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Post New Question
All Questions
+0
235689 Questions
0
21
1
+1911
Integers
Find the number of ordered pairs $(a,b)$ of integers such that
\frac{a + 2}{a + 5} = \frac{3b}{5}.
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tomtom
Dec 19, 2023
0
32
1
+1911
Complex numbers
We can represent complex numbers geometrically by plotting them on the "complex plane", just like we plot points on the Cartesian plane. The real part of the complex number is the horizontal coordinate and the imaginary part is the vertical coordinate.
read more ..
BuiIderBoi
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tomtom
Dec 19, 2023
0
24
3
+1911
Factoring
Fill in the blank with a constant, so that the resulting expression can be factored as the product of two linear expressions:
2mn - 21m + 6n + 15m - 5n + ___
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tomtom
Dec 19, 2023
0
27
2
+1911
Algebra
Fill in the blanks with real numbers:
(sqrt(3) + i)*6*(6 + i)^4 = ___ + ___ i.
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tomtom
Dec 19, 2023
+1
24
3
+77
Probability Question, Please Help ASAP!
Peeyuu is giving out 8 identical chocolates to her 5 friends, including Dhruv. All possible distributions are equally likely. What is the probability that Dhruv gets exactly 1 chocolate?
Thanks a whole lot for the help guys...
<
read more ..
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NotLatePY
Dec 19, 2023
0
28
3
+14
Hi please help!
Write the number "five hundredths, six thousandths, forty-two millionths" as a decimal.
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Ayobruh
Dec 19, 2023
Dec 18, 2023
0
31
1
+1364
Angle bisectors
Angle bisectors $\overline{AX}$ and $\overline{BY}$ of triangle $ABC$ meet at point $I$. Find $\angle C,$ in degrees.
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sandwich
Dec 18, 2023
0
38
1
+1364
Angle bisectors
In triangle $ABC,$ let the angle bisectors be $\overline{BY}$ and $\overline{CZ}$. Given $AB = 12$, $AY = 12$, and $CY = 6$, find $BZ$.
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sandwich
Dec 18, 2023
0
36
1
+1364
Angle bisectors
In triangle $ABC,$ let the angle bisectors be $\overline{BY}$ and $\overline{CZ}$. Given $AB = 12$, $AY = 12$, and $CY = 6$, find $BC$.
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sandwich
Dec 18, 2023
0
15
3
+14
The entries in a certain row of Pascal's triangle are
The entries in a certain row of Pascal's triangle are
1, n,...,n,1
The average of the entries in this row is 2048. Find n
i originally got 2047 but that was wrong
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Galactic
Dec 18, 2023
0
24
1
+1364
triangle
In triangle $PQR,$ $M$ is the midpoint of $\overline{PQ}.$ Let $X$ be the point on $\overline{QR}$ such that $\overline{PX}$ bisects $\angle QPR,$ and let the perpendicular bisector of $\overline{PQ}$ intersect $\overline{PX}$ at $Y.$ If $PQ
read more ..
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sandwich
Dec 18, 2023
0
18
3
+14
Pascal’s triangle is suffering, please send help
For the positive integer n, the rational number r satisfies Express r in terms of n (your problem should be as simplified as possible).
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Galactic
Dec 18, 2023
0
28
1
+1364
triangle
Find the inradius of trianlge ABC.
Find the circumradius of triangle ABC.
BuiIderBoi
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sandwich
Dec 18, 2023
0
21
1
+1364
triangle
For the triangle below, let $x$ be the area of the circumcircle, and let $y$ be the area of the incircle. Compute $x - y.$
read more ..
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sandwich
Dec 18, 2023
0
23
1
+1678
Simplify
Simplify the expression
\frac{1}{\sqrt{36}} - \sqrt{27} - \frac{1}{\sqrt{27}} + \frac{1}{\sqrt{18}}.
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wiseowl
Dec 18, 2023
0
17
1
+1678
Quadratic
Let $r$ and $s$ be the roots of $2x^2 + 5x - 13 = x^2 - 4x + 7.$ Find $r^2 + s^2.$
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wiseowl
Dec 18, 2023
0
28
1
+1678
Simplify
Simplify the expression
\frac{3}{\sqrt{2}} + \frac{1}{\sqrt{18}} - \frac{6}{\sqrt{3}} + \frac{9}{\sqrt{2}}
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wiseowl
Dec 18, 2023
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