Recent questions and answers in Linear Equations

Charlene earns $\$150$ more per week than her roommate Kristi, who earns $\$200$ less than her other roommate Sacha. Together the three friends earn $\$2050$ per week. How much does each girl earn per week ?

answered Jul 9, 2020 by vijisuchy1963

1 answer

A line intersects the $y$ axis and $x$ axis at the points $P$ and $Q$ respectively. If $(2,-5)$ is the mid point of $PQ$, then the coordinates of $P$ and $Q$ are

answered Apr 18, 2020 by pkiran3639

2 answers

Which of the following ordered pairs $(x,y)$ satisfies the system of inequalities below ? $\qquad y \leq 2x+3$ $\qquad x+y>3$

answered Jan 11, 2020 by priyanka.clay6

1 answer

The $n^{th}$ term of a sequence is $7(n+5)$. Which is the first term to be larger than $100 $ ?

answered Jan 8, 2020 by priyanka.clay6

1 answer

Which of the following equation can be the perpendicular to the equation $4x+5y=8$

answered Jan 8, 2020 by priyanka.clay6

1 answer

What can be the equation for the graph given below ?

answered Jan 7, 2020 by priyanka.clay6

1 answer

If $m^2-4n^2=32$ and $m+2n=8$, what is the value of $m-2n?$

answered Jan 7, 2020 by priyanka.clay6

1 answer

The area of the triangle formed by the points $A(2,0), \;B(6, 0)$ and $C(4,6)$ is

answered Jan 7, 2020 by priyanka.clay6

1 answer

answered Jan 6, 2020 by priyanka.clay6

1 answer

Line $m$ has the equation $y=3x+5$ and line $n$ has the equation $y=2x+(k-1).$ If these two lines intersect t the point $(0,1)$. What is the value of $k$ ?

answered Jan 6, 2020 by priyanka.clay6

1 answer

Tim wants to rent a car. The rental cost for the car is $\$ 40$ per day and he has to pay for the immance which costs $\$5$. Tim wants to spend no more than $\$280$ for car and the immance. If the car rental is available only for a whole number of days. What is the maximum number of days for which Tim can rent the car ?

answered Jan 6, 2020 by priyanka.clay6

1 answer

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

answered Jan 6, 2020 by priyanka.clay6

1 answer

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

answered Jan 3, 2020 by priyanka.clay6

1 answer

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

answered Jan 3, 2020 by priyanka.clay6

1 answer

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

answered 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 $B$ ?

answered 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 ?

answered Jan 3, 2020 by priyanka.clay6

1 answer

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

answered Dec 22, 2019 by priyanka.clay6

1 answer

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

answered Dec 22, 2019 by priyanka.clay6

1 answer

Equation of a line is given by $y=ax+b,$ if a line is drawn parallel to this line,which of the following can be its equation.

answered Dec 19, 2019 by priyanka.clay6

1 answer

Which of the following ordered pairs $(x,y)$ satisfies the inequality $5x-3y<4 ?$ $\qquad (i) (1,1) \qquad (ii) (2,5) \qquad (iii) (3,2)$

answered Dec 19, 2019 by priyanka.clay6

1 answer

Which of this is equivalent to the one given below ? $\qquad(4x^3+3x^2-2) - (2x^2-x+1)$

answered Dec 19, 2019 by priyanka.clay6

1 answer

A rental taxi in a city charges $\$10$ for first mile and adds $\$4 $ per mile for subsequent distance covered which of the following graph represents this ?

answered Dec 19, 2019 by priyanka.clay6

1 answer

The linear equation that converts Farenheit (F) to Celcius (C) is given by the relation $ \qquad \qquad C = \large\frac{5F-160}{9}$ If the temperature is $35^{\circ}C$, what is the temperature in Farenheit ?

answered Dec 18, 2019 by priyanka.clay6

1 answer

If $7x+9y=42$ and $9x+7y=22$, then find the value of $x+y$

answered Dec 18, 2019 by priyanka.clay6

1 answer

If the lines $3x+2y+7=0$ and $4x+ky+18=0$ intersect at a point, then the values of $k$ is

answered Dec 17, 2019 by priyanka.clay6

1 answer