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Recent questions tagged no-calculator

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

asked Nov 15, 2019 by meena.clay6

1 answer

The following equation 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> The coordinates of the x-intercept which lies on the curve (b) is

asked May 28, 2019 by meena.clay6

1 answer

In a right triangle , $\large\frac{1}{4}$ of the length of the longer leg is equal to $\large\frac{3}{5}$ of the length of the shorter leg. What is the ratio of length of the hypotenuse to the length of the shorter leg?

asked May 23, 2019 by meena.clay6

1 answer

In the below figure What is the value of h ?

asked May 13, 2019 by meena.clay6

1 answer

The number of marbles in Ria's collection is $75\%$ of the number in Fred's collection. If Fred has 75 more marbles than Ria, how many do they have altogether ?

asked May 13, 2019 by meena.clay6

1 answer

If $x^2+1 <5$ and $3x^2+4 > 5$ .What is the one possible range of x ?

asked May 13, 2019 by meena.clay6

1 answer

If $x^{-4}=\large\frac{1}{64x}$, which is one possible value of x?

asked May 13, 2019 by meena.clay6

1 answer

Five people shared a prize of $\$150$. Each one received a whole number of dollars and no two people received the same amount. If the largest share $\$40$ and smallest share was $\$20$ , what is the most money that the person with the third largest share could have received ?

asked May 13, 2019 by meena.clay6

1 answer

If $a=5$ and $ b=-3$, what is the value of $\large\frac{2a+3b}{5b}$ ?

asked May 13, 2019 by meena.clay6

1 answer

If x varies inversely with Z, and if y and z are both 20 When $x=4$ what is the value of y+x when $x=5$

asked May 10, 2019 by meena.clay6

0 answers

If $i=\sqrt{-1}$ then what is the value of $(i)^{128}$

asked May 10, 2019 by meena.clay6

1 answer

The area of the triangle above is 72. What is the value of x?

asked May 10, 2019 by meena.clay6

1 answer

$25\%$ of 800 is equal to $20\%$ of what number ?

asked May 9, 2019 by meena.clay6

1 answer

What is the greater of the number what product is 1600, if the sum of the number exceeds their difference by 4?

asked May 9, 2019 by meena.clay6

1 answer

$\Delta XYZ$ is a right angled triangle , right angled at Y as shown in figure . What is the value of the difference of $\sin 60^{\circ}$ and $\cos 30^{\circ}$ if the ratio of the sides are $1: \sqrt 3:2$

asked May 8, 2019 by meena.clay6

1 answer

There are 100 people in a line. Sandy is the 40th person and Enai is the 67th person. If person on line is chosen at random, what is the probability that the person is standing between Sandy and Enai ?

asked May 7, 2019 by meena.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 May 7, 2019 by meena.clay6

1 answer

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

asked May 7, 2019 by meena.clay6

1 answer

If $a+b=30$ and $a-b=6$ What is the value of $a^2+b^2$?

asked May 7, 2019 by meena.clay6

1 answer

What is the area of triangle whose hypothesis 13 and one of the side is 12?

asked May 7, 2019 by meena.clay6

0 answers

A pool can hold 30,000 gallons of water. If is $\frac{1}{4}^{th}$ full. A pump can deliver $'g'$ gallons of water every $m$ minute. If the pumping company charges $'d'$ dollars per minutes, how much will it cost in dollars to fill the pool ?

asked May 7, 2019 by meena.clay6

1 answer

If the average of x,y and 12 is 80, What is the average of x and y

asked May 7, 2019 by meena.clay6

0 answers

A function f is defined by $f(x)=x^2$ what is the value of $y$ if $y$ is a positive integer such that $\large\frac{1}{2}$$f(y)=6$ ?

asked May 7, 2019 by meena.clay6

1 answer

Time taken to paint a wall is inversely proportional to the number of painters working on it. If it takes 4 painters 6 days to complete the job, how many days longer will it take if there are only 3 painters working ?

asked May 7, 2019 by meena.clay6

1 answer

For any number $a$ and $b$ , if $a+b$ is defined as $(a^2+b^2)+(a+b)$ what is the value of $5+7$ ?

asked May 7, 2019 by meena.clay6

1 answer

For any number a and b , $a+b$ be defined to in $(a^2+b^2)+(a+b)$ what is the value of $5+7$

asked May 7, 2019 by meena.clay6

0 answers

If $x+y=18$ and $2x+by=6$ what can be the value of $b$ so that system has an unique solution

asked May 7, 2019 by meena.clay6

1 answer

Solve: $\large\frac{(2+3i)(2-3i)}{1-i}=$

asked May 7, 2019 by meena.clay6

1 answer

Reena rides her bike to and from school. It takes more than 5 minutes and less than seven minutes to bike the first three blocks to school, and she is able to get to school in less than 20 minutes . If x represents the number of minutes it takes Reena to ride the first three blocks to school and y the remaining distance, which of the following system of inequalities models the word problem

asked May 3, 2019 by meena.clay6

1 answer

If $\large(a^2)^{\normalsize{1/3}} \large (a^5)^{\normalsize{1/3}}=a^n$ then what is the value of $n$ ?

asked Apr 29, 2019 by meena.clay6

1 answer

If $f(x) = x^3+\sqrt{x}$ and $g(x)=f(4x)$ , what is the value of $g(4)$?

asked Apr 29, 2019 by meena.clay6

1 answer

The sum of two numbers is 18 and their difference is 4. what is their product ?

asked Apr 29, 2019 by meena.clay6

1 answer

If $\bigg(\large\frac{1}{x}+x \bigg)^2$$=36$, what is the value of $\large\frac{1}{x^2}+x^2$ ?

asked Apr 29, 2019 by meena.clay6

1 answer

$\large\frac{2x+5}{33}=\frac{x-5}{11}$ what is the value of x ?

asked Apr 29, 2019 by meena.clay6

1 answer

$25$ students attended by an exam conducted an university. But only $32\%$ of them managed to pass. How many students failed in the exam ?

asked Apr 29, 2019 by meena.clay6

1 answer

$\large\frac{1}{10}$th of the total ducks are swimming in a pond and $\large\frac{1}{5}$th of the total ducks are moving on the grass surrounding the pond. If the count of ducks outside the pond and grass are $28$, what is the total number of ducks ?

asked Apr 29, 2019 by meena.clay6

1 answer

In a chocolate factory 100 pounds of chocolate were being divided into packages each weighing 3.5 pounds. How many pounds of chocolate were used when there is'nt enough to make another whole package ?

asked Apr 29, 2019 by meena.clay6

1 answer

In the fig below, given line l is parallel to line $m$, what can be the value of $P$ ?

asked Apr 12, 2019 by meena.clay6

1 answer

In the XY plane above , O is the center of the circle. The measure of $\angle AOX$ is

asked Apr 12, 2019 by meena.clay6

1 answer

The x - intercept of the graph given below is :

asked Apr 10, 2019 by meena.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> equation (a) represents

asked Apr 10, 2019 by meena.clay6

1 answer

Two lines $x$ and $y$ are parallel to each other . $\angle 1=15^{\circ}$ and $\angle 3=250^{\circ}$ what is the value of $\angle 2$ ?

asked Apr 9, 2019 by meena.clay6

1 answer

The sales of laptop in a leading shop in shown in the graph below.It shows the increase and decrease of sales in different years. In which year range are sales strictly increasing and then decreasing ?

asked Apr 9, 2019 by meena.clay6

1 answer

Two points AB and CD are to be planter on a lakebed, Which is represented by a sketch below. The lengths AO,BO,OD and CD are given by 1500 ft, 1000 ft, 500 ft and 250 ft respectively. The segments AD and BC intersect at O. $\angle BAO$ and $\angle CDO$ have same measurement . What can be the value of x

asked Apr 9, 2019 by meena.clay6

1 answer

$3x(x+5) + 2(2x-5) = ax^2+bx+c$ <br> 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

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