# Recent questions tagged area

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Drag the words into the correct boxes - area of a circle
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Drag the words into the correct boxes - area of a circle Drag the words into the correct boxes - area of a circle &nbsp; &nbsp; ...
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Solve for $x$ and $y$: $x^{2}+y^{2}=49 \quad ; \quad y^{2}-5 x=49$
1 answer 41 views
Solve for $x$ and $y$: $x^{2}+y^{2}=49 \quad ; \quad y^{2}-5 x=49$Solve for $x$ and $y$: \x^{2}+y^{2}=49\ \y^{2}-5 x=49\ ...
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What's the area of the shaded region?
1 answer 36 views
What's the area of the shaded region? What&#39;s the area of the shaded region? &nbsp; ...
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If $3 x+5 y+7 z=49$ and $9 x+8 y+21 z=126$, the value of $y$ is:
1 answer 32 views
If $3 x+5 y+7 z=49$ and $9 x+8 y+21 z=126$, the value of $y$ is:If $3 x+5 y+7 z=49$ and $9 x+8 y+21 z=126$, the value of $y$ is: &nbsp; a. 3 b. 5 c. 2 d. 4 ...
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What's the area of square?
1 answer 38 views
What's the area of square? What&#39;s the area of square? &nbsp; ...
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Calculate the value of $x$
1 answer 73 views
Calculate the value of $x$ Calculate the value of $x$ &nbsp; ...
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Calculate the area of the shaded part
1 answer 51 views
Calculate the area of the shaded part Calculate the area of the shaded part ...
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What is the definition of area in calculus?
1 answer 67 views
What is the definition of area in calculus?What is the definition of area in calculus? ...
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Given force and area, what is the formula for pressure in physical sciences?
1 answer 66 views
Given force and area, what is the formula for pressure in physical sciences?Given force and area, what is the formula for pressure in physical sciences? ...
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Does MathsGee have an area and decimals simulator?
1 answer 63 views
Does MathsGee have an area and decimals simulator?Does MathsGee have an area and decimals simulator? ...
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Does MathsGee have an area and multiplication simulator?
1 answer 77 views
Does MathsGee have an area and multiplication simulator?Does MathsGee have an area and multiplication simulator? ...
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The value of a random variable, $\tilde{x}$, is determined by rolling one fair, 6-sided dice. Draw the PDF and CDF of $\tilde{x}$.
0 answers 105 views
The value of a random variable, $\tilde{x}$, is determined by rolling one fair, 6-sided dice. Draw the PDF and CDF of $\tilde{x}$.The value of a random variable, $\tilde{x}$, is determined by rolling one fair, 6-sided dice. Draw the PDF and CDF of $\tilde{x}$. ...
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0 answers 147 views
A random variable, $\tilde{x}$, has a uniform distribution between the values 0 and 1 . Draw the probability density function (PDF) and Cumulative Density Function (CDF) of $\tilde{x}$.A random variable, $\tilde{x}$, has a uniform distribution between the values 0 and 1 . Draw the probability density function (PDF) and Cumulative D ...
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0 answers 100 views
A random variable, $\tilde{x}$, has the PDF, $f_{\tilde{x}}(x)$. Write the equation to compute its total probability (hint: think area under the curve!). What is the answer to the equation?A random variable, $\tilde{x}$, has the PDF, $f_{\tilde{x}}(x)$. Write the equation to compute its total probability (hint: think area under the c ...
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Find the centroid of the area bounded by the parabola $y=x^{2}$ and the line $2 x+3$.
1 answer 266 views
Find the centroid of the area bounded by the parabola $y=x^{2}$ and the line $2 x+3$.Find the centroid of the area bounded by the parabola $y=x^{2}$ and the line $2 x+3$. ...
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Calculate the perimeter of the diagram.
0 answers 84 views
Calculate the perimeter of the diagram. Calculate the perimeter of the diagram. ...
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Calculate the value of $x, y$ and $z$ in the diagram below. Provide reasons for your answers.
1 answer 116 views
Calculate the value of $x, y$ and $z$ in the diagram below. Provide reasons for your answers. Calculate the value of $x, y$ and $z$ in the diagram below. Provide reasons for your answers. ...
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What is the formula for area?
1 answer 59 views
What is the formula for area?What is the formula for area? ...
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A rectangle's length is $(x+2) \mathrm{cm}$ and its width is $4 \mathrm{~cm}$. Write the simplified equation of the area (A).
0 answers 184 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).A rectangle's length is $(x+2) \mathrm{cm}$ and its width is $4 \mathrm{~cm}$. Write the simplified equation of the area (A). ...
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Using the Lower Riemann Sum, the approximate area under the hyperbola $x y=1$ between $x=1$ and $x=2$ divided into $n$ rectangles of equal width is
0 answers 41 views
Using the Lower Riemann Sum, the approximate area under the hyperbola $x y=1$ between $x=1$ and $x=2$ divided into $n$ rectangles of equal width isUsing the Lower Riemann Sum, the approximate area under the hyperbola $x y=1$ between $x=1$ and $x=2$ divided into $n$ rectangles of equal width is & ...
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Calculate the area of the triangle with the vertices $$A(1,-1,2), B(3,1,-1), C(-1,2,5)$$
0 answers 98 views
Calculate the area of the triangle with the vertices $$A(1,-1,2), B(3,1,-1), C(-1,2,5)$$Calculate the area of the triangle with the vertices $$A(1,-1,2), B(3,1,-1), C(-1,2,5)$$ ...
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Find the area of the largest rectangle that can be inscribed between the curve $y=12-x^{2}$ and the $x$-axis.
0 answers 119 views
Find the area of the largest rectangle that can be inscribed between the curve $y=12-x^{2}$ and the $x$-axis.Find the area of the largest rectangle that can be inscribed between the curve $y=12-x^{2}$ and the $x$-axis. ...
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An induction coil is generally used to
1 answer 73 views
An induction coil is generally used toAn induction coil is generally used to ...
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1 answer 186 views
A house is supplied with a $240 \mathrm{~V}$ a.c mains. To operate a door bell rated at $8 \mathrm{~V}$, a transformer is used if the number of turns in the primary coil of the transformer is 900 .A house is supplied with a $240 \mathrm{~V}$ a.c mains. To operate a door bell rated at $8 \mathrm{~V}$, a transformer is used if the number of tu ...
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The graph of the relation $y=x^{2}+2 x+k$ passes through the point $(2,0)$. Find the values of $\mathrm{k}$
1 answer 153 views
The graph of the relation $y=x^{2}+2 x+k$ passes through the point $(2,0)$. Find the values of $\mathrm{k}$The graph of the relation $y=x^{2}+2 x+k$ passes through the point $(2,0)$. Find the values of $\mathrm{k}$ ...
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A map is drawn to a scale of 1:75000. This scale can be expressed as $1cm$ respresents $n \mathrm{~km}$. Find $n$.
0 answers 135 views
A map is drawn to a scale of 1:75000. This scale can be expressed as $1cm$ respresents $n \mathrm{~km}$. Find $n$.A map is drawn to a scale of 1:75000. This scale can be expressed as $1cm$ respresents $n \mathrm{~km}$. Find $n$. ...
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A circle with centre $(-3,1)$ passes through the point $(3,1)$. Find its equation.
1 answer 161 views
A circle with centre $(-3,1)$ passes through the point $(3,1)$. Find its equation.(a) If $f(x)=\frac{2 x-3}{\left(x^{2}-1\right)(x+2)}$ (i) find the values of $x$ for which $f(x)$ is undefined. (ii) express $\mathrm{f}(\mathr ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Find the equation of the line joining the stationary points of \(y=x^{2}(x-3)$ and the distance between them.
1 answer 172 views
Find the equation of the line joining the stationary points of $y=x^{2}(x-3)$ and the distance between them.(a) Simplify : $\frac{1}{1-\cos \theta}+\frac{1}{1+\cos \theta}$ and leave your answer in terms of $\sin \theta$. (b) Find the equation of the li ...
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A curve is given by $y=5-x-2 x^{2}$. Find the equation of its line of symmetry.
1 answer 134 views
A curve is given by $y=5-x-2 x^{2}$. Find the equation of its line of symmetry.A curve is given by $y=5-x-2 x^{2}$. Find the equation of its line of symmetry. A. $x=\frac{-41}{8}$ B. $x=\frac{-1}{4}$ C. $x=\frac{1}{4}$ D ...
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A circle with centre $(4,5)$ passes through the y-intercept of the line $5 x-2 y+6=0$. Find its equation.
1 answer 136 views
A circle with centre $(4,5)$ passes through the y-intercept of the line $5 x-2 y+6=0$. Find its equation.A circle with centre $(4,5)$ passes through the y-intercept of the line $5 x-2 y+6=0$. Find its equation. A. $x^{2}+y^{2}+8 x-10 y+21=0$ B. $x ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 A straight line \(2 x+3 y=6$, passes through the point $(-1,2)$. Find the equation of the line.
1 answer 146 views
A straight line $2 x+3 y=6$, passes through the point $(-1,2)$. Find the equation of the line.A straight line $2 x+3 y=6$, passes through the point $(-1,2)$. Find the equation of the line. A. $2 x-3 y=2$ B. $2 x-3 y=-2$ C. $2 x+3 y=-4 ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Find the coordinates of the centre of the circle \(3 x^{2}+3 y^{2}-4 x+8 y-2=0$
1 answer 93 views
Find the coordinates of the centre of the circle $3 x^{2}+3 y^{2}-4 x+8 y-2=0$Find the coordinates of the centre of the circle $3 x^{2}+3 y^{2}-4 x+8 y-2=0$ A. $(-2,4)$ B. $\left(\frac{-2}{3}, \frac{4}{3}\right)$ C. $\le ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 If \(\mathrm{M}$ and $\mathrm{N}$ are the points $(-3,8)$ and $(5,-7)$ respectively, find $|\mathrm{MN}| ?$
1 answer 120 views
If $\mathrm{M}$ and $\mathrm{N}$ are the points $(-3,8)$ and $(5,-7)$ respectively, find $|\mathrm{MN}| ?$If $\mathrm{M}$ and $\mathrm{N}$ are the points $(-3,8)$ and $(5,-7)$ respectively, find $|\mathrm{MN}| ?$ ...
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A rectangle has a length that is 2 less than 3 times the width. If the area of this rectangle is 16 units, find the dimensions and the perimeter.
1 answer 705 views
A rectangle has a length that is 2 less than 3 times the width. If the area of this rectangle is 16 units, find the dimensions and the perimeter.A rectangle has a length that is 2 less than 3 times the width. If the area of this rectangle is 16 units, find the dimensions and the perimeter. ...
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In order to protect his vegetables, a farmer buys $1748 \mathrm{~m}$ of fencing. Give the dimensions of the vegetable garden if it should cover a maximum area.
1 answer 163 views
In order to protect his vegetables, a farmer buys $1748 \mathrm{~m}$ of fencing. Give the dimensions of the vegetable garden if it should cover a maximum area.In order to protect his vegetables, a farmer buys $1748 \mathrm{~m}$ of fencing. Give the dimensions of the vegetable garden if it should cover a ma ...
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The area of a rectangle is $64 \mathrm{~m}^{2}$. Calculate the length of the sides if the perimeter is at a minimum.
1 answer 173 views
The area of a rectangle is $64 \mathrm{~m}^{2}$. Calculate the length of the sides if the perimeter is at a minimum.The area of a rectangle is $64 \mathrm{~m}^{2}$. Calculate the length of the sides if the perimeter is at a minimum. ...
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The dimensions of a prism is $b \mathrm{~cm}, b \mathrm{~cm}$ and $(60-4 b) \mathrm{cm}$. Determine $b$ if the Volume, $\mathrm{V}$, is a maximum.
1 answer 136 views
The dimensions of a prism is $b \mathrm{~cm}, b \mathrm{~cm}$ and $(60-4 b) \mathrm{cm}$. Determine $b$ if the Volume, $\mathrm{V}$, is a maximum.The dimensions of a prism is $b \mathrm{~cm}, b \mathrm{~cm}$ and $(60-4 b) \mathrm{cm}$. Determine $b$ if the Volume, $\mathrm{V}$, is a maxi ...
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The height of an isosceles triangle is $(18-x) \mathrm{mm}$ and the base is $(20+2 \mathrm{x}) \mathrm{mm}$. Determine $\times$ for a maximum area.
1 answer 223 views
The height of an isosceles triangle is $(18-x) \mathrm{mm}$ and the base is $(20+2 \mathrm{x}) \mathrm{mm}$. Determine $\times$ for a maximum area.The height of an isosceles triangle is $(18-x) \mathrm{mm}$ and the base is $(20+2 \mathrm{x}) \mathrm{mm}$. Determine $\times$ for a maximum ar ...
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Calculate the dimensions of a rectangle with a perimeter of $312 \mathrm{~m}$ for which the area, $\mathrm{V}$, is at a maximum.
1 answer 177 views
Calculate the dimensions of a rectangle with a perimeter of $312 \mathrm{~m}$ for which the area, $\mathrm{V}$, is at a maximum.Calculate the dimensions of a rectangle with a perimeter of $312 \mathrm{~m}$ for which the area, $\mathrm{V}$, is at a maximum. ...
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If $y=a^{x}$ passes through $(2 ; 16)$, calculate the value of $a$.
1 answer 105 views
If $y=a^{x}$ passes through $(2 ; 16)$, calculate the value of $a$.If $y=a^{x}$ passes through $(2 ; 16)$, calculate the value of $a$. ...
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If $y=a^{x}$ passes through $(2 ; 25)$, calculate the value of $a$.
1 answer 89 views
If $y=a^{x}$ passes through $(2 ; 25)$, calculate the value of $a$.If $y=a^{x}$ passes through $(2 ; 25)$, calculate the value of $a$. ...
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If $y=a^{x}$ passes through $(5 ; 32)$, calculate the value of $a$.
1 answer 115 views
If $y=a^{x}$ passes through $(5 ; 32)$, calculate the value of $a$.If $y=a^{x}$ passes through $(5 ; 32)$, calculate the value of $a$. ...
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Measurements are collected from 100 subjects from each of two sources. The data yield the following frequency histograms. The number above each rectangle is its height.
1 answer 240 views
Measurements are collected from 100 subjects from each of two sources. The data yield the following frequency histograms. The number above each rectangle is its height. Measurements are collected from 100 subjects from each of two sources. The data yield the following frequency histograms. The number above each rect ...
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1 answer 197 views
Prove that if a middle lane of a quadrangle is equal to half the sum of its sides, then the quadrangle is a trapezoid, i.e. given a quadrangle $\mathrm{ABCD}$ and the middle of ... Prove that if a middle lane of a quadrangle is equal to half the sum of its sides, then the quadrangle is a trapezoid, i.e. given a quadrangle $\mat ... close 0 answers 220 views Suppose$\mathrm{ABCD}$is a square with side length$(x-1) \mathrm{cm}$. If the area of rectangle$\mathrm{ABFE}$is$\left(x^{2}+x-2\right) \mathrm{cm}^{2}$, then the length of$\mathrm{FC}$, in$\mathrm{cm}$, is Suppose$\mathrm{ABCD}$is a square with side length$(x-1) \mathrm{cm}$. If the area of rectangle$\mathrm{ABFE}$is$\left(x^{2}+x-2\right) \m ...
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A rectangle with length $L$ and width $W$ has a perimeter $P$ given by $P=L+W+L+W$. Simplify this expression.
1 answer 229 views
A rectangle with length $L$ and width $W$ has a perimeter $P$ given by $P=L+W+L+W$. Simplify this expression.A rectangle with length $L$ and width $W$ has a perimeter $P$ given by $P=L+W+L+W$. Simplify this expression. ...
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0 answers 223 views
A photograph with length $L$ and width $W$ is placed in a mat of width 8 centimeters $(\mathrm{cm})$. The area of the mat (in square centimeters, or $\mathrm{cm}^{2}$ ) is found to be $A=(L+16)(W+16)-L \cdot W .$  A photograph with length $L$ and width $W$ is placed in a mat of width 8 centimeters $(\mathrm{cm})$. The area of the mat (in square centimeters, or ...
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The standard normal curve has a total area to be under one, and it is symmetric around zero. True or False?
1 answer 618 views
The standard normal curve has a total area to be under one, and it is symmetric around zero. True or False?The standard normal curve has a total area to be under one, and it is symmetric around zero. True or False? ...
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The sides of a rectangle are positive whole numbers. If its area is $A$ and its perimeter is $P$, which of the following numbers cannot equal $A+P ?$
0 answers 223 views
The sides of a rectangle are positive whole numbers. If its area is $A$ and its perimeter is $P$, which of the following numbers cannot equal $A+P ?$The sides of a rectangle are positive whole numbers. If its area is $A$ and its perimeter is $P$, which of the following numbers cannot equal $A+P ?$ ...
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Find the volume of the solid formed by revolving the region bounded by $y=(x-2)^{2}$ and $y=x$ about the $y$ -axis.
0 answers 227 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.Find the volume of the solid formed by revolving the region bounded by $y=(x-2)^{2}$ and $y=x$ about the $y$ -axis. ...
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