Recent questions in Math

Value for $((i^4)^8)^{10}$ is

asked Apr 7, 2019 by priyanka.clay6

1 answer

The solution for $3x^2 - 5x+2=0$ is

asked Apr 7, 2019 by priyanka.clay6

1 answer

$2(5x+8) < 100 - 4x$ implies

asked Apr 7, 2019 by priyanka.clay6

1 answer

The equation of a line that goes through the point $(-1, 3)$ and has a slope of $\frac{1}{3}$ is

asked Apr 7, 2019 by priyanka.clay6

1 answer

Jill has 99 pennies, 25 nickels and 20 quarters. What was the total amount in dollars ?

asked Apr 7, 2019 by priyanka.clay6

1 answer

A spherical metal ball whose radius is $21\; cm$ is melted to make smaller balls each of radii $0.7\; cm$. How many balls can be made from the bigger ball ?

asked Apr 7, 2019 by priyanka.clay6

1 answer

Charlie had a garden in the shape of a triangle. The sides of the garden were 2 miles, 3 miles and 5 miles. The area of the garden is 45 square miles. How far is it from the middle of the five mile long side to the intersection of the other two sides ?

asked Apr 7, 2019 by priyanka.clay6

1 answer

In a laboratory, students were to do an experiment to find the elongation of springs. When one end of the spring is attached to a ceiling with an object of mass $'m'$ kg attached to the other end of the spring, the spring stretches to a length of $l$ centimeter as shown in the equation below. What is the value of $m$ when $l$ is $75$ ? $\qquad \qquad \qquad l = 21 + 2.5 m$

asked Apr 7, 2019 by priyanka.clay6

1 answer

A quality control manager of a factory finds 10 imperfect screws out of every 100 screws produced. At this rate, how many screws will be imperfect if the factory produces 20,000 screws ?

asked Apr 7, 2019 by priyanka.clay6

1 answer

A planetarium is spherical in shape with a diameter of $30\;m$. What can be its volume ?

asked Apr 6, 2019 by priyanka.clay6

1 answer

Allen scripts his show for 10 minutes and makes it available for downloading and streaming. He earns $ \$0.08$ each time his show is downloaded and $\$0.002$ each time it is streaming. Which of the following expression represents the amount in dollars, he earns if the show is downloaded $d$ times and streamed $s$ times?

asked Apr 6, 2019 by priyanka.clay6

1 answer

$3x(x+5) + 2(2x-5) = ax^2+bx+c$ In the above equation, $a, \; b$ and $c$ are constants. If the equation is true for all values of $x$, then what is the value of $c$ ?

asked Apr 5, 2019 by priyanka.clay6

1 answer

The universal Gravitation constant $'G'$ is directly proportional to the product of the masses $m_1$ and $m_2$ and inversely proportional to the square of the distance between them ( $r$ ). The correct way of representing this is

asked Apr 5, 2019 by priyanka.clay6

1 answer

In Billy's $5^{th}$ grade class, the test scores for the final math exam were $87, \; 54, \; 77, \; 92, \; 96, \; 90, \; x$ and $85$. What is the value of $x$ if the median of the test scores is $83$ ?

asked Apr 5, 2019 by priyanka.clay6

1 answer

$(x+3)^2 + (y-2)^2 = 25$ is the equation of a circle, the centre of the circle lies in

asked Apr 5, 2019 by priyanka.clay6

1 answer

If $f(x) =x^2 +3$ and $g(x)$ is a transformation of $f(x)$ when its graph is moved 2 units up and 5 units to the left, then what is $g(x)$ ?

asked Apr 5, 2019 by priyanka.clay6

1 answer

The axis of symmetry for the function $ f(x) = x^2 -5 +6x$ is

asked Apr 5, 2019 by priyanka.clay6

1 answer

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

asked Apr 4, 2019 by priyanka.clay6

1 answer

$\qquad\qquad \qquad x-y=0$ $\qquad\qquad \qquad2x+3y=5$ 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

A jar contains red and white marbles $35 \%$ of the marbles are red. If the average weight of a red marble is $35$ gram, and the average weight of a white marble is $50$ grams. What is the average weight in grams, of all the marbles in the jar ?

asked Apr 3, 2019 by priyanka.clay6

1 answer