Recent questions in Math

If $\large\frac{1}{2} (3x+y)=\large\frac{15}{2}$ and $y = 3x$ , what is the value of $x$ ?

asked Jan 6, 2020 by priyanka.clay6

1 answer

Mathew traveled a distance of 61 miles in 9 hours. He traveled partly on foot at 4 miles/hr and partly by bicycle at 9 miles/hr. What is the distance traveled on foot ?

asked Jan 6, 2020 by priyanka.clay6

1 answer

If $n$ is a positive integer such that $\frac{n !}{(n-2)!} = 342$ , find $n.$

asked Jan 6, 2020 by priyanka.clay6

1 answer

ABC is an isosceles triangle whose side have length 5 and 6. What can be the area triangle ABC, if the altitude from the base of ABC is an integer ?

asked Jan 6, 2020 by priyanka.clay6

1 answer

$\begin{align} \frac{(x^a)^b}{x^cx^d} =x^y\end{align}$ . Then $y=?$

asked Jan 6, 2020 by priyanka.clay6

1 answer

If $x^{y/4}=81,$ what is the value of $b$ ? Where $x$ and $y$ are positive integer.

asked Jan 5, 2020 by priyanka.clay6

1 answer

$3(3\sqrt{3} \times 2\sqrt{2}) =$

asked Jan 5, 2020 by priyanka.clay6

1 answer

$3x^2-4x=p$ , where $p$ is a constant. What can be the value of $p$ if the equation above does not have real roots.

asked Jan 5, 2020 by priyanka.clay6

1 answer

The vertex of the parabola in the $x-y$ plane above is $(0,c)$ . Which of the following is true about the parabola with the equation $y=a(x-b)^2+c ?$

asked Jan 5, 2020 by priyanka.clay6

2 answers

If $3x+2 \leq 9 \leq x+3$ , which of the following graphs represent this inequality.

asked Jan 3, 2020 by priyanka.clay6

1 answer

Given $f(x)=x^3-3$ and $g(x)=x+2.$ What is $f(g(2))?$

asked Jan 3, 2020 by priyanka.clay6

1 answer

If $x=\frac{3}{2}y$ and $y=6$ , what is the value of $3x-2?$

asked Jan 3, 2020 by priyanka.clay6

1 answer

Salim has two kinds of food nutrients to add to a health drink. Nutrient A has $60\%$ filler materials by weight and Nutrient B has $40\%$ filler materials by weight. When added together, they had 240 pounds. Which equation models this relationship, where $x$ is the number of pounds of nutrient $A$ and $y$ is the number of pounds of nutrient $B$ ?

asked Jan 3, 2020 by priyanka.clay6

1 answer

If $i=\sqrt{-1},$ then what is the value of $(i)^{729}$

asked Jan 3, 2020 by priyanka.clay6

1 answer

If $x^2+y^2=16$ , and $xy=4$ , what can be the value of $x+y$ ?

asked Jan 3, 2020 by priyanka.clay6

1 answer

Christy rented a car. She has to pay $\$ x$ for the first 10 miles and thereafter $\$2.50$ for every mile. If she had travelled $y$ miles. What would be the total cost she has to pay ?

asked Jan 3, 2020 by priyanka.clay6

1 answer

Volumes of two spheres are in the ratio $2:3$ , what can be the ratio of their radii ?

asked Jan 3, 2020 by priyanka.clay6

1 answer

In the figure given below, $\angle{APB}=75^{\circ}$ and $AP,BP$ are equal tangents. Find $x^{\circ}$

asked Jan 3, 2020 by priyanka.clay6

1 answer

If $\sin^2 \theta+ \cos^2 \theta = 1$ , then what is $\sec \theta$ in terms of $\sin \theta$ ?

asked Jan 1, 2020 by priyanka.clay6

1 answer

In the diagram below $\Delta ABC$ , where $AB=AC$ , find $x$

asked Jan 1, 2020 by priyanka.clay6

1 answer

Which of the following values is equivalent to $(125)^{4/3}?$

asked Jan 1, 2020 by priyanka.clay6

1 answer

$O$ is the centre of the circle. Find $x$ .

asked Dec 22, 2019 by priyanka.clay6

1 answer

Horse power and watts are units of power. They are directly proportional such that 5 horse power is equal to 3730 watts. How much power in watts is equal to 2 horse power ?

asked Dec 22, 2019 by priyanka.clay6

1 answer

If $i=\sqrt{-1},$ then find the value of $(i^{89}+i^{72})^3$

asked Dec 22, 2019 by priyanka.clay6

1 answer

ABC is a right angled triangle, right angled at $C$ . If $CB= 3\;cm$ and the length are $3cm,\;4 cm\;$ and $5\;cm$ , which trigonometric ratio of $\angle A$ is greatest ?

asked Dec 22, 2019 by priyanka.clay6

1 answer

A rectangular box has dimensions $x,\;x+1,\;x+2.$ If the dimensions are doubled what can be its surface area.

asked Dec 22, 2019 by priyanka.clay6

1 answer

Simplify : $\large(\frac{3x}{2}) \div (\frac{x^3}{5})$

asked Dec 22, 2019 by priyanka.clay6

1 answer

Two functions are given as $f(x)=x^2-3x$ and $g(x)=1-2x$ . Then $f(g(x)) =$

asked Dec 22, 2019 by priyanka.clay6

1 answer