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All Questions
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237637 Questions
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522
1
coordinate geometry
A circle in the coordinate plane is tangent to the y-axis at the point (0,5) and passes through the point (12,0). Find the radius of the circle.
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Guest
Dec 8, 2020
+1
480
1
+466
The difference of the roots of the quadratic equation $x^2 + bx + c = 0$ is $|b - 2c|$. If $c \neq 0$, then find $c$ in terms of $b$.
help please
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dududsu2
Dec 8, 2020
+1
1508
1
+466
What is the maximum value of $4(x + 7)(2 - x)$, over all real numbers $x$?
help please
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dududsu2
Dec 8, 2020
+1
554
1
+466
Let $a$ and $b$ be the roots of the equation $x^2-mx+2=0.$ Suppose that $a+(1/b)$ and $b+(1/a)$ are the roots of the equation $x^2-px+q=0.$
What is ?
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dududsu2
Dec 8, 2020
+1
1085
4
+466
Let $f(x)=x^2-7x+18$ and let $g(f(x))=2x+3$. What is the sum of all possible values of $g(8)$?
Help please
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dududsu2
Dec 8, 2020
+1
1228
3
+466
What is the product of the two smallest prime factors of $2^{1024} - 1$?
help please
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dududsu2
Dec 8, 2020
0
457
1
invertible function
Below is a portion of the graph of an invertible function f(x)
read more ..
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Guest
Dec 8, 2020
-1
457
1
parabola
A parabola y=ax^2+bx+c has a line of symmetry x=-2 and goes through the two points (5,1) and (4,-3). Find a + b + c.
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Guest
Dec 8, 2020
-1
482
1
A math question
what is the length, in units, of the radius of a circle with the area of 64πxsquared square units.
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Guest
Dec 8, 2020
-1
367
0
Integrals
Find the total work done by the field F = ( 2x+3y, 3x+6y^2) around the closed loop connecting (0,0) to (3,4) to (3,4) back to (0,0)
Guest
Dec 8, 2020
-1
496
1
function
Let f(3) = 4. Find a point that lies on the graph of g(x) = f(3x) + 1.
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Guest
Dec 8, 2020
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468
1
coordinate q
Find all points (x,y) that are 12 units away from the point (3,-8) and that lie on the line y = 2x + 1.
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Guest
Dec 8, 2020
+2
840
5
+466
A segment with endpoints at $A(2, -2)$ and $B(14, 4)$ is extended through $B$ to point $C$. If $BC = \frac{1}{3} \cdot AB$,
what are the coordinates for point ? Express your answer as an ordered pair.
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dududsu2
Dec 8, 2020
0
545
3
help quickly!!! D:
The numbers $1,$ $2,$ $\dots,$ $10$ are to be entered into the 10 boxes shown below, so that each number is used exactly once:
\[P = (\square + \square + \square + \square + \square)(\square + \square + \square + \square + \square).\]
What
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Guest
Dec 8, 2020
+1
332
0
coordinates
Let a and b be real numbers, where a < b, and let A = (a,a^2) and B = (b,b^2). The line has x-intercept x(-2,0) and y-intercept y(0,3). Find a and b. Express your answer as the ordered pair (a,b).
Guest
Dec 8, 2020
0
454
1
Help
The equation $y = -4.9t^2 + 23.8t$ describes the height (in meters) of a projectile launched from the ground at 23.8 meters per second. In how many seconds will the projectile first reach 28 meters in height?
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Guest
Dec 8, 2020
0
629
3
Help
To be on the 1-km race team, Celia must have a mean less than 5 min 50 s in 6 tryout races. Her times in 5 races are: 6 min 2 s, 5 min 53 s, 5 min 45 s, 6 min, and 5 min 34 s. What time should Celia aim for in her sixth race to make the team?
Time that
read more ..
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Guest
Dec 8, 2020
0
816
2
what is 3x somthing that equals 12? :>
what is 3x somthing that equals 12? :>
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Guest
Dec 8, 2020
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330
0
domain
What is the smallest real number x in the domain of the function f(x) = sqrt((x + 2)^2 - (x - 10)^2)?
Guest
Dec 8, 2020
0
399
2
help me asap i have a test due today she said we can cheet
On Monday, two hundred sixty - three students went on a trip to the zoo. All six buses were filled and five students had to travel in cars. How many students were in each bus ?
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Guest
Dec 8, 2020
0
316
0
inverse function
Let f(x) = ax + a + b where a and b are nonzero constants. Find all solutions to f^{(-1)}(x) = 0. Express your answer in terms of a and b.
Guest
Dec 8, 2020
0
521
2
help me asap i have a test now only the equation
Keith spent half of his allowance going to the movies. He washed the familycar and earned seven dollars. What is his weekly allowance if he ended witheighteen dollars ?
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Guest
Dec 8, 2020
0
365
1
operation
If a*b = a^2 + 4ab + 4b^2, and 2*b = 144, then find all possible values of b.
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Guest
Dec 8, 2020
+1
531
2
+466
A segment with endpoints at $A(2, -2)$ and $B(14, 4)$ is extended through $B$ to point $C$. If $BC = \frac{1}{3} \cdot AB$,
what are the coordinates for point Express your answer as an ordered pair.
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dududsu2
Dec 8, 2020
0
468
1
whats 5 times 5/6
whats 5 times 5/6
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Guest
Dec 8, 2020
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