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Recent questions tagged calculator
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A system of three equations and then graphs in the $x-y$ plane are shown below. How many solutions does the system have ?
sat
math
linear-equations
calculator
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 $n$ ?
sat
math
problem-solving-and-data-analysis
calculator
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 ?
sat
math
linear-equations
calculator
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 ?
sat
math
problem-solving-and-data-analysis
calculator
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 ?
sat
math
linear-equations
calculator
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 ?
sat
math
problem-solving-and-data-analysis
calculator
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 ?
sat
math
lines-angles-and-triangles
calculator
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 ?
sat
math
linear-equations
calculator
asked
Nov 15, 2019
by
meena.clay6
1
answer
The area of the triangle above is 72. What is the value of x?
sat
math
lines-angles-and-triangles
calculator
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
sat
math
linear-equations
calculator
asked
Nov 15, 2019
by
meena.clay6
1
answer
The following equation represents different curves.
sat
math
circles
calculator
asked
Nov 15, 2019
by
meena.clay6
1
answer
If $3^4 = 9^x$, what is the value of $x$ ?
sat
math
problem-solving-and-data-analysis
calculator
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 $b$ ?
sat
math
linear-equations
calculator
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
sat
math
quadratic-equations
calculator
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
sat
math
linear equations
calculator
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 ?
sat
math
problem-solving-and-data-analysis
calculator
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 ?
sat
math
problem-solving-and-data-analysis
calculator
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 ?
sat
math
problem-solving-and-data-analysis
calculator
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 ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Nov 12, 2019
by
priyanka.clay6
1
answer
The number of terms tournaments won by Harry from the year 2000 to 2004 is shown in the figure given below . What was percentage increase from the year 2001 to 2002 ?
sat
math
problem-solving-and-data-analysis
calculator
asked
May 28, 2019
by
meena.clay6
1
answer
The number of terms tournaments won by Harry from the year 2000 to 2004 is shown in the figure given below . What is the ratio of the tournaments won in the year 2000 to that of the tournaments won in the year 2002 ?
sat
math
problem-solving-and-data-analysis
calculator
asked
May 28, 2019
by
meena.clay6
1
answer
If $i=-\sqrt{-1}$ then $\large\frac{(5+i)(5-i)}{3-i}$=
sat
math
linear-equations
calculator
asked
May 28, 2019
by
meena.clay6
1
answer
Find the value of $cosec \bigg(\large\frac{2\pi}{3}\bigg)$
sat
math
trigonometry
calculator
asked
May 28, 2019
by
meena.clay6
1
answer
Which of the following equation is not that of the circle whose center is $(-4, -6)$ and radius $6$ ?
sat
math
circles
calculator
asked
May 22, 2019
by
meena.clay6
1
answer
In the given fig. $AB||DE$, find the value of $x$ <br>
sat
math
lines-angles-and-triangles
calculator
asked
May 22, 2019
by
meena.clay6
0
answers
Let $f(x)=x^2-4x+2$ and $g(x)=6-x$ what is $f(g(x))$?
sat
math
quadratic-equations
calculator
asked
May 22, 2019
by
meena.clay6
1
answer
If the area of the shaded region is $K \pi$ and radius of circle is 3 units, what is the value of K ?
sat
math
circles
calculator
asked
May 22, 2019
by
meena.clay6
1
answer
If the area of the shaded region is $K \pi$, what is the value of K
sat
math
problem-solving-and-data-analysis
calculator
asked
May 21, 2019
by
meena.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 ?
sat
math
lines-angles-and-triangles
calculator
asked
May 8, 2019
by
meena.clay6
1
answer
The graph below represents the profit 'P' of a bicycle company in thousands, for the year 2016.
sat
math
linear-equations
calculator
asked
May 7, 2019
by
meena.clay6
1
answer
The axis of symmetry for $f(x)=2x^2-7x+20$ is
sat
math
quadratic-equations
calculator
asked
May 7, 2019
by
meena.clay6
1
answer
$(x^3-7x+12) \div (x-3)(x-5)=$
sat
math
linear-equations
calculator
asked
May 3, 2019
by
meena.clay6
1
answer
Which of the following is equivalent to the expression given below$\qquad \qquad \qquad \qquad x^2+3x+5=x^4+2x^2+6x-6$
sat
math
quadratic-equations
calculator
asked
May 3, 2019
by
meena.clay6
2
answers
Solve the problem and enter your answer in the grid, as described below on the answer sheet. <br><br> If $2a = 3b$ and $5b = 3c$, what is the ratio of $a $ to $c$ ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Apr 30, 2019
by
priyanka.clay6
1
answer
Solve the problem and enter your answer in the grid, as described below on the answer sheet. <br><br>
sat
math
lines-angles-and-triangles
calculator
asked
Apr 30, 2019
by
priyanka.clay6
1
answer
A rectangle whose length is 10 units and width is inscribed in a circle. What is the radius of the circle ?
sat
math
circles
calculator
asked
Apr 30, 2019
by
priyanka.clay6
1
answer
$P(x) = \dfrac{x-5}{(x^2-7x+12)}$ <br><br> For what value of $x$ is the function undefined ?
sat
math
quadratic-equations
calculator
asked
Apr 30, 2019
by
priyanka.clay6
1
answer
The coordinates of $\Delta ABC$ are $A(0,0), \;B(8,0)$ and $C(3,5)$. What is the sum of the slopes of the three sides of the triangle ?
sat
math
linear-equations
calculator
asked
Apr 30, 2019
by
priyanka.clay6
1
answer
One pound of oranges cost $\$3$, how many dollars will $x$ pound of oranges cost ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Apr 30, 2019
by
priyanka.clay6
1
answer
If $f(x) = x^3 + 3x$ , What is $f(2) + f(-2)$ ?
sat
math
quadratic-equations
calculator
asked
Apr 30, 2019
by
priyanka.clay6
1
answer
In the figure $PT$ and $QT$ are the equal tangents of the circle with center $O$. The length $OT$ is twice that of the radius. What is the length of the tangents if the radius is 5 units ?
sat
math
circles
calculator
asked
Apr 29, 2019
by
priyanka.clay6
1
answer
In the given figure what is the area of the $\Delta PQR$ ?
sat
math
linear-equations
calculator
asked
Apr 29, 2019
by
priyanka.clay6
1
answer
For a polynomial $p(x)$, the value of $p(4) $ is $-3$. Which of the following must be true of $p(x)$ ?
sat
math
quadratic-equations
calculator
asked
Apr 29, 2019
by
priyanka.clay6
1
answer
A biology class at Troy high school predicted that the local population of animals double in every 10 years. The population at the beginning of 2012 was estimated to be 40 animals. If $P$ represents population $n$ years after 2012, then which of the following equation represents the classes model of the population over time ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Apr 29, 2019
by
priyanka.clay6
1
answer
In the $xy$ plane, the point $(a,b)$ lies on the line with the equation $y = x+c$ where $c$ is a constant. The point with coordinate $(3a,2b)$ lies on the line with equation $y=3x+c$. If $a \neq 0$. What is the value of $\frac{b}{a}$ ?
sat
math
linear-equations
calculator
asked
Apr 29, 2019
by
priyanka.clay6
1
answer
What is the greatest value of $x$ that is the solution of the following equation ?
sat
math
linear-equations
calculator
asked
Apr 29, 2019
by
priyanka.clay6
1
answer
Which of the following equation is not that of the circle whose center is $(-4, -6)$ and radius $6$ ?
sat
math
circles
calculator
asked
Apr 29, 2019
by
priyanka.clay6
1
answer
Lines $x$ and $y$ are parallel to each other as shown in the figure.What can be the value of $b-a$ ?
sat
math
lines-angles-and-triangles
calculator
asked
Apr 28, 2019
by
priyanka.clay6
1
answer
Liza is a math teacher. She wrote three consecutive even numbers on the board. She then multiplied the first by 2, the second by 3 and the third by four. Finally she added all the numbers and got the sum as 394. What was the smallest number she wrote ?
sat
math
linear-equations
calculator
asked
Apr 28, 2019
by
priyanka.clay6
1
answer
If $3 (\sqrt{x} + 1) = \sqrt{x} + 23$, then $x=$
sat
math
linear-equations
calculator
asked
Apr 28, 2019
by
priyanka.clay6
1
answer
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