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215361 Questions
0
32
1
Binomials
For what real values of s is 9x^2 + sx + 4 the square of a binomial?
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Guest
Jun 21, 2022
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32
1
quadratic
Find constants a, h, k such that 3x^2 + 4x + 1 = a(x - h)^2 + k.
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Guest
Jun 21, 2022
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36
1
+95
Math. .
The pie chart below shows the survey results of the sports 200 pupils like. The number of pupils who like badminton only and basketball only is the same.
(a) How many pupils like basketball only?
(b)
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Robtlukas
Jun 21, 2022
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32
1
help math
The sum of all the digits used to write the whole numbers 10 through 13 is 1+0+1+1+1+2+1+3 = 10. What is the sum of all the digits used to write the whole numbers 1 through 400, inclusive?
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Guest
Jun 21, 2022
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32
1
math
There were 900 sweets in boxes a b c. 18 sweets were transfered from a to b. 5 sweets were transferred from b to c. 1/3 of the sweets in c were then transferred to a. There were an equal number of sweets in all 3 boxes. How many sweets were in each
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Guest
Jun 21, 2022
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46
1
+176
Help me with this ASAP pls!!!!
Andy, Ben and Calvin had a total of 840 sweets. The ratio of the number of sweets Ben had to the number of sweets Calvin had was 1:4. After Andy and Ben each gave away 1/2 of their sweets, the three children had 620 sweets left. How many sweets did Ben
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Whayousayy
Jun 21, 2022
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44
1
quadratic
For what constant k is -1 the minimum value of the quadratic 4x^2-12x+k+x^2+2x over all real values of x? x can not be unreal
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Guest
Jun 21, 2022
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44
3
Coordinates
Find the radius of the circle given by x^2-10x+y^2+8y=18
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Guest
Jun 21, 2022
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40
1
help ratio
Our company parking lot has cars, trucks, and motorcycles. The ratio of cars, trucks, and motorcycles is If there are a total of 42 cars and trucks, then how many motorcycles are there?
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Guest
Jun 21, 2022
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38
2
Algebra
Currently, I am 9 times as old as my son. Next year, I will be 6 times as old as my son. How old is my son now?
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Guest
Jun 21, 2022
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32
1
quadratic
If t is a real number, what is the maximum possible value of the expression -t^2 + 8t -4 - 3t^2 - 11?
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Guest
Jun 21, 2022
0
43
2
Can I get some help
An eight-digit integer is formed by repeating a positive four-digit integer. For example, 25,632,563 or 60,786,078 are integers of this form. What is the greatest common divisor of all eight-digit integers of this form?
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Guest
Jun 21, 2022
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39
1
geometry
Angle bisectors AX and BY of triangle meet ABC at point I. Find angle C in degrees, if angle AIB = 103.
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Guest
Jun 21, 2022
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38
1
Inequality
Let a be the smallest integer satisfying the inequality x^2 - 15 < 2x + 7x - 40, and let b be the largest integer satisfying the same inequality. What is b-a?
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Guest
Jun 21, 2022
0
33
2
quadratic
What real value of t produces the smallest value of the quadratic t^2 -9t - 36 + t^2 - t + 24?
CPhill
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Guest
Jun 21, 2022
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23
0
polynomials
Let a, b, c be the roots of the equation 2x^3+4x^2-5x-3=0. Build a cubic equation which has roots a^2, b^2, c^2.
Guest
Jun 21, 2022
0
29
1
help algebra
If A, b, and c are the roots of the equation 2x^3-6x^2-15x-3=0, then find a^2 + b^2 + c^2.
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Guest
Jun 21, 2022
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25
0
Functions
let f(x)=3x+2 and g(x)=ax+b, for some constants a and b. If ab=30, and f(g(x))=g(f(x)), for x=0,1,2...9, find the sum of all possible values of a. Thanks!
Guest
Jun 21, 2022
0
35
1
coordinates
The square with vertices (-a, -a), (a, -a), (-a, a), (a, a) is cut by the line y = x/3 into congruent quadrilaterals. The perimeter of one of these congruent quadrilaterals divided by a equals what? Express your answer in simplified radical form.
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Guest
Jun 21, 2022
0
35
1
quadratic
If the two roots of the quadratic 4x^2 + 7x + k are (-7 +/- i*sqrt(79))/8, what is k?
BuilderBoi
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Guest
Jun 21, 2022
0
38
1
Algebra
Find all real numbers a that satisfy
1/(a^3 + 7) = -a^3/(a^3 + 7)
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Guest
Jun 21, 2022
0
34
1
word problem
Five times a number is divided by 7 more than that number. If the result is -8, then what was the original number?
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Guest
Jun 21, 2022
0
41
2
Equation
Solve for x: (3x + 12)(x + 4) = (4x^2 + 8x + 8x^2)/(2x).
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Guest
Jun 21, 2022
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40
1
Algebra
An aquarium tank is 1/6 full of water. When 2 gallons of water are added, the tank becomes 1/3 full. What is the total capacity of the aquarium tank, in gallons?
BuilderBoi
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Guest
Jun 21, 2022
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