Questions and answers by

raja harishchandra

Questions (46)

What is the sum of all possible real values of x, such that there exists a real value y which satisfies the equation
1. 1 answer
2. 546 views
The number (27+200^1/2)^1/2 can be simplified to the form a+b√, where a and b are positive integers. Find the product ab.
1. 0 answers
2. 341 views
Noah wants to swim across a river 10 m wide, flowing from north to south. He swims so his velocity with respect to the river is
1. 1 answer
2. 655 views
Noah wants to swim across a river 10 m wide, flowing from north to south. He swims so his velocity with respect to the river is
1. 0 answers
2. 496 views
The number (27+200^1/2)^1/2 can be simplified to the form a+b√, where a and b are positive integers. Find the product ab.
1. 0 answers
2. 398 views
The number (27+200^1/2)^1/2 can be simplified to the form a+b√, where a and b are positive integers. Find the product ab
1. 2 answers
2. 422 views
The real numbers x and y satisfy the nonlinear system of equations2x^2−6xy+2y^2+43x+43y=174 & x^2+y^2+5x+5y=30. Find the
1. 2 answers
2. 526 views
Let S(N) denote the digit sum of the integer N. As N ranges over all 3-digit positive numbers, what value of N would give the
1. 2 answers
2. 624 views
Letf(n)=1/1√+2√+1/2√+3√+1/3√+4√…1/n√+n+1−−−−√. For how many positive integers n, in the range
1. 1 answer
2. 364 views
The number (27+200^1/2)^1/2 can be simplified to the form a+b^1/2, where a and b are positive integers. Find the product ab.
1. 1 answer
2. 367 views
The number 27+200−−−√−−−−−−−−−√ can be simplified to the form a+b√, where a and b are positive
1. 0 answers
2. 425 views
Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from
1. 0 answers
2. 521 views
If you watch little kids try to open doors, they will often just push anywhere on the door, rather than on the edge like adults
1. 0 answers
2. 513 views
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However,
1. 0 answers
2. 533 views
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However,
1. 0 answers
2. 1,091 views
If you watch little kids try to open doors, they will often just push anywhere on the door, rather than on the edge like adults
1. 0 answers
2. 529 views
Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from
1. 0 answers
2. 459 views
A fair coin is flipped 3 times. The probability of getting exactly two heads, given that at least one flip results in a head,
1. 6 answers
2. 1,313 views
Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from
1. 8 answers
2. 610 views
If you watch little kids try to open doors, they will often just push anywhere on the door, rather than on the edge like adults
1. 3 answers
2. 607 views
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However,
1. 2 answers
2. 650 views
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However,
1. 1 answer
2. 587 views
If you watch little kids try to open doors, they will often just push anywhere on the door, rather than on the edge like adults
1. 0 answers
2. 523 views
Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from
1. 5 answers
2. 580 views
A fair coin is flipped 3 times. The probability of getting exactly two heads, given that at least one flip results in a head,
1. 0 answers
2. 505 views
If you watch little kids try to open doors, they will often just push anywhere on the door, rather than on the edge like adults
1. 0 answers
2. 514 views
Tarzan is often portrayed as swinging through the jungle from vine to vine. Each of Tarzan's vines are 30 meters long and Tarzan
1. 2 answers
2. 858 views
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However,
1. 1 answer
2. 644 views
If you watch little kids try to open doors, they will often just push anywhere on the door, rather than on the edge like adults
1. 0 answers
2. 474 views
Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from
1. 3 answers
2. 509 views
A fair coin is flipped 3 times. The probability of getting exactly two heads, given that at least one flip results in a head,
1. 0 answers
2. 503 views
Two congruent circles Γ1 and Γ2 each have radius 213, and the center of Γ1 lies on Γ2. Suppose Γ1 and Γ2 intersect at A
1. 4 answers
2. 447 views
A trapezoid with area 417/16 has three of its sides on the x-axis, the line x=3, and the line x=6. The fourth side is contained
1. 0 answers
2. 399 views
A trapezoid with area 417/16 has three of its sides on the x-axis, the line x=3, and the line x=6. The fourth side is contained
1. 1 answer
2. 452 views
A monic polynomial f(x) of degree four satisfies f(1)=10, f(2)=20, and f(3)=30. Determinef(12)+f(−8)−19000.
1. 2 answers
2. 502 views
The sum of squares formula is given by1^2+2^2+3^2+…+n^2=n(n+1)(2n+1)/6. The sum of odd squares can be expressed as
1. 1 answer
2. 461 views
The complex number [2[cos(π/10)+isin(π/10)]]^5 can be written as a+bi. What is the value of a+b?
1. 1 answer
2. 435 views
Find the positive integer value of n such thatn^3−3/n^3+n^3−4/n^3+n^3−5/n^3+…+4/n^3+3/n^3=169.
1. 3 answers
2. 411 views
For a positive integer x, let f(x) be the function which returns the number of distinct positive factors of x. If p is a prime
1. 0 answers
2. 979 views
Find the sum of all positive integers m such that 2^m can be expressed as sums of four factorials (of positive integers).
1. 0 answers
2. 1,118 views
The integers from 1 through 10 (inclusive) are divided into three groups, each containing at least one number. These groups
1. 1 answer
2. 468 views
The integers from 1 through 10 (inclusive) are divided into three groups, each containing at least one number. These groups
1. 1 answer
2. 489 views
The integers from 1 through 10 (inclusive) are divided into three groups, each containing at least one number. These groups
1. 0 answers
2. 469 views
Find the sum of all positive integers m such that 2^m can be expressed as sums of four factorials (of positive integers).
1. 0 answers
2. 471 views
How many ordered pairs of positive integers 1≤k≤n≤50 are there, such that k divides n, and(n/k)!=n!/k!?
1. 3 answers
2. 526 views
For a positive integer x, let f(x) be the function which returns the number of distinct positive factors of x. If p is a prime
1. 0 answers
2. 509 views

Answers (10)

148 is incorrect
no tis not 49
copying brilliant answer=26
it is of brilliant named site
please answer its urgent
please answer its urgent
its urgent
please answer its urgent
please answer
In a monic polynomial, the leading coefficient is 1 So let f(x) = x^4 + ax^3 + bx^2 + cx + d f(1) = 1 +a+b+c+d = 10 a+b+c+d = 9 , #1 f(2) = 16 + 8a + 4b + 2c + d = 20 8a + 4b + 2c + d = 4 , #2 f(3) = 81 + 27a + 9b + 3c + d = 30 27a + 9b + 3c + d = -51 , #3

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025