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Post New Question
All Questions
+0
234968 Questions
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467
1
monic quartic polynomial
Find a monic quartic polynomial f(x) with rational coefficients whose roots include x=5-i\sqrt[4]{3} . Give your answer in expanded form.
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Guest
Apr 26, 2021
Apr 25, 2021
0
473
3
Help algebra
Let a and b be the solutions to 5x^2 - 11x + 4 = 0. Find 1/(a + 1) + 1/(b + 1).
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Guest
Apr 25, 2021
+11
653
1
+428
another help on homework plz
the question states: Three circles with a radius of 12 lie in a plane such that each passes through the center of the other two, find the area common to all three circles.
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Dennis070sinneD
Apr 25, 2021
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393
1
Hello! Can you please help me?
How many cubic (i.e., third-degree) polynomials are there such that has nonnegative integer coefficients and ?
Note that the question asks about nonnegative integers, not positive integers. This means that you can
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Guest
Apr 25, 2021
-1
521
5
+218
Set Theory.. (Cphill, move your eyes over on this question plz)
In three sets Q, R and S, the following conditions are found.
In Q ∩ R there are 9 elements.
In Q ∩ S there are 4 elements.
In R ∩ S there are 11 elements.
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MathyGoo13
Apr 25, 2021
+10
560
2
+428
I want to check my answer
what is 1+2+3+4+5+6+7+8+...+998+999+1000
i got 500500 am I right
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Dennis070sinneD
Apr 25, 2021
0
643
2
Hard problem!
If $m$ and $n$ are odd integers, how many terms in the expansion of $(m+n)^6$ are odd?
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Guest
Apr 25, 2021
0
237
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Probability
You take the four Aces, four 2's, and four 3's from a standard deck of 52 cards, forming a set of 12 cards. You then draw three cards at random. What is the probability that you get an Ace, a 2, and a 3?
Guest
Apr 25, 2021
0
377
1
Let f(x) be an even function...
Let f(x) be an even function defined for all real numbers x and let g(x)=f(x+3)-5 You are told that the graph of y=g(x) passes through the point (2,-2) Then the graph of y=g(x) must also pass through the point (a,b) Enter your answer in the form "a,b
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Guest
Apr 25, 2021
0
380
1
help pleas
1Need a bit help on this: .
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Guest
Apr 25, 2021
0
578
1
I'm a bit confused on how to solve this.
A unit fractionis a fraction of the form 1/n for some nonzero integer n. Compute the number of ways we can write 1/6 as the sum of two distinct positive unit fractions. (The order of the fractions in the sum does not matter, so 1/2+1/3 would be considered
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Guest
Apr 25, 2021
-2
386
1
+16
please please help ASAP!!!!
. Suppose that scores on a knowledge test are normally distributed with a mean of 60 and a standard deviation of 3.4. Scores on an aptitude test are normally distributed with a mean of 110 and a standard deviation of 6.8. Boris scored a 55 on the knowledge
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luckystar042003
Apr 25, 2021
0
275
2
duda
El segundo término de una progresión geométrica es 45 y el quinto es 32,805 calcula el primer término, construye la progresión y calcula la suma de ellos
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Guest
Apr 25, 2021
0
432
1
12 divided 6 is 2
12 divided 6 is 2
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Guest
Apr 25, 2021
0
256
0
Rhombus
Rhombus ABCD has perimeter 148, and one of its diagonals has length 28. what is the area of ABCD?
Guest
Apr 25, 2021
0
257
0
Algebra
The smallest distance between the origin and a point on the graph of y = 1/3*x^2 - 9 can be expressed as a. Find a^2.
Guest
Apr 25, 2021
0
355
1
Probability
Two distinct numbers are selected simultaneously and at random from the set (1, 2, 3, 4, 5, 6, 7). What is the probability that the smaller one divides the larger one? Express your answer as a common fraction.
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Guest
Apr 25, 2021
0
257
0
Fraction please help
Hugo gave 1/4 of his money and an additional $1 to Calvin. He gave 1/5 of the remaining money and an additional $4 to Kenneth. The amount of money Hugo had left in the end was $31 more than the amount of money he gave to Kenneth. Find the amount of money
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Guest
Apr 25, 2021
-2
470
1
+16
HELP
Body mass index, or BMI, of 20-year-old men is normally distributed with a mean of 23 and a standard deviation of 3.8. Twenty-year-old Allan’s BMI has az-score of1.25. What is Allan’s BMI?
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luckystar042003
Apr 25, 2021
0
395
1
Fractions
1/2 of Alex's money was equal to 3/4 of Brayden's money. If Alex gave Brayden $5, then he would have $6 less than Alex. How much did Brayden have at first?
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Guest
Apr 25, 2021
-2
459
0
+16
PLEASE HELP ASAP
Suppose that the weights of 3200 registered female Great Danesin the United States are
distributed normally with a mean of 115 lb. anda standard deviation of 5.4 lb.
Approximately how many of the Great Danes weigh more than 125.8 lbs.? Round to the
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luckystar042003
Apr 25, 2021
0
382
1
Fractions
Liju and Benny had an equal number of pencils at first. Irad had 5 more pencils than Liju. After Benny gave away 10 pencils and Irad gave away 9 pencils, Benny had 2/5 as many pencils as Irad. How many pencils did Liju have?
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Guest
Apr 25, 2021
0
276
1
Algebra
Let a, b, c be the roots of the cubic polynomial x^3 - x - 1 = 2. Find a(b - c)^2 + b(c - a)^2 + c(a - b)^2.
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Guest
Apr 25, 2021
0
387
1
Equation of line
Find the equation whose graph is shown below. Write your answer in standard form. (Standard form is Ax + By = c, where A is positive, and A, B, and C are integers with greatest common divisor 1.)
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Guest
Apr 25, 2021
-2
498
2
+16
PLEASE HELP ASAP!!
2. Suppose that scores on a knowledge test are normally distributed with a mean of 60 and a standard deviation of 3.4. Scores on an aptitude test are normally distributed with a mean of 110 and a standard deviation of 6.8. Boris scored a 55 on the knowledge
read more ..
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luckystar042003
Apr 25, 2021
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