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Post New Question
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232979 Questions
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507
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plz help im so stuck
Let x and y be integers. Show that 9x+5y is divisible by 19 if and only if x+9y is divisible by 19.
any help would be apprieceated. thank you in advnce!
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Guest
Jul 6, 2020
0
398
0
PLEASE HELP
The equation z^3 = -2 - 2i has 3 solutions. What is the unique solution in the fourth quadrant? Enter in your answer in rectangular form.
Thanks in advance!
Guest
Jul 6, 2020
-1
2039
1
+334
help asap
Fill in the blank with a constant, so that the resulting quadratic expression is the square of a binomial.
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Rayjplayz
Jul 6, 2020
0
911
1
+22
I NEED HELP LIKE NOW!!
How many ordered pairs $(x,y)$ of positive integers satisfy the inequality $4x+5y < 20$?
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happypotato
Jul 6, 2020
-1
546
1
+334
Halp!
All sacks of sugar have the same weight. All sacks of flour also have the same weight, but not necessarily the same as the weight of the sacks of sugar. Suppose that two sacks of sugar together with three sacks of flour weigh no more than $40$ pounds, and
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Rayjplayz
Jul 6, 2020
0
496
1
help
If we divide a 2-digit positive integer by the sum of its digits, we get the quotient and remainder of 4 and 3, respectively.
If we divide the same 2-digit positive by the product of its digits, we get quotient and remainder of 3 and 5, respectively.
read more ..
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Guest
Jul 6, 2020
0
2220
1
+212
The distance between the points (x,21) and (4,7) is 10sqrt2 Find the sum of all possible values of x.
The distance between the points (x,21) and (4,7) is 10sqrt2 Find the sum of all possible values of x.
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Filliqq
Jul 6, 2020
0
376
1
help
Given the digits 1, 2, 2, 3, 3, 3, how many 4-digit numbers can we build from these digits?
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Guest
Jul 6, 2020
0
445
2
Geo help?
M is the midpoint of PQ and N is the midpoint of PR, and O is the intersection of QN and RM, as shown. If QN is perpendicular PR, QN = 12, and PR = 14, then find OR.
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Guest
Jul 6, 2020
-1
622
3
+334
halp
Find a linear inequality with the following solution set. Each grid line represents one unit.
(Give your answer in the form or where and are
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Rayjplayz
Jul 6, 2020
0
479
2
help
If , then find the value of
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Guest
Jul 6, 2020
0
482
1
+334
helllp
Find the value of $B - A$ if the graph of $Ax + By = 3$ passes through the point $(-7,2),$ and is parallel to the graph of $x + 3y = -5.$
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Rayjplayz
Jul 6, 2020
0
530
2
help
Find the maximum value of the function f(x) = -3x^2 + 9x + 7.
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Guest
Jul 6, 2020
0
318
1
help with counting
A number plate of a car has 2 letters and 3 numbers (like: AZ 580). It is given that, the first number cannot be 0. How many kind of number plates can be made?
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Guest
Jul 6, 2020
-1
493
1
+334
halp!
The perpendicular bisector of the line segment connecting the points $(-3,8)$ and $(-5,4)$ has an equation of the form $y = mx + b$. Find $m+b$.
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Rayjplayz
Jul 6, 2020
0
410
1
help
If n is a positive integer such that the units digit of n^2 + 4n is 7 and the units digit of n is not 7, what is the units digit of n + 3?
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Guest
Jul 6, 2020
+1
566
2
+14
Please Help
A guy wire is a rope or cable that is used to brace something. A guy wire is attached to the top of a 210m telecommunications tower and is anchored 100m from the base of the tower. Find the lenght of the guy wire if an additional 1 m is used to attach the
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HomieForFun
Jul 6, 2020
0
509
2
help
What is the value of the infinite product
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Guest
Jul 6, 2020
+1
502
1
+334
Halp!
The lines $x=\frac{1}{4}y+a$ and $y=\frac{1}{4}x+b$ intersect at the point $(1,2)$. What is $a+b$?
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Rayjplayz
Jul 6, 2020
+1
552
1
+334
Halp please
The points $(x, y)$ represented in this table lie on a straight line. The point $(13, q)$ lies on the same line. What is the value of $p + q?$ Express your answer as a decimal to the nearest tenth.
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Rayjplayz
Jul 6, 2020
0
444
1
help
Find the 12th number in the sequence
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Guest
Jul 6, 2020
0
444
3
help
Let be a geometric sequence. If and then find the geometric mean of all 99 terms.
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Guest
Jul 6, 2020
0
2024
2
Let ABCD be a parallelogram such that AB = 10, BC = 14, and angle A = 45 degrees. Find the area of the parallelogram.
Let ABCD be a parallelogram such that AB = 10, BC = 14, and angle A = 45 degrees. Find the area of the parallelogram.
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Guest
Jul 6, 2020
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