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Recent questions tagged calculator
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Catherine scored 95, 87, 90 in three of her four math tests. If her average score for all four test was 90, what did she score on her fourth test ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Apr 2, 2019
by
priyanka.clay6
1
answer
What is the measure of the central angle for the sector for the sector for representing medicare expenses ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Apr 2, 2019
by
priyanka.clay6
1
answer
If $|2x+1| = 2 |K+x|$, for all values of $x$, what is the value of $|K|$ ?
sat
math
linear-equations
calculator
asked
Apr 2, 2019
by
priyanka.clay6
1
answer
If $a = 50(99)^{99} + 20(99)^{99}, \; b = 99^{100} $ and $c = 90(90)^{99}$, then which of the following expresses the correct ordering of $a, \; b$ and $c$.
sat
math
linear-equations
calculator
asked
Apr 2, 2019
by
priyanka.clay6
1
answer
If $\frac{2}{3}$ of the seats at a football stadium were filled in the beginning of the game, and at halftime 1000 spectators left, leaving $\frac{3}{7}$ of the seats filled, what is the total number of seats in the stadium ?
sat
math
linear-equations
calculator
asked
Apr 2, 2019
by
priyanka.clay6
1
answer
If the complex number $A$ satisfies the equation $A(3-i) = 2 + i$, where $i = \sqrt{-1}$, what is the value of $A$.
sat
math
trigonometry & complex number
calculator
asked
Apr 1, 2019
by
priyanka.clay6
1
answer
If $2^{3x+2} = 64$, what is the value of $x$ ?
sat
math
linear-equations
calculator
asked
Apr 1, 2019
by
priyanka.clay6
1
answer
If $\cos x = a$ where $\frac{\pi}{2} < x < \pi$, and $\cos y = -a$, then which of the following could be the value of $y$ ?
sat
math
trigonometry & complex number
calculator
asked
Apr 1, 2019
by
priyanka.clay6
1
answer
If $( \cos x) (\sin x) = 0.5$, what is the value of $(\cos x + \sin x)^2 $
sat
math
trigonometry & complex number
calculator
asked
Apr 1, 2019
by
priyanka.clay6
1
answer
Convert $210^{\circ}$ to radian
sat
math
trigonometry
calculator
asked
Apr 1, 2019
by
meena.clay6
1
answer
What is the percentage increase of $ \$ 120 $ to $ \$ 150 $ is
sat
math
problem-solving-and-data-analysis
calculator
asked
Apr 1, 2019
by
priyanka.clay6
1
answer
The net profit form the sale of a product is equal to the total revenue from the sales of that product minus the total cost for the sale of that product. If a particular model of laptop sells for $ \$ 350$ and the cost of making and selling $n$ of these laptops is $ \$(30 n + 12,000) $ the equation which expresses the net profit in dollars $P$, for making and selling $n$ of these calculators is
sat
math
linear-equations
calculator
asked
Apr 1, 2019
by
priyanka.clay6
1
answer
The area of a square is increased by $25\%$. What is the percentage increase of its perimeter ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Apr 1, 2019
by
meena.clay6
1
answer
A table which is in a shape of a regular polygon is as shown in the figure below. If each of its sides is 5 units, what can be the area of the dotted portion ?
sat
math
lines-angles-and-triangles
calculator
asked
Apr 1, 2019
by
meena.clay6
1
answer
The average of $x$ and $y$ is $20$. If the value of $x$ is doubled and that of $y$ is tripled, then the average of the two numbers remains the same. What is the value of $x$ ?
sat
math
linear-equations
calculator
asked
Apr 1, 2019
by
priyanka.clay6
1
answer
Two cars leave the same point simultaneously going in the same direction, along a straight flat road, one at 40 miles per hour and the other at 50 miles per hour. After how many minutes will the cars be 5 miles apart ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Apr 1, 2019
by
priyanka.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
Apr 1, 2019
by
priyanka.clay6
1
answer
If $\sqrt[3]{x+2} + 4 = 6$ then $x = $
sat
math
linear-equations
calculator
asked
Mar 31, 2019
by
priyanka.clay6
1
answer
sat
math
problem-solving-and-data-analysis
calculator
asked
Mar 31, 2019
by
priyanka.clay6
1
answer
Based on the graph below, how far in miles did Mare drive between 8.30 and 9.00 ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Mar 31, 2019
by
priyanka.clay6
1
answer
A jar has with 25 marbles of 5 red, 6 white and 14 blue. If you remove 1 marble at a time randomly, what is the minimum number that you must remove to be certain that you have at least 2 marbles of each color ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Mar 31, 2019
by
priyanka.clay6
1
answer
A jacket has a marked retail price of $ \$ 120$, but is on sale at a $20 \%$ discount. If a customer has a coupon for $10 \%$ off of the sale price, and if the sales tax is $5 \%$, what is the final price of this jacket, including all discount and tax ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Mar 31, 2019
by
priyanka.clay6
1
answer
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 ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Mar 31, 2019
by
priyanka.clay6
1
answer
If $y$ varies inversely as the cube of $x$ and $y = 64$, when $x=4$, then what is the value of $y$ when $x =3$ ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Mar 31, 2019
by
priyanka.clay6
1
answer
In the $xy$ plane, the line $l$ is perpendicular in the line described by the equation $\frac{1}{2x} + \frac{1}{y} = \frac{1}{2y}$, what is the slope of the line ?
sat
math
linear-equations
calculator
asked
Mar 31, 2019
by
priyanka.clay6
1
answer
$3x + 2y = \frac{1}{5}$ and $3x - 2y = \frac{2}{5}$, then $\frac{y}{x}$ is
sat
math
linear-equations
calculator
asked
Mar 31, 2019
by
priyanka.clay6
1
answer
Colin can read a maximum of 30 pages in one hour. If he has been reading 250 pages for $x$ hours, where $x < 10$ and has $y$ pages left to read, which of the following expresses the relationship between $x$ and $y$ ?
sat
math
linear-equations
calculator
asked
Mar 31, 2019
by
priyanka.clay6
1
answer
A dance studio charges $ \$ 10$ per student for its morning class and $ \$ 15 $ per student for its evening class. Three times as many students attended the evening class as attended the morning class. If the dance studio earns $ \$ 2200$ on Friday, how many students attended the morning class ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Mar 31, 2019
by
priyanka.clay6
1
answer
What are the values of $x$ if, $\frac{4(x-3)}{6} - \frac{x}{2} =2$ ?
sat
math
linear-equations
calculator
asked
Mar 31, 2019
by
priyanka.clay6
1
answer
County $Y$ consists of two districts. One district has an area of 35 square miles and a population density of 390 people per square mile, and the other district has an area of 50 square mile population density of 300 people per sq. mile. What is the population density in people per sq. mile, for all county $Y$ ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Mar 31, 2019
by
priyanka.clay6
1
answer
For 2 consecutive integers, the result of adding the small integer and the double of larger integer is 80. What are the two integers ?
sat
math
linear-equations
calculator
asked
Mar 31, 2019
by
priyanka.clay6
1
answer
Point A is located at $(-4,-5)$. The mid point of $\overline{AB}$ is $(0,3)$ . What are the coordinate of point B
sat
math
linear-equations
calculator
asked
Mar 29, 2019
by
meena.clay6
1
answer
The graph represents the favorite game of 100 individuals . What area of the pie chart in degrees is represented by those who chose basketball as their favorite game ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Mar 29, 2019
by
meena.clay6
1
answer
Which of the following is an equations of a circle in the $xy$ plane with center(0,3) and a radius of 6 units ?
sat
math
circles
calculator
asked
Mar 29, 2019
by
meena.clay6
1
answer
The axis of symmetry for $f(x)=2x^2-7x+20$ is
sat
math
quadratic-equations
calculator
asked
Mar 29, 2019
by
meena.clay6
1
answer
$\sqrt{20}+\sqrt{18}$ is equivalent to
sat
math
problem-solving-and-data-analysis
calculator
asked
Mar 29, 2019
by
meena.clay6
1
answer
The factors of $x^2-6x+8$ are
sat
math
quadratic-equations
calculator
asked
Mar 29, 2019
by
meena.clay6
1
answer
The equation of a line passing through the point $(-2,0)$, and perpendicular to the line whose slope is -2 is
sat
math
linear-equations
calculator
asked
Mar 28, 2019
by
meena.clay6
1
answer
Solve the linear inequality $\large\frac{-1}{6}$$x-16 \geq +4$
sat
math
linear-equations
calculator
asked
Mar 27, 2019
by
meena.clay6
1
answer
Donald wants to sell his property and hence decides to measure it. He calls upon a surveyor, to do the job. The property is in the shape of an isosceles triangle. The surveyor measures one side as 8 miles side long. The area of the property is 40 square miles. How far is it from the middle of the 8 miles side of the property to the intersection of the other two sides ?
sat
math
lines-angles-and-triangles
calculator
asked
Mar 26, 2019
by
meena.clay6
1
answer
A circle has a radius of 4 cm . What is the difference between its area and circumference ?
sat
math
circles
calculator
asked
Mar 26, 2019
by
meena.clay6
1
answer
The sum of $x$ and $y$ in the system of equation given $x+4y=12$ and $4x+3y=22$ is
sat
math
linear-equations
calculator
asked
Mar 26, 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
Mar 26, 2019
by
meena.clay6
1
answer
The graph below represents the profit 'P' of a bicycle company in thousands, for the year 2016. What is the C intercept represent in graph ?
sat
math
linear-equations
calculator
asked
Mar 26, 2019
by
meena.clay6
1
answer
Maggy has enough cereal to last for 40 days. If she increases her consumption of cereal by $20\%$ everyday, for how many days will the cereal last ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Mar 26, 2019
by
meena.clay6
1
answer
The chart below shows the scores of five students in a Math class. If John's score was equal to the mode for test 1 and to the median for test 2 , then which of the five students represents John's scores ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Mar 26, 2019
by
meena.clay6
1
answer
Six employees working in a lending company pay $\$250,\$300, \$150,\$200,\$375$ and $\$350$ as income tax. What is the mean income tax paid by their employees ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Mar 26, 2019
by
meena.clay6
1
answer
A die is rolled 150 times and its outcome are recorded as below : Find the probability of getting an odd number .
sat
math
problem-solving-and-data-analysis
calculator
asked
Mar 26, 2019
by
meena.clay6
1
answer
Convert $39^{\circ}F$ to $^{\circ}$Celsius scale
sat
math
problem-solving-and-data-analysis
calculator
asked
Mar 19, 2019
by
meena.clay6
1
answer
The formula to convert Celsius scale to Fahrenheit scale is given by $F=1.8\;c+32$. Which of the following expressions refer to convert Fahrenheit to Celsius scale ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Mar 18, 2019
by
meena.clay6
1
answer
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