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All Questions
+0
234857 Questions
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267
0
help with coordinates
I need help with these problems.
Guest
Mar 10, 2021
0
308
0
+32
Find the number of pairs (m, n) of positive integers with 1<=m
Find the number of pairs (m, n) of positive integers with 1 <= m
bloodws23
Mar 10, 2021
0
522
1
+32
Segments AB, AC, and AD are edges of a cube and segment AG is diagonal through the center of the cube. Point P satisfies BP = 60sqrt(5), DP
Segments AB, AC, and AD are edges of a cube and segment AG is diagonal through the center of the cube. Point P satisfies BP = 60sqrt(5), DP = 120sqrt(2), and GP = 36sqrt(7). Find AP
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bloodws23
Mar 10, 2021
0
509
2
+32
Zou and Chou are practicing their 100-meter sprints by running 6 races against each other. Zou wins the first race, and after that, the prob
Zou and Chou are practicing their 100-meter sprints by running 6 races against each other. Zou wins the first race, and after that, the probability that one of them wins a race is 2/3 if they won the previous race but only 1/3 if they lost the previous
read more ..
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bloodws23
Mar 10, 2021
0
480
1
+32
Find the number of ways 66 identical coins can be separated into three nonempty piles so that there are fewer coins in the first pile than i
Find the number of ways 66 identical coins can be separated into three nonempty piles so that there are fewer coins in the first pile than in the second pile and fewer coins in the second pile than in the third pile.
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bloodws23
Mar 10, 2021
0
1203
1
+32
Call a three-term strictly increasing arithmetic sequence of integers special if the sum of the squares of the three terms equals the produc
Call a three-term strictly increasing arithmetic sequence of integers special if the sum of the squares of the three terms equals the product of the middle term and the square of the common difference. Find the sum of the third terms of all special sequences.
read more ..
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bloodws23
Mar 10, 2021
0
271
0
Find the number of ways 66 identical coins can be separated into three nonempty piles so that there are fewer coins in the first pile than
Find the number of ways 66 identical coins can be separated into three nonempty piles so that there are fewer coins in the first pile than in the second pile and fewer coins in the second pile than in the third pile.
Guest
Mar 10, 2021
0
293
0
Call a three-term strictly increasing arithmetic sequence of integers special if the sum of the squares of the three terms equals the produc
Call a three-term strictly increasing arithmetic sequence of integers special if the sum of the squares of the three terms equals the product of the middle term and the square of the common difference. Find the sum of the third terms of all special sequences.
read more ..
Guest
Mar 10, 2021
0
266
0
Help on an arithmetic sequence problem
Call a three-term strictly increasing arithmetic sequence of integers special if the sum of the squares of the three terms equals the product of the middle term and the square of the common difference. Find the sum of the third terms of all special sequences
read more ..
Guest
Mar 10, 2021
0
373
1
perimeter and area
Label each figure correctly.
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Guest
Mar 10, 2021
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346
1
trig functions
If sec x = -4 and csc x > 0, then find the other trig ratios.
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Guest
Mar 10, 2021
0
271
0
MAth q
For any positive integer $a,\,\sigma(a)$ denotes the sum of the positive integer divisors of $a.$ Let $n$ be the least positive integer such that $\sigma(a^n)-1$ is divisible by $2021$ for all positive integers $a.$ Find the sum of the prime factors in
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Guest
Mar 10, 2021
0
412
2
The sum of all but one interior angle of a convex polygon is 1070. what is the number of sides of this polygon?
The sum of all but one interior angle of a convex polygon is 1070. (recall, convex means that eac interior angle is <180) What is the number of sides of this polygon? and what is the measure of the unknown interior angle?
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Guest
Mar 10, 2021
0
319
1
math
Consider the sequence $(a_k)_{k\geq 1}$ of positive rational numbers defined by $a_1 = \frac{2020}{2021}$ and for $k \geq 1,$ if $a_k = \frac{m}{n}$ for relatively prime positive integers $m$ and $n,$ then$$a_{k+1} = \frac{m+18}{n+19}.$$Determine the sum
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Guest
Mar 10, 2021
0
282
0
math question
Let $ABCD$ be an isosceles trapezoid with $AD=BC$ and $AB < CD.$ Suppose that the distances from $A$ to the lines $BC,$ $CD,$ and $BD$ are $15,$ $18,$ and $10,$ respectively. Let $K$ be the area of $ABCD.$ Find $\sqrt2\cdot K.$
Guest
Mar 10, 2021
0
506
1
+32
Math
Find the number of positive integers less than 1000 that can be expressed as the difference of two integral powers of 2.
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bloodws23
Mar 10, 2021
0
455
1
2/9 times 4/5 times 5
2/9 times 4/5 times 5
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Guest
Mar 10, 2021
0
499
1
+102
Hockey Stick Identity
How do you solve this combination problem using the Hockey Stick Identity?
Thanks in advance.
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AnxiousLlama
Mar 10, 2021
0
252
1
triangle geometry
Consider triangle ABC with its centroid at point E and median AD. What is the length of AE if AD = 30?
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Guest
Mar 10, 2021
+1
351
1
+501
graphing circles
How many pairs of positive integers $(x,y)$ satisfy $x^2-y^2=51$?
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ellapow
Mar 10, 2021
0
340
1
factoring
Factor the trinomial.
6x² + 5x − 6
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Guest
Mar 10, 2021
0
504
1
+6
Help me plz!!!
After Hillary realized her clock was running 30 minutes fast, she used a knob on the clock to turn the minute hand back 30 minutes. Which describes the rotation of the minute hand?
180 clockwise rotation
90 clockwise rotation
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eaveyaud
Mar 10, 2021
0
395
1
stats question
Graph X is a scatterplot with nine discrete data points. Graph Y is a line of best fit for the data in Graph X. Which of the graphs represents a function?
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Guest
Mar 10, 2021
0
352
1
Confused
What is i ^59 equal to? Show the steps on how you got your answer
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Guest
Mar 10, 2021
0
237
0
system of equations
Write and solve equations forthe following situation.
The sum of Patrick's age and Anthony's age is 49. Patrick's age is one more than twice as old as Anthony. What are their ages?
Guest
Mar 10, 2021
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