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Questions asked by priyanka.clay6
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At a fish hatchery, fish hatch at different times even though the eggs fertilized at the same time. The number of fish that hatched on each of the first four days after fertilization was $3, 12, 48$ and $192$ respectively . If the pattern continues, calculate the total number of fish hatched during the first 10 days.
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math
problem-solving-and-data-analysis
calculator
asked
Dec 5, 2019
1
answer
Allen invests $\$4250$ at $2.5\%$ of a simple interest. What will be the amount earned after 20 years ?
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math
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solving
and
data
analysis
calculator
asked
Dec 5, 2019
1
answer
In the 1908 Olympic games, the Olympic Marathon was lengthened from 40 km to approximately 42 km. Of the following which is the closer to the increase in the distance of the Olympic Marathon in miles ? (1 mile is approximately 1.6 km)
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math
problem-solving-and-data-analysis
calculator
asked
Dec 5, 2019
1
answer
Smith and Slerry have $24\;m$ of fencing to enclose a rectangular garden at the back of their house express the area of the garden as a function of its width.
sat
math
quadratic-equations
calculator
asked
Dec 5, 2019
1
answer
Nigel and Petra are hosting a dinner for 300 guests. Cheers Banquet hall has quoted these charges. <br> * $\$500$ plus $\$10$ per person, for food.<br> * $\$200$ plus $\$20$ per person for drinks.<br> * a discount of $\$5$ per person if the guests exceed 200. <br> What can be function equivalent to the given situation ?
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math
linear-equations
calculator
asked
Dec 5, 2019
1
answer
Which of these functions describe exponential decay ?
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math
problem
solving
and
data
analysis
calculator
asked
Dec 5, 2019
1
answer
The distance of an object moving with initial velocity $u$ and acceleration 'a' and final velocity 'v' is given by $v^2-u^2=2as$. The acceleration of the particles in terms of $u, \;v$ and $s$ is
sat
math
linear-equations
calculator
asked
Dec 5, 2019
1
answer
$\qquad x-3y=10$ <br> In the xy plane, the graph of which of the following equations is perpendicular to the graph of the equation above ?
sat
math
linear-equations
calculator
asked
Dec 4, 2019
1
answer
$y \leq 3x+1,\;x-y>1,$ which of the following ordered pairs $(x,y)$ satisfies the system of inequalities below ?
sat
math
linear-equations
calculator
asked
Dec 4, 2019
1
answer
The equation of the circle passing through the point $(2,-4)$ and has a centre at $(0,0)$ is
sat
math
circles
calculator
asked
Dec 4, 2019
1
answer
The graph below shows the number of vehicles passing through a road crossing in Long Lake Road, in the city of Troy, Michigan, in different time intervals on a particular day. Read the bar graph and answer the questions given below.What is the total number of vehicles passing through the minimum traffic hour and maximum traffic hours ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Dec 4, 2019
1
answer
The graph below shows the number of vehicles passing through a road crossing in Long Lake Road, in the city of Troy, Michigan, in different time intervals on a particular day. Read the bar graph and answer the questions given below. What is the total number of vehicles passing through a crossing during a particular day ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Dec 4, 2019
1
answer
The graph below shows the number of vehicles passing through a road crossing in Long Lake Road, in the city of Troy, Michigan, in different time intervals on a particular day. Read the bar graph and answer the questions given below.When is the hourly traffic maximum? Also give the maximum number of vehicles ?
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math
problem-solving-and-data-analysis
calculator
asked
Dec 4, 2019
0
answers
The length of the sides of a triangle are $5\;cm, 12\;cm$ and $13 \;cm$. Find the length to the perpendicular from the opposite vertex to the side whose length is $13\;cm$
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math
lines-angles-and-triangles
calculator
asked
Dec 4, 2019
1
answer
If $f(x)=x^2+5x+p$ and $Q(x)=x^2+3x+q$ have a common factor, then the common factor is
sat
math
quadratic-equations
calculator
asked
Dec 4, 2019
1
answer
Express in rational form $\large\frac{81^{-0.25}}{\sqrt[3]{-125}}$
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math
problem-solving-and-data-analysis
calculator
asked
Dec 4, 2019
1
answer
The probability that Rhoda will hit a target is $\frac{4}{5}.$ The probability that Jack will hit the same target is $\frac{3}{4}$. If each of them fires once, find the probability that the target will be hit by only one of them is
sat
math
problem-solving-and-data-analysis
calculator
asked
Dec 4, 2019
1
answer
sat
math
quadratic-equations
calculator
asked
Dec 4, 2019
1
answer
The $10^{th}$ and $100^{th}$ term of the sequence $n^2+3$ are
sat
math
problem-solving-and-data-analysis
no calculator
asked
Dec 4, 2019
1
answer
sat
math
circles
no calculator
asked
Dec 4, 2019
1
answer
It is given that $\Delta ABC \cong \Delta FDE$ in which $AB=5\;cm$, $\angle{A}=80^{\circ},\;\angle{B}=40^{\circ}$ and $FD=5\;cm,\; \angle{E}=?$
sat
math
lines-angles-and-triangles
no calculator
asked
Dec 4, 2019
1
answer
At a recent college registration, 100 students were interviewed. 80 students registered for Mathematics course, 14 for history course and 5 for both. What is the probability that the student has registered only for history ?
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math
problem-solving-and-data-analysis
no calculator
asked
Dec 4, 2019
1
answer
In the figure shown below TP and TQ are tangents to the circle with centre O and radius $5 \;cm$. If $\angle{QTP}=65^{\circ}$, calculate $\angle{POQ}$
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math
circles
no calculator
asked
Dec 4, 2019
1
answer
Simplify : $ \large\frac{\sqrt{x^6(y^3)^{-2}}}{(x^3y)^{-2}}$
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math
problem-solving-and-data-analysis
no calculator
asked
Dec 4, 2019
1
answer
If $D,\;E $ and $F$ are the mid points of the sides $AB, \;BC$ and $CA$ of an equilateral triangle $ABC$ , then $\Delta DEF$ is a _________ triangle.
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math
lines-angles-and-triangles
no calculator
asked
Dec 3, 2019
1
answer
Which of the following is equal to $3^{4/3}$.
sat
math
problem-solving-and-data-analysis
no calculator
asked
Dec 3, 2019
1
answer
A quadrilateral which has exactly one pair of parallel sides is called
sat
math
lines-angles-and-triangles
no calculator
asked
Dec 3, 2019
1
answer
The total surface of a cone, whose radius is $\dfrac{r}{2}$ and slant height $2l$ is
sat
math
problem-solving-and-data-analysis
no calculator
asked
Dec 3, 2019
1
answer
If $x^2+y^2=a$ and $xy=6b$, then which of the following is equivalent to $3a-2b ?$
sat
math
quadratic-equations
no calculator
asked
Dec 3, 2019
1
answer
Which of the following is an example of a function whose graph in the $xy-$ plane has no intercepts ?
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math
quadratic-equations
no calculator
asked
Dec 3, 2019
1
answer
Kathy has two summer jobs. She works as a beautician, which pay $\$10 $ per hour and she works at the billing counter for a supermarket, which pays her $\$10.50$ per hour. She can work no more than 20 hours per week, but she wants to earn at least $\$250$ per week. Which of the following inequalities represents this situation in terms of $x$ and $y$ where $x$ is the number of hours, she works as a beautician and $y$ the number of hours, she works for the super market ?
sat
math
linear-equations
no calculator
asked
Dec 3, 2019
1
answer
In the equation given below, $K$ is a constant, if $x=6$, what is the value of $K$ ? <br> $\qquad \qquad \sqrt{K^2+9} -x =0$
sat
math
quadratic-equations
no calculator
asked
Dec 3, 2019
1
answer
$\qquad \qquad h = 2a+20.5 $ <br>A Pediatrician uses the model above to estimate the height $h$ of a boy, in inches, in terms of the boy's age 'a' in years, between the ages of 5 and 10. Based on the model, what is the estimated increase in inches of a boy's height each year ?
sat
math
problem-solving-and-data-analysis
no calculator
asked
Dec 3, 2019
1
answer
What can be the nature of the roots for the equation $x^2-4x+6$ ?
sat
math
quadratic-equations
no calculator
asked
Dec 3, 2019
1
answer
Simplify $(x^{4n-m})\large(\frac{1}{x^3})^{m+n}$
sat
math
linear-equations
no calculator
asked
Dec 3, 2019
1
answer
The rational form of $\large\frac{\sqrt[-3]{512}}{\sqrt[5]{-1024}}$
sat
math
problem-solving-and-data-analysis
no calculator
asked
Dec 3, 2019
1
answer
If $\large\frac{3x-1}{b}=4$ and $b=2$, what is the value of $x$ ?
sat
math
linear-equations
no calculator
asked
Dec 3, 2019
1
answer
If $i=\sqrt{-1}$, then evaluate $(7-3i)(7+3i)$
sat
math
trigonometry
no calculator
asked
Dec 3, 2019
1
answer
$\begin{align*}\large\frac{(i^3)^{729}}{(i^4)^{64}} = \end{align*}$
sat
math
trigonometry
calculator
asked
Dec 2, 2019
1
answer
$(h^2+6hk-7k^2)-(3h^2+6hk-10k^2)$
sat
math
linear-equations
calculator
asked
Dec 2, 2019
1
answer
Divide and simplify : $\large\frac{12\sqrt{75}}{4\sqrt{108}}$
sat
math
problem-solving-and-data-analysis
calculator
asked
Dec 2, 2019
1
answer
In a store, a dress was tagged at $\$40$. When it did not sell, it was discounted $25\%$ at all once. What is the final selling price ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Dec 2, 2019
1
answer
Which of the following is the greatest : <br> $\qquad \frac{5}{8},\; 62\%, \% 0.628 ?\qquad$
sat
math
problem-solving-and-data-analysis
calculator
asked
Dec 2, 2019
1
answer
The area of a triangle can be calculated from Heron's formula $A = \sqrt{S(S-a)(S-b)(S-c)}$, where $a,\;b,\;c$ are length of the sides and $S = \large\frac{a+b+c}{2}$. <br> Calculate the area of a triangle with side length $5, \;7 $ and $10$. Leave your answer in simplest radical form.
sat
math
lines-angles-and-triangles
calculator
asked
Dec 2, 2019
1
answer
In the figure shown below, $PQ$ is the tangent to the circle whose centre is $O$ and radius is $5$. If $OP = 13$, find the length of $PQ$, if $T$ is the midpoint of $PQ$
sat
math
circles
calculator
asked
Dec 2, 2019
1
answer
$\begin{pmatrix}\large\frac{xy^n}{(xy)^{2n}} \end{pmatrix}^{2n}$ if $x=-2, \; y=3$ and $n=-1$
sat
math
problem
solving
and
data
analysis
calculator
asked
Dec 2, 2019
1
answer
Evaluate : $\large\frac{3^5 \times 3^{-2}}{(3^{-3})^2}$
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math
problem
solving
and
data
analysis
calculator
asked
Dec 2, 2019
1
answer
The points of intersection of $f(x)=2x^2+4x-11$ and $g(x)=-3x+4$ is
sat
math
quadratic-equations
calculator
asked
Dec 2, 2019
1
answer
$\Delta OAB$ is isosceles with $OA=OB$ and $AB$ is parallel to $CD$ and the height of the $\Delta OCD$ is $3$. The area of the $\Delta OAB$ is
sat
math
lines-angles-and-triangles
calculator
asked
Dec 2, 2019
1
answer
What is the value of $'b'$, so that the sequence $2b-1, \;b+2,\;2b+1$ forms an arithmetic progression ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Dec 2, 2019
1
answer
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