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Math

Linear Equations

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Problem solving and Data Analysis

For the equation $\sqrt{px+4}=x+2$ the value of $p$ is $-2$ , what is the solution set of the above equation ?

asked Nov 18, 2019 by priyanka.clay6

1 answer

The graph below shows $y=2x+1$ . Which of the following graph shows $(2x+1)$

asked Nov 18, 2019 by priyanka.clay6

1 answer

$(i^{100})^{25} =$

asked Nov 18, 2019 by priyanka.clay6

1 answer

asked Nov 18, 2019 by priyanka.clay6

1 answer

A golfer attempts to hit a golf ball over a gorge from a platform above the ground. The function that models the height of the ball is $h(t)= -6t^2+30t+150,$ where $h(t)$ is the height in meters at time $t$ seconds after contact. There are power lines 185 m above the ground. Will the ball hit the power lines?

asked Nov 18, 2019 by priyanka.clay6

1 answer

Tim borrows $\$P$ at the rate of $r\%$ compounded annually. What can be the amount which he has to repay after $t$ year?

asked Nov 18, 2019 by priyanka.clay6

1 answer

If $f(x) = (x-2)^2+4$ , then the value of $f(-2) + f(3)$ is

asked Nov 17, 2019 by priyanka.clay6

1 answer

If $x^2+2xy+y^2=36$ and $y-x=6$ what is the value of $x$ ?

asked Nov 17, 2019 by priyanka.clay6

1 answer

If $2\sqrt{x}=x-3$ , what is the solution set for $x$ ?

asked Nov 17, 2019 by priyanka.clay6

1 answer

asked Nov 17, 2019 by priyanka.clay6

1 answer

If a sector of a circle has arc length of $2\pi$ inches and an area of $6\pi$ sq. inches, what is the length of the radius of the circle ?

asked Nov 17, 2019 by priyanka.clay6

1 answer

Find the mean of the following numbers : $20-2x, \;20-x, \; 20,\;20+x,\;20+2x$

asked Nov 17, 2019 by priyanka.clay6

1 answer

$tx-y=6$ and $vx+2y=18$ . If the graph system of equations above intersect at $(-1,2)$ . What is the value of $\frac{v}{t}$ ?

asked Nov 17, 2019 by priyanka.clay6

1 answer

Leena invests $\$4850$ at $7.6 \%$ as simple interest. If she want the money to increase to $\$8000$ , how long will she need to invest her money ?

asked Nov 17, 2019 by priyanka.clay6

1 answer

A sequence of numbers is given below, what can be its general term ? <br> $\dfrac{1}{6}, \dfrac{1}{3}, \dfrac{1}{2}, \dfrac{2}{3}, ....$

asked Nov 17, 2019 by priyanka.clay6

1 answer

The population of the city of Rochester is growing at an average rate of $5\%$ per year. In 2000 its population was $25,000$ . What is the best estimate of the population in 2020, if the town continues to grow at this rate ?

asked Nov 17, 2019 by priyanka.clay6

1 answer

Elina wanted to build a ramp for her elderly cat, polly walk up to her bed. She needs the ramp to make an angle of $30^\circ$ with the bedroom floor. How long must the ramp be to reach the top of her bed that is exactly three feet above the ground ?

asked Nov 17, 2019 by priyanka.clay6

1 answer

asked Nov 17, 2019 by priyanka.clay6

1 answer

A group of 32 students was polled as to whether they enjoy guitar class, violin class, both or neither. The results were as shown :

asked Nov 17, 2019 by priyanka.clay6

1 answer

In the 1990s the park rangers at Blue stone national park implemented a program aimed at increasing the dwindling coyote population in Montana. Results of the coyote population in the park are shown in the scatter plot below:

asked Nov 16, 2019 by priyanka.clay6

1 answer

What is the value of $'b'$ in the equation given below ?

asked Nov 16, 2019 by priyanka.clay6

1 answer

The below figure shows the graph of $y=f(x)$ . Which of the following could be the $f(x)$ .

asked Nov 16, 2019 by priyanka.clay6

1 answer

If $x^2+12x=64$ and $x>0$ , what is the value of $x$ ?

asked Nov 16, 2019 by priyanka.clay6

1 answer

At a primate reserve, the mean age of all the male primates is 15 years, and the mean age of all female primates is 19 years. Which of the following must be true about the mean age $m$ of all the combined group of male and female primates of the primate reserve ?

asked Nov 16, 2019 by priyanka.clay6

2 answers

The figure below shows the graph of the function $f(x)=-x^2$ . Which of the following graphs represent $f(x)=x^2+3$ ?

asked Nov 16, 2019 by priyanka.clay6

1 answer

A company's estimation of cost $'c'$ which is in dollars of producting $n$ items is $c = 5n+200$ . The company sells each item for $\$10$ . It makes a profit when total income from selling a quantity of items is greater than the total cost of producing that quantity of items. Which of the following inequalities gives all possible values of $n$ for which the manager estimates that the company will make a profit ?

asked Nov 15, 2019 by priyanka.clay6

1 answer

If $-\frac{8}{5} < - (3x+1) < -\frac{7}{8}$ , write one possible value of $3t-4$

asked Nov 15, 2019 by priyanka.clay6

1 answer

The table below shows the no. of sold in craft shops A, B and C. What percent of wooden toys were sold ?

asked Nov 15, 2019 by priyanka.clay6

1 answer

The table below shows the no. of sold in craft shops A, B and C. What was the percentage of toys sold from shop A ?

asked Nov 15, 2019 by priyanka.clay6

1 answer

The table below shows the number of sold in craft shops A, B and C. What function of toys were terracotta and wooden toys in all ?

asked Nov 15, 2019 by priyanka.clay6

1 answer

A system of three equations and then graphs in the $x-y$ plane are shown below. How many solutions does the system have ?

asked Nov 15, 2019 by priyanka.clay6

1 answer

If $9^x.n^2=9^{x+1}.n, \;\;n$ and $x$ are both positive integer. What is the value of $n$ ?

asked Nov 15, 2019 by priyanka.clay6

1 answer

Sedna has a ground which is an irregular quadrilateral as shown in the figure below. Which of the following equation below represents the perimeter of the quadrilateral ?

asked Nov 15, 2019 by priyanka.clay6

1 answer

John spends 2 hours on Tuesday, Thursday and Saturday practicing football. On Monday he practices for 90 minutes and on Friday for 1 hour. What is the median time he spends practicing football in a given week ?

asked Nov 15, 2019 by meena.clay6

1 answer

In the $xy$ plane, the line $l$ is perpendicular in the line described by the equation $\dfrac{1}{2x} + \dfrac{1}{y} = \dfrac{1}{2y}$ , what is the slope of the line ?

asked Nov 15, 2019 by meena.clay6

1 answer

There are 100 people on a line. Michael is the $35^{th}$ person and Ali is the $65^{th}$ person. If a person on line is chosen at random, what is the probability that the person is standing between Michael and Ali ?

asked Nov 15, 2019 by meena.clay6

1 answer

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

asked Nov 15, 2019 by meena.clay6

1 answer

What is the greater of the two numbers whose product is 1600, and the sum of the numbers exceeds their difference by 40 ?

asked Nov 15, 2019 by meena.clay6

1 answer

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

asked Nov 15, 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 Nov 15, 2019 by meena.clay6

1 answer

The following equation represents different curves.

asked Nov 15, 2019 by meena.clay6

1 answer

If $3^4 = 9^x$ , what is the value of $x$ ?

asked Nov 15, 2019 by meena.clay6

1 answer

If $3x+4 =y$ and $y=bx+5$ are equations of perpendicular lines, then what is the value of $b$ ?

asked Nov 15, 2019 by meena.clay6

1 answer

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

asked Nov 15, 2019 by meena.clay6

1 answer

A cylinder with a top and bottom has radius $3x+1$ and height $x-2$ . The simplified expression for its surface area is

asked Nov 13, 2019 by priyanka.clay6

1 answer

A company rents cars for $\$50$ per day plus $\$ 0.15/km$ . The rental cost if you drive $472 \;km$ in one day is

asked Nov 13, 2019 by priyanka.clay6

1 answer

Alex and Mira starts from the same place walking at the rate of 5 miles/hr and 5.5 miles/hr respectively in the same direction. At what time will they be 8.5 miles apart ?

asked Nov 13, 2019 by priyanka.clay6

1 answer

Salma read $\frac{7}{9}^{th}$ of a book in $1^{st}$ week and $\frac{5}{9}^{th}$ of the remaining in the $2^{nd}$ week. If there were 96 pages unread after $2^{nd}$ week. How many pages are there in the book ?

asked Nov 13, 2019 by priyanka.clay6

1 answer

A car travelling with $\frac{2}{3}$ rd of its actual speed, covers 42 miles in 1 hr 30 min 10 sec. What is the actual speed of the car ?

asked Nov 12, 2019 by priyanka.clay6

1 answer

In a certain marketing class, the final grades for each student is determined by deleting the lowest and highest test scores, then averaging the remaining test scores. Kathy took every test and achieved the following scores 71 , 82, 86, 91, 98, 73 and 94. Which of the following is closest to Kathy's final grade in the marketing class ?

asked Nov 12, 2019 by priyanka.clay6

1 answer

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