Recent questions in Math

In the triangle below , find the remaining sides

asked Jun 28, 2018 by meena.p

1 answer

If $f(x)=3 \sin x+4 \cos x$ what is $f(\large\frac{\pi}{4})$

asked Jun 28, 2018 by meena.p

1 answer

What can be the coordinates of a points on a unit circle at an angle of $\large\frac{5 \pi}{6}$

asked Jun 27, 2018 by meena.p

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A tree casts a shadow $24\; m$ long and cosin of the angle of elevation from the tip of the shadow to the top of the tree is $\dfrac{4}{5}$ , what is the height of the tree ?

asked Jun 27, 2018 by meena.p

1 answer

If $x \tan 45^{\circ} \cos 60^{\circ} = \sin 60^{\circ} \cot 60^{\circ}$ , then $x$ =_______

asked Jun 27, 2018 by meena.p

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If $\cos \theta = \large\frac{3}{4}$ then the value of $9 \tan ^2 \theta +9$ is ______

asked Jun 27, 2018 by meena.p

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If $2 \mathrm{cosec}^2 30^{\circ} + x \sin^2 60^{\circ}- \large\frac{3}{4}$ $\tan^2 30 =10$ then the value of $x$ is ________

asked Jun 27, 2018 by meena.p

1 answer

A kite is flying attached to a thread which is $165\;m$ long. The thread makes an angle of $30^{\circ}$ with the ground. The height of the kite from the ground is ________

asked Jun 27, 2018 by meena.p

1 answer

From the top of a $50\;m$ high building, the angle of depression of a car on the road is $30^{\circ}$ . The distance between the car and the building is ________

asked Jun 27, 2018 by meena.p

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The height of a tower is $10 \;m$ . Find the length of its shadow when sun's attitude makes an angle of $45^{\circ}$ to the horizontal

asked Jun 27, 2018 by meena.p

1 answer

If $\tan \theta = \large\frac{20}{21}$ then $\large\frac{\cos \theta - \sin \theta}{\cos \theta +\sin \theta}$ is

asked Jun 27, 2018 by meena.p

1 answer

A ladder whose length is 10 m lies on a wall at a height of 5 m. What could be the angle of inclination in radian measure ?

asked Jun 27, 2018 by meena.p

1 answer

In the triangle PQR, the hypotenuse is $1000$ and $\cos \;60^{\circ}= \large\frac{1}{2}$ . What is the length of the side PQ ?

asked Jun 26, 2018 by meena.p

1 answer

The hypotenuse of a triangle as shown in the figure is 25 units . What is its area ?

asked Jun 26, 2018 by meena.p

1 answer

If $\sin x =\large\frac{1}{\sqrt 3}$ , then which of the following must be true ?

asked Jun 26, 2018 by meena.p

1 answer

Find the value of $\cos 30^{\circ}+\sin 30^{\circ}$

asked Jun 26, 2018 by meena.p

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A tree breaks down in a storm and stands in the front as shown in the figure. What is the height of the tree if its tip is 10 m from the bottom?

asked Jun 26, 2018 by meena.p

1 answer

Which of the following angel is coterminal with $750^{\circ}$ ?

asked Jun 26, 2018 by meena.p

1 answer

If $\cot x = \large\frac{24}{7}$ , then what is $\cos x$

asked Jun 26, 2018 by meena.p

1 answer

A particle travels along a unit circle and stops at $\large\frac{7 \pi}{6}$ radius. What will be the coordinate at that point ?

asked Jun 26, 2018 by meena.p

1 answer

Which of the following has the same trigonometric values as $450^{\circ}$ ?

asked Jun 26, 2018 by meena.p

1 answer

Which of the following represents $\large\frac{2\pi}{3}$ radius given in degrees ?

asked Jun 26, 2018 by meena.p

1 answer

Which of the equations below best represents the inequality ?

asked Jun 19, 2018 by meena.p

1 answer

What could be the equation of the straight line for graph ?

asked Jun 19, 2018 by meena.p

1 answer

What could be slope of the graph shown below ?

asked Jun 19, 2018 by meena.p

1 answer

The figure below shows the solution of inequalities. Which of the following is not a solution to the system ?

asked Jun 19, 2018 by meena.p

1 answer

In del-ray Beach, You can take a luxury golf cart ride around the downtown. The driver charges $\$5$ for first $\large\frac{1}{4}$ mole plus $\$2$ for each additional $\large\frac{1}{2}$ mile. Which of the following inequalities represents by the number of miles $m$ that you could ride and not pay more than $\$12$ ?

asked Jun 19, 2018 by meena.p

1 answer

The graph below shows the amount that a high-tech arcade charges its customers ( x-axis represents the number of games played and y-axis represents the cost to play ). What could the y-intercept of this graph represent ?

asked Jun 18, 2018 by meena.p

1 answer

A landscaper buys a new commercial grade lawn mower that cost $\$3000$ . Based on past experience he excepts it to last about $7$ years, and then he can sell it for scrap metal with salvage value amount $\$250$ . Assuming the value of the lawn mower depreciates at a constant rate, which depreciates at a constant rate, which equation could be used to find its approximate value after $x$ years, given that $x <7$

asked Jun 18, 2018 by meena.p

1 answer

If (a,b) represents the solution to the system of equations show in the graph and $a=-6$ then which of the following could be the value for $a+b$ ?

asked Jun 18, 2018 by meena.p

1 answer

A voltage divider is a simple circuit that converts larger voltage into a smaller one. The figure above shows a voltage divider that consists of two resistors that together have a total resistance of $300 \Omega$ . To produce the desired voltage of $350\;volts, R_2$ must be $4 \Omega$ less than thrice $R_1$ solving which of the following system of equation gives the individual resistance for $R_1$ and $R_2$ ?

asked Jun 18, 2018 by meena.p

1 answer

If $\large\frac{3}{5}$ $(5x)+4(x-1)=5(x+1)-2$ what is the value of $x$ ?

asked Jun 18, 2018 by meena.p

1 answer

A magazine publisher has a fixed amount of monthly production cost. If each month, he sells $600$ copies of the magazine, his monthly profit is $\$4800$ and if he sells $450$ copies his monthly profit is $\$2550$ . What are the publisher's monthly production cost ?

asked Jun 15, 2018 by meena.p

1 answer

At what value of $x$ does the graph of the lines $7y-6x=-5$ cross the x-axis ?

asked Jun 15, 2018 by meena.p

1 answer

Which of the following has a positive x intercept and a negative slope ?

asked Jun 15, 2018 by meena.p

1 answer

Which of the following is the graph of the inequality $y <-2x+5$

asked Jun 15, 2018 by meena.p

1 answer

If $2x-7y=12$ and $-8x+3y=2$ , which of the following is the value of $x-y$ ?

asked Jun 15, 2018 by meena.p

1 answer

Veronica is a painter.She charge $\$10$ per job and $\$0.20$ per square foot. If she earned $\$50$ for painting one job , how many square feet did she paint at this job ?

asked Jun 15, 2018 by meena.p

1 answer

Emily took a math test with 20 questions. Each question is worth an equal number of points. The test is worth 100 points in total. If a score of 70 points earns a grade of C, how many questions would Emily need to get right to get atleast a 'C' on the test ?

asked Jun 15, 2018 by meena.p

1 answer

Solve the inequality on the number line $x+11 >13$

asked Jun 15, 2018 by meena.p

1 answer

Solve the inequality $5(4x+3) \geq 9(x-2)-x$

asked Jun 15, 2018 by meena.p

1 answer

If $2 \leq x \leq 11$ and $6 \geq y \geq -4$ , then what is the range of possible values of $x+y$ ?

asked Jun 14, 2018 by meena.p

1 answer

Solve for x $\qquad \qquad \qquad |x-2|=17$

asked Jun 14, 2018 by meena.p

1 answer

If $-5(p+2) < 10p-13$ , then the value 'p' is

asked Jun 14, 2018 by meena.p

1 answer

What is the slope of the line that passes through the origin and point (-3,2) ?

asked Jun 14, 2018 by meena.p

1 answer

Find the missing value in the table where $y=-2x+7$

asked Jun 14, 2018 by meena.p

1 answer

Mona runs a cafeteria and she has cute little cartons of milk. The supplier charge $\$0.45$ per carton of milk, in addition to a delivery charges of $\$75$ . What is the maximum number of milk carton she can buy has if budgeted $\$ 525$ for milk ?

asked Jun 14, 2018 by meena.p

1 answer

Renting the ice-skating rink for a party costs $\$200$ plus $\$4$ per person. If the final charges for Dane's birthday party was $\$324$ , how many people attended his birthday party ?

asked Jun 14, 2018 by meena.p

1 answer

The x and y intercept in the graph below are:

asked Jun 14, 2018 by meena.p

1 answer

The graph below represents the inequality

asked Jun 14, 2018 by meena.p

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