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Post New Question
All Questions
+0
234937 Questions
+1
550
3
+56
Geometry
AB is a radius. Line CD is tangent to circle A at point B. AB =
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lel12
Apr 13, 2021
0
439
1
Please help
The sum of three times the smaller number and bigger number is 51. The bigger number is two more than four times the smaller. Find the numbers.
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Guest
Apr 13, 2021
0
463
1
Please help
Solve the system of equation by substitution 6x-5y=12 and y=-2x+20. (write only the solution (x,y)
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Guest
Apr 13, 2021
0
461
1
Help with my weird and challenging question
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Guest
Apr 13, 2021
0
409
1
question
Employees in 2012 paid 4.2% of their gross wages towards social security (FICA tax), while employers paid another 6.2%. How much will someone earning $38,000 a year pay towards social security out of their gross wages
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Guest
Apr 13, 2021
0
408
1
Interest Rates
Sue can either borrow 10,000 dollars for 5 years with a simple interest of 8% annually or an interest which compounds annually for 6%. How much more money, rounded to the nearest dollar, would she have to pay back for the more expensive interest?
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Guest
Apr 13, 2021
-1
818
3
+218
Answer plz
Andrea poured 6 litres of 10% cream into 3 litres of 15% cream. What is the percentage of cream in the final mixture?
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MathyGoo13
Apr 13, 2021
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393
1
mathematics
John has 9 times as many toys as Jacob. If John gives 12 toys to Jacob, the two children will have exactly the same amount. How many toys do they have altogether?
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Guest
Apr 13, 2021
0
468
3
+273
Help plz! :D
If g ( 2x - 5 ) = 3x + 9 for all real x, then what is g ( 1 )?
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TheEarlyMathster
Apr 13, 2021
0
481
1
Ratios
Purple paint is made by mixing red and blue paint by 5:4. How much more red paint than blue paint is in the 450 ml mixture?
A) 50
B) 100
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ElectricPavlov
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Guest
Apr 13, 2021
+1
428
1
+501
graphing quadratics
The graph of a certain quadratic $y = ax^2 + bx + c$ is a parabola with vertex $(-4,0)$ which passes through the point $(1,-75)$. What is the value of $a$?
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ellapow
Apr 13, 2021
0
364
1
Please answer the question
Find $y$ if the point $(-6,y)$ is on the line that passes through $(-1,7)$ and $(3,-2)$.
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Guest
Apr 13, 2021
+1
441
1
+501
graphing inequalities
The height (in meters) of a shot cannonball follows a trajectory given by $h(t) = -4.9t^2 + 14t - 0.4$ at time $t$ (in seconds). As an improper fraction, for how long is the cannonball above a height of $6$ meters?
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ElectricPavlov
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ellapow
Apr 13, 2021
+1
419
3
Please help
Find $y$ if the point $(-6,y)$ is on the line that passes through $(-1,7)$ and $(3,-2)$.
WillBillDillPickle
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Guest
Apr 13, 2021
+1
445
2
Please Answer the question
1. Line L1 is horizontal and passes through (-5,8). Line L2 is vertical and passes through (4,-1). Find the point of intersection of L1 and L2.
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Guest
Apr 13, 2021
+1
497
1
+223
Please Help!
Thanks!
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CPhilFanboy
Apr 13, 2021
+1
421
2
+223
Please Help!
Thanks!
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CPhilFanboy
Apr 13, 2021
+1
407
1
+223
Please Help!
Thanks!
ElectricPavlov
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CPhilFanboy
Apr 13, 2021
+1
489
2
+223
Please Help! Individual Questions
Thanks!
ElectricPavlov
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CPhilFanboy
Apr 13, 2021
Apr 12, 2021
+2
404
2
+501
graphing circles
The circle centered at $(2,-1)$ and with radius $4$ intersects the circle centered at $(2,5)$ and with radius $\sqrt{10}$ at two points $A$ and $B$. Find $(AB)^2$.
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ellapow
Apr 12, 2021
+1
411
1
+501
graphing quadratics
Two parabolas are the graphs of the equations $y=2x^2-7x+1$ and $y=8x^2+5x+1$. Give all points where they intersect. List the points in order of increasing x-coordinate, separated by semicolons.
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ellapow
Apr 12, 2021
0
262
0
Number Theory
If the least common multiple of two 6-digit integers has 8 digits, then their greatest common divisor has at most how many digits?
Guest
Apr 12, 2021
+1
382
1
+501
graphing inequalities
Find all $x$ that satisfy the inequality $(2x+10)(x+3)<(3x+9)(x+8)$. Express your answer in interval notation.
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ellapow
Apr 12, 2021
+1
720
1
+501
graphing circles
In terms of $\pi$, what is the area of the circle defined by the equation $2x^2+2y^2+10x-6y-18=0$?
ElectricPavlov
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ellapow
Apr 12, 2021
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