# Recent questions tagged exam

75
views
A regular pentagon. Find the length of side x without using trigonometry.
89
views
If the region in the first quadrant bounded by the curve $$y=e^{x}$$ and $$x=1$$ is rotated about the $$x$$ axis, what is the volume of the resulting solid?
397
views
Where can I get South African IEB Matric past exam papers ?
294
views
What do I need to bring to the South African Matric exam venue?
278
views
How is the South African Matric exam graded?
579
views
What is the South African Matric exam and why is it important?
364
views
I want to pass the LSATs. Give me the exam format and 5 tips I can inculcate for it.
329
views
A sequence of isosceles triangles is drawn. The $$1^{\text {st }}$$ triangle has a base length of $$2 \mathrm{~cm}$$ and a height of $$2 \mathrm{~cm}$$. The base of each ...
599
views
How do you find the area of a circle?
365
views
How do you find the area of a triangle?
319
views
What is the formula for the volume of a pyramid?
357
views
What is the sum of the interior angles of a hexagon?
321
views
What is the area of a triangle with base 6 and height 4?
293
views
Find the area of a triangle with base 5 and height 7.
442
views
Find the volume of a pyramid with a base of 10 cm by 15 cm and a height of 8 cm.
179
views
An L-shaped region is formed by attaching two 2 by 5 rectangles to adjacent sides of a 2 by 2 square as shown below.The resulting shape has an area of 24 square units. Ho...
267
views
A water tank has a square base with internal edge lengths of $$150 \mathrm{~mm}$$. What is the height of the tank when the maximum capacity of the tank is $$250 \mathrm{~... 388 views 0 answers A solid cylinder has a base with the radius \(=7 \mathrm{~cm}$$, the height $$=16 \mathrm{~cm}$$ and $$\pi=\frac{22}{7}$$. Calculate the surface area of the cylinder.
217
views
Simplify the ratio R250: R150: R100.
621
views
What is the size of each interior angle in a regular hexagon?
323
views
Mary bought a dress for R395,00 and sold it for R250,00. Calculate the percentage loss correct to one decimal place.
797
views
What facts about real numbers do I need to know in order to be ready for a Grade 10 maths exam?
404
views
For the data$\begin{array}{llllll}\mathrm{t}: & 0 & 0.5 & 1 & 1.5 & 2 \\\mathrm{~F}(\mathrm{t}): & 0 & 0.25 & 1 & 2.25 & 4\end{array}$ third rule is A) $$2.6670$$B) $$2... 458 views 0 answers For the data \(\mathrm{t}: \quad \begin{array}{lllll}\quad 0 & 0.5 & 1 & 1.5 & 2 \\ \mathrm{~F}(\mathrm{t}): & 0 & 0.25 & 1 & 2.25\end{array}$$ The value of $$\int_{0}^{2... 332 views 1 answers What are the three R's in waste management? 1.2k views 1 answers The diagram shows a regular pentagon and a regular hexagon which overlap. Find the size of angle \(x$$
422
views
A piece of wire $$72 \mathrm{~cm}$$ long is cut into two equal pieces and each is formed into a circle. What is the sum, in square centimeters, of the areas of these circ...
622
views
Let $$\mathbf{M}=\left(\begin{array}{cc}0 & -5 \\ -2 & 4\end{array}\right)$$. There exist scalars $$p$$ and $$q$$ such that$\mathbf{M}^{2}=p \mathbf{M}+q \mathbf{I}$Ent...
681
views
Let $$\mathbf{A}=\left(\begin{array}{cc}15 & 25 \\ -9 & -15\end{array}\right)$$. Compute$\mathbf{I}+2 \mathbf{A}+3 \mathbf{A}^{2}+4 \mathbf{A}^{3}+\cdots .$
586
views
The lengths in feet of three pieces of timber are 48, 72, and 40. The sawmill operator needs to cut the timber into logs of equal length with no waste. How many feet long...
972
views
Six students write an exam. The average score obtained on the exam by the group of students is $$71 \%$$. If the first two students each obtained a mark of $$73 \%$$, whi...
556
views
Find the volume of the solid formed by revolving the region bounded by $$y=(x-2)^{2}$$ and $$y=x$$ about the $$y$$-axis.
269
views
Determine the area of the region bounded by the curve defined by $$y=x^{2}-4$$ and the lines $$y=0$$ and $$x=4$$, as shown in the diagram below.
346
views
Given a five-number summary,$\begin{array}{lllll}\text { minimum } & Q_{1} \quad Q_{2} \quad Q_{3} \quad \text { maximum }\end{array}$ is it possible to determine wheth...
388
views
Interactive Math Exam Paper
477
views
What's the area of square?
377
views
Evaluate the following expression when $$a=3$$ and $$b=-8: 3 a^{2}-7 b$$
526
views
Subtract $$\quad-4 x+8 y+6$$ from $$2 x+3 y-1$$
663
views
A rectangle's length is $$(x+2) \mathrm{cm}$$ and its width is $$4 \mathrm{~cm}$$. Write the simplified equation of the area (A).
595
views
A well-known folk legend. On the night before the big chemistry exam, two students were partying all night and over slept the exam. Their excuse to the professor was th...
324
views
Write each as a percent:a) $$\frac{1}{4}$$b) $$0.02$$c) $$2.35$$
479
views
On a map, $$1 \mathrm{~cm}$$ represent $$5 \mathrm{~km}$$. Find the area on the map that represents $$100 \mathrm{~km}^{2}$$.
511
views
The curved surface area of a cylinder $$5 \mathrm{~cm}$$ high is $$110 \mathrm{~cm}^{2}$$. Find the radius of its base $$\Pi=\frac{22}{7}$$
548
views
A student wishes to investigate whether the pass rate of first year actuarial science students at universities is correlated to a mark obtained in a mathematical entrance...
496
views
The more time spent studying, the greater the improvement in exam performance". This is an example of:a) A hypothesis that results in a negative relationshipb) A hypothes...
533
views
Given that $$p=\left(\begin{array}{c}5 \\ 3\end{array}\right), q=\left(\begin{array}{c}-1 \\ 2\end{array}\right)$$ and $$r=\left(\begin{array}{c}17 \\ 5\end{array}\right)... 532 views 1 answers (a) Given that \(\log _{10} p=a, \log _{10} q=b$$ and $$\log _{10} s=c$$, express $$\log _{10}\left(\frac{p^{\frac{1}{3}} q^{4}}{s^{2}}\right.$$ in terms of $$a, b$$ and ...
Given that $$a=5 i+4 j$$ and $$b=3 i+7 j$$, evaluate $$(3 a-8 b)$$A. $$9 i+44 j$$B. $$-9 i+44 j$$C. $$-9 i-44 j$$D. $$9 i-44 j$$
Given that $$a=\left(\begin{array}{l}2 \\ 3\end{array}\right)$$ and $$b=\left(\begin{array}{c}-1 \\ 4\end{array}\right)$$, evaluate $$\left(2 a-\frac{1}{4} b\right)$$A. \...
For the matrix$A=\left[\begin{array}{ccc}1 & 0 & -3 \\2 & 3 & 4\end{array}\right]$Compute $$3 A$$.