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Post New Question
All Questions
+0
236050 Questions
0
21
0
+2653
Algebra
One ordered pair $(a,b)$ satisfies the two equations $ab^4 = 48$ and $ab^3 = 24$. What is the value of b in this ordered pair?
LiIIiam0216
Jul 12, 2024
0
9
1
+355
Microwaves
What is the power of a 900-watt microwave when measured in zaps?
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Lilliam0216
Jul 12, 2024
0
18
0
+2653
Number Theory
A school orders $99$ textbooks, all for the same price. When the bill for the total order comes, the first and last digits are obscured. What are the missing digits?
$_5801.3_
LiIIiam0216
Jul 12, 2024
0
9
0
+2653
Number Theory
The number $N$ is a multiple of $7$. The base $2$ representation of $N$ is
111100111010001ABC01_2.
Compute $A,$ $B,$ and $C$.
LiIIiam0216
Jul 12, 2024
0
15
0
+2653
Number Theory
Find a six-digit multiple of $64$ that consists only of the digits $2$ and $4$.
LiIIiam0216
Jul 12, 2024
0
25
0
+2653
Number Theory
Find the inverse of $3$ modulo $10271$.
LiIIiam0216
Jul 12, 2024
0
15
0
+2653
Number Theory
Find the inverse of $8$ modulo $371.$
LiIIiam0216
Jul 12, 2024
0
9
1
+2653
Number Theory
Find the inverse of $7$ modulo $22$.
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LiIIiam0216
Jul 12, 2024
0
19
0
+1234
Geometry
A line and a circle intersect at $A$ and $B,$ as shown below. Find the distance between $A$ and $B$.
The line is x = 4, and the equation of the circle is x^2 + y^2 = 25.
Akhain1
Jul 12, 2024
0
22
0
+1234
Geometry
Let $k$ be a positive real number. The line $x + y = 3 + k$ and the circle $x^2 + y^2 = k$ are drawn. Find $k$ so that the line is tangent to the circle.
Akhain1
Jul 12, 2024
0
7
0
+1234
Geometry
Two circles intersect at two points, $P$ and $Q$. The equations of the two circles are $x^2 + (y - 1)^2 = 1$ and $(x - 1)^2 + y^2 = 1$. Find the length PQ.
Akhain1
Jul 12, 2024
Jul 11, 2024
0
16
1
+842
Algebra
The roots of Ax^2+Bx+1 are the same as the roots of (x - 2)(x + 2). What is A+B?
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RedDragonl
Jul 11, 2024
0
12
1
+842
Algebra
Find all the solutions to
\frac{x+4}{x+5} = \frac{x-3}{2} + \frac{x + 7}{5}
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RedDragonl
Jul 11, 2024
0
16
1
+842
Algebra
The solutions to
2x^2 - 10x + 13 = -6x^2 - 18x - 15
are a+bi and a-bi, where a and b are positive. What is a\cdot b?
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RedDragonl
Jul 11, 2024
0
28
0
+842
Algebra
The quadratic equation $x^2-mx+24 = 10$ has roots $x_1$ and $x_2$. If $x_1$ and $x_2$ are integers, how many different values of $m$ are possible?
RedDragonl
Jul 11, 2024
0
12
1
+4
Solve each equation if 0≤x<360
I am doing a practice exam for my classes midterm and got stuck on these questions.
sinx=
The answers that they provide for this question are 240° and 300°. I don't know how to get there though. The way I am solving
read more ..
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gbeans44
Jul 11, 2024
0
7
3
+355
Temperature
At what numerical value do the Kelvin and Fahrenheit scales have the same temperature? Answer with a decimal with 5 digits after the dot.
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Lilliam0216
Jul 11, 2024
0
10
2
+862
Algebra
Find the largest integer k such that the equation 5x^2 - kx + 8 - 2x^2 + 25 =0 has no real solutions
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magenta
Jul 11, 2024
0
12
2
+862
Algebra
Find the discriminant of the quadratic 5x^2 - 2x + 8 - 2x^2 + 6x + 2.
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magenta
Jul 11, 2024
0
16
6
+42
I don't know, maybe it's because of the heat... can't solve this one
The harmonic mean of two positive integers is the reciprocal of the arithmetic mean of their reciprocals. For how many ordered pairs (x, y) of positive integers is the harmonic mean of x and y equal to 20? 🍺
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threepointonefourone
Jul 11, 2024
0
20
0
+948
Geometry
In triangle $PQR,$ $M$ is the midpoint of $\overline{QR}.$ Find $PM.$
PQ = 5, PR = 8, QR = 11
Rangcr897
Jul 11, 2024
0
13
2
+948
Geometry
In right triangle $ABC,$ $\angle C = 90^\circ$. Median $\overline{AM}$ has a length of 1, and median $\overline{BN}$ has a length of 1. What is the length of the hypotenuse of the triangle?
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Rangcr897
Jul 11, 2024
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