points) | 11 views

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Evaluate. \((5 x)^3\) if \(x=4\)

asked Mar 22 in Mathematics by ♦MathsGee Diamond (88,894 points) | 8 views

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Write the expression (−15.5)+35.5 in a different way, using the commutative property of addition, and show that both expressions result in the same answer.

asked Mar 22 in Mathematics by ♦MathsGee Diamond (88,894 points) | 10 views

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What is the interquartile range (IQR)?

asked Mar 21 in Data Science & Statistics by ♦MathsGee Diamond (88,894 points) | 17 views

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Find the mean, mode, median, and range of the following data set: 14; 22; 8; 11; 29; 17; 5; 22; 14; 8; 5

asked Mar 21 in Data Science & Statistics by ♦MathsGee Diamond (88,894 points) | 30 views

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Find the mean, mode, median, and range of the following data set: \(3 ; 8 ; 15 ; 20 ; 12 ; 18 ; 24 ; 6 ; 20 ; 3 ; 10 \)

asked Mar 21 in Data Science & Statistics by ♦MathsGee Diamond (88,894 points) | 31 views

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Where is Roodepoort?

asked Mar 15 in Geography & Environment by ♦MathsGee Diamond (88,894 points) | 38 views

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What is a population standard deviation?

asked Mar 14 in Data Science & Statistics by ♦Maths Genie Bronze Status (7,761 points) | 26 views

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What do most South African university students spend their money on?

asked Mar 1 in Student Financial Aid by ♦MathsGee Diamond (88,894 points) | 72 views

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Calculate \(60%\) of \(750\)

asked Feb 23 in Mathematics by ♦MathsGee Diamond (88,894 points) | 21 views

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How does NSFAS define a university?

asked Feb 21 in Student Financial Aid by ♦MathsGee Diamond (88,894 points) | 46 views

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What are course credits in the NSFAS context?

asked Feb 21 in Student Financial Aid by ♦MathsGee Diamond (88,894 points) | 66 views

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What does NSFAS mean by "Course - University Only"?

asked Feb 21 in Student Financial Aid by ♦MathsGee Diamond (88,894 points) | 42 views

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A 6-volume numbered set of books is placed randomly on a shelf. What is the probability that the books will be numbered in the correct order from left to right?

asked Feb 20 in Mathematics by kimmysullivan (5 points) | 55 views

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Make \(x\) subject of formula: \(V_2=V_1\left(1-\left(\frac{x}{100}\right)^2\right)\)

asked Feb 14 in Mathematics by ♦MathsGee Diamond (88,894 points) | 47 views

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How many protons does gold have?

asked Feb 13 in Physics & Chemistry by Siyavula Wooden Status (4,147 points) | 61 views

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Solve \(4 x-5 x=8\)

asked Feb 11 in General Knowledge by ♦Maths Genie Bronze Status (7,761 points) | 58 views

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Calculate \(\frac{2}{x}+\frac{3}{x}\) and simplify the answer if necessary

asked Feb 9 in Mathematics by ♦Maths Genie Bronze Status (7,761 points) | 45 views

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How do we calculate the surface area of a cube?

asked Feb 8 in Mathematics by ♦MathsGee Diamond (88,894 points) | 87 views

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What is geometric thinking ?

asked Feb 6 in Mathematics by ♦GaussTheBot Diamond (44,739 points) | 65 views

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What is the z-score in statistics?

asked Feb 6 in Data Science & Statistics by ♦GaussTheBot Diamond (44,739 points) | 82 views

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What is the interquartile range in statistics?

asked Feb 6 in Data Science & Statistics by ♦GaussTheBot Diamond (44,739 points) | 70 views

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What is the standard deviation in statistics?

asked Feb 6 in Data Science & Statistics by ♦GaussTheBot Diamond (44,739 points) | 70 views

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How do you calculate the weighted mean?

asked Feb 6 in Data Science & Statistics by ♦GaussTheBot Diamond (44,739 points) | 77 views

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What is the mode in statistics?

asked Feb 6 in Data Science & Statistics by ♦GaussTheBot Diamond (44,739 points) | 73 views

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Who is considered the father of the modern computer and why?

asked Feb 6 in Mathematics by ♦GaussTheBot Diamond (44,739 points) | 50 views

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What is the concept of hypothesis testing in statistics?

asked Feb 6 in Data Science & Statistics by ♦GaussTheBot Diamond (44,739 points) | 54 views

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Is it accurate to state that "As far as capital is concerned, it is now through statistics that dead generations, or at least past events, weigh on the brains of the living"?

asked Feb 5 in Data Science & Statistics by ♦GaussTheBot Diamond (44,739 points) | 67 views

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Calculate the sum of the digits of \(2^{2015} \times 5^{2019}\)

asked Jan 30 in Mathematics by ♦GaussTheBot Diamond (44,739 points) | 78 views

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Determine the new equation of \(f(x)=4 x^2+5 x+1\) and \(g(x)=\frac{2}{x+5}-6\) if:

asked Jan 30 in Mathematics by ♦GaussTheBot Diamond (44,739 points) | 19 views

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Solve for \(x\) without using a calculator: \(x^2-6 x \geq-8\)

asked Jan 30 in Mathematics by ♦GaussTheBot Diamond (44,739 points) | 49 views

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Solve for \(x\) without using a calculator: \(\sqrt{4-x}+x=-2\)

asked Jan 30 in Mathematics by ♦GaussTheBot Diamond (44,739 points) | 55 views

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Solve for \(x\) without using a calculator: \(6+\frac{-6}{-x-3}=\frac{2 x}{x+3}+3 x\)

asked Jan 30 in Mathematics by ♦GaussTheBot Diamond (44,739 points) | 41 views

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Solve for \(x\) without using a calculator. \((9)^{x^2-9}=1\)

asked Jan 30 in Mathematics by ♦GaussTheBot Diamond (44,739 points) | 57 views

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Solve for \(x\) without using a calculator. \(8^{-x}=\frac{1}{64}\)

asked Jan 30 in Mathematics by ♦GaussTheBot Diamond (44,739 points) | 56 views

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\(8 ; 24 ; 72 ; \ldots \ldots\)

asked Jan 30 in Mathematics by ♦GaussTheBot Diamond (44,739 points) | 26 views

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Simplify the following without a calculator:

asked Jan 30 in Mathematics by ♦GaussTheBot Diamond (44,739 points) | 66 views

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Solve for \(x: 2 x^{\frac{4}{3}}=32\)

asked Jan 30 in Mathematics by ♦GaussTheBot Diamond (44,739 points) | 54 views

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