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All Questions
+0
234932 Questions
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305
2
Help - Percent Puzzle
In this puzzle, the goal is to fill every empty square (including shaded squares) so that:
- Each square contains a positive digit (1-9). Digits may be reused.
- The percent next to a row gives the percent of the row sum contained in
read more ..
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Guest
Sep 28, 2021
0
327
1
Algebra
Find the product of all constants t such that the quadratic x^2 + tx - 18 can be facgtored in the form (x + a)(x + b), where a and b are integers.
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Guest
Sep 28, 2021
0
235
0
Coordinates
Segments AB and PQ share a midpoint. Point A is at (3, 2) and the endpoints of segment PQ are P(7, 9) and Q(9, 6). What is the sum of the coordinates of point B?
Guest
Sep 28, 2021
0
356
1
math
what two numbers are multiplied together to give -25 but added to give 20
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Guest
Sep 28, 2021
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214
0
Coordinates
he point with coordinates (5,-11) is the midpoint of the segment with one endpoint at (9,7). Find the sum of the coordinates of the other endpoint.
Guest
Sep 28, 2021
0
216
0
plz help
Simplify the following:
(2y-1)(4y^{10}+2y^9+3y^8+5y^7).
Express your answer as a polynomial with the degrees of the terms in decreasing order.
Guest
Sep 28, 2021
0
214
0
help algebra
The equation of the line that passes through the points (-3,5) and (0,-7) can be expressed in the form y=mx+b. What is the value of m+b?
Guest
Sep 28, 2021
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352
1
Algebra question
For how many integer value of a does the equation x^2+ax+8a=0 have integer solutions for x?
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Guest
Sep 28, 2021
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364
1
help Polynomials
When f(x) = ax^3 - 6x^2 + bx - 5 is divided by x - 1, the remainder is 5. When f(x) is divided by x - 2, the remainder is -53. Find the ordered pair (a,b).
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Guest
Sep 28, 2021
0
346
3
Help - Percent Puzzle
In this puzzle, the goal is to fill every empty square (including shaded squares) so that:
- Each square contains a positive digit (1-9). Digits may be reused.
- The percent next to a row gives the percent of the row
read more ..
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Guest
Sep 28, 2021
0
395
2
Expected value
1. Suppose we have a bag with 10 slips of paper in it. Eight slips have a 3 on them and the other two have a 6 on them. What is the expected value of the number shown when we draw a single slip of paper?
2. Suppose we have a
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Guest
Sep 28, 2021
+1
689
2
+589
Let y = mx + b . Write m in terms of x, y, and b.
Let y = mx + b . Write m in terms of x, y, and b.
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weredumbmaster22
Sep 28, 2021
0
1248
7
+589
The sum of two numbers a and b is 20. Write an expression for the sum of their squares, in terms of a.
The sum of two numbers a and b is 20. Write an expression for the sum of their squares, in terms of a.
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weredumbmaster22
Sep 28, 2021
0
353
1
help coordinates
What is the slope of a line perpendicular to the line containing the points (4,-7) and (-5,7) Express your answer as a common fraction.
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Guest
Sep 28, 2021
+1
515
1
+589
A rectangular plot of land has dimensions x meters by y meters. The plot of land is 216 square meters in area. Farmer Ted encloses the
A rectangular plot of land has dimensions x meters by y meters. The plot of land is 216 square meters in area. Farmer Ted encloses the rectangle with a fence and then divides the rectangle into two equal parts with another fence of length x meters
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weredumbmaster22
Sep 28, 2021
Sep 27, 2021
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270
1
Geometry
Circle Gamma is the incircle ABC of and is also the circumcircle of XYZ. The point X is on BC, point Y is on AB, and the point is Z on AC. If angle A = 40, angle B = 80, and angle C = 60, what is the measure of angle AYX?
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Guest
Sep 27, 2021
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220
0
Coefficient
Find the coefficient of y^4 in the expansion of (2y-7)^5.
Guest
Sep 27, 2021
0
322
1
+10
In how many ways can 4 distinct balls be distributed into 3 identical boxes if no box is empty?
In how many ways can 4 distinct balls be distributed into 3 identical boxes if no box is empty?
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goldenroses
Sep 27, 2021
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367
6
Geometry
In triangle ABC, the measure of angle A is 86 degrees. The measure of angle B is 28 degrees more than three times the measure of angle C. What is the measure, in degrees, of angle C?
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Guest
Sep 27, 2021
0
282
1
geometry
In right triangle ABC, shown here, AB = 15 units , AC = 30 units, and points D, E, and F are the midpoints of AC, AB, and BC, respectively. In square units, what is the area of triangle DEF?
read more ..
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Guest
Sep 27, 2021
0
353
1
pls help!!
The number of stickers Kevin had was more than the number of stickers John had.
After Kevin gave 96 stickers to John, John had twice as many stickers as Kevin. How
many stickers did John have at the end?
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Guest
Sep 27, 2021
0
193
0
help pls
For how many ordered pairs of positive integers (x,y) does the equation 1/x + 2/y = 2/5 hold?
Guest
Sep 27, 2021
0
218
0
Algebra
Write a^4 + a^2 + 1 as a product of two monic quadratics with integer coefficients.
Guest
Sep 27, 2021
0
279
1
Help me to solve this problem
At a game stall, each child needed 3 coupons to redeem a gift, while an adult needed 7 coupons. Given that 2/3 of the people who redeemed gifts with their coupons were children and total of 1248 coupons were collected by the gam stall, how many adults
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Guest
Sep 27, 2021
0
358
1
Please assist. Thanks.
Tom has 1,250 cards, and John has 240 cards more than Tom. How many cards must Tom give John, so that John has 4 times as many cards as Tom?
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Guest
Sep 27, 2021
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