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Recent questions tagged no-calculator

If a complex number coincides with its conjugate then the number must lie on

asked Apr 5, 2019 by priyanka.clay6

1 answer

If $f(x) = 4x+7$ and $g(x) = x^2 + 3$ then $f(g(x))$ is

asked Apr 5, 2019 by priyanka.clay6

1 answer

If $\begin{align}\frac{a^{x-2}}{a^{y+2}} = a^4 \end{align}$ then $x-y$ is

asked Apr 5, 2019 by priyanka.clay6

1 answer

Solve for $x : 4^{x+5} = 8^{2x+4}$

asked Apr 5, 2019 by priyanka.clay6

1 answer

The equation of line 1 is $y=3x+4$ and the equation of line 2 is $3y = 9x+12$. The relationship between the two lines is

asked Apr 5, 2019 by priyanka.clay6

1 answer

The following equations represents different curves. <br> $(a)\; x+4y =9 \qquad (b)\; y^2 = 8(x+3) \qquad (c)\; x^2+y^2 + 2x+3y+8=0$ <br><br> Question : The coordinates of the point which lies on the curve $(b)$ is

asked Apr 4, 2019 by priyanka.clay6

1 answer

$\qquad\qquad \qquad x-y=0$ <br> $\qquad\qquad \qquad2x+3y=5$ <br> Which of the following ordered pain $(x,y)$ satisfies the above system of equation.

asked Apr 4, 2019 by priyanka.clay6

1 answer

If $4x+8=9$, what is $12x+24$ ?

asked Apr 4, 2019 by priyanka.clay6

1 answer

The value for $\frac{1-i}{1+i} $ is

asked Apr 4, 2019 by priyanka.clay6

1 answer

Solve: $\tan \bigg(\large\frac{5 \pi}{3}\bigg)$ equals

asked Apr 2, 2019 by meena.clay6

1 answer

If $x= 10 \sqrt 2$ and $3x=\sqrt {2y}$ find the value of $y$

asked Feb 26, 2019 by meena.clay6

1 answer

In a right triangle, one angle measures $x^{\circ}$ where $\sin x^{\circ}=\large\frac{3}{5}$. What is $\tan (90^{\circ}-x) $ ?

asked Feb 26, 2019 by meena.clay6

1 answer

If $a+b=7$ and $3a+b=-9$, what is the value of $b$ in the above system of equations ?

asked Feb 26, 2019 by meena.clay6

1 answer

If $4x-y=12$, what is the value of $\Large\frac{16^x}{2^y}$ ?

asked Feb 26, 2019 by meena.clay6

1 answer

If $(ax+6)(bx+3) =10x^2+cx+5$ for all values of $x$ , and $a+2b=4$, what is the possible value for $c$ ?

asked Feb 26, 2019 by meena.clay6

1 answer

If $x > -1$ which of the following is equivalent to $\large\frac{1}{x+1}+\frac{2x+1}{3}$

asked Feb 26, 2019 by meena.clay6

1 answer

For the function $f$ defined below <br> $\qquad \qquad f(x) =c(x+1)-20$ <br>Where $c$ is a constant and $ f(3)=4$ . Find the value of $f(-3)$

asked Feb 25, 2019 by meena.clay6

1 answer

The equation of a line which lies in the $XY$ plane is given by $x-3y=6$. The slope of the line is

asked Feb 25, 2019 by meena.clay6

1 answer

$a=5+0.25\;x \\ b=2.5+0.15\;x$ <br>In the equation above , a and b represents the price per pound in dollars , of apples and oranges respectively, $x$ weeks after January 1 during last winter . What it was the price per pound of oranges when it was equal to price per pound of apples ?

asked Feb 25, 2019 by meena.clay6

1 answer

The solution for $4x+2y=7$ and $y-3x=4$ is

asked Feb 25, 2019 by meena.clay6

1 answer

Given $\large\frac{x}{y}$$=8$. What is the value of $\large\frac{3x}{4y}$?

asked Feb 25, 2019 by meena.clay6

1 answer

The volume of a frustum of a cone is given by $V=\large\frac{1}{3} $$ \pi h \{ r_1^2+r_1r_2+r_2^2\}$ Where $'V' $ is the volume , $'h'$ is the height of the frustum $r_1$ and $r_2$ are respectively the upper and lower radii of the frustum of cone. which of the following gives $h$ in terms of $v, r$ and $r_2$?

asked Feb 25, 2019 by meena.clay6

1 answer

$(4x^3y+4x^2z-3x^2)+(x^3y-2x^2-5x^2z)$ <br>is equivalent to :

asked Feb 25, 2019 by meena.clay6

1 answer

$P=4t+10$ In a pottery shop , the seller sets his target as given in the above equation, where $P$ is the amount in dollars he earns and $'t'$ is the number of toys he makes each day . Based on this what can be the estimated increase in the amount each week ?

asked Feb 25, 2019 by meena.clay6

1 answer

Steve is a repair technician for a laptop company . Each week he receives a set of laptops to be repaired . The number of laptop that is left to be fixed at each day can be estimated by the equation . $l= 105 - 21d$ , where $l$ is the number of laptops left and $d$ is the number of days she has worked that week. What is the meaning of the value of 105 in this equation ?

asked Feb 18, 2019 by meena.clay6

1 answer

On sunday evening kathy sent $x$ text message each hour for 3 hours and Arnold sent $y$ text message each hour for 5 hours . Which of the following represent the total number of message sent by kathy and Arnold on sunday evening ?

asked Feb 18, 2019 by meena.clay6

1 answer

For $i= \sqrt {-1}$ , find the value of $(3+i)(3-i)$

asked Feb 18, 2019 by meena.clay6

1 answer

If $\large\frac{a-3}{4}$ = $k$ and $k=4$ what is the value of $a$

asked Feb 18, 2019 by meena.clay6

1 answer

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