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Post New Question
All Questions
+0
230955 Questions
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625
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help
The isosceles right triangle ABC has its right angle at B and has area 1. The rays trisecting ABC intersect AC at E and F, where E is closer to A than it is to C. The area of BEF can be written in the form a - b for positive integers a, b, and c such
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Guest
Dec 23, 2018
0
872
2
+166
Help
1. If x is a real number such that 2^(2x+3)=14, find 2^x.
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grif389
Dec 23, 2018
0
2176
13
+166
Urgent
1. The product of two positive integers minus their sum is 39. The integers are relatively prime, and each is less than 20. What is the sum of the two integers?
2. If a is a constant such that 4x^2-12x+a is the square of a binomial, then
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grif389
Dec 23, 2018
0
1147
3
help plz.
Use the Euclidean algorithm to find integers $x$ and $y$ such that $164x + 37y = 1.$ State your answer as a list with $x$ first and $y$ second, separated by a comma.
(I know it is a repost of https://web2.0calc.com/questions/use-the-euclidean-algorithm-to-find-integers-x-and-y-such-that-164x-37y-1-state-your-answer-as-a-list-with-x-first-and-y-seco,
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Guest
Dec 23, 2018
0
907
4
+816
help quick nice
Parallelogram ABCD ahs side lengths 9cm and 13cm. Find the shortest integral length of AC.
tertre
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mathtoo
Dec 23, 2018
0
2988
1
A job cost the customer $28,244.66. If 41% of this job was labor, what was the actual labor cost to the customer?
A job cost the customer $28,244.66. If 41% of this job was labor, what was the actual labor cost to the customer?
off-topic
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Guest
Dec 23, 2018
+1
1217
1
+1206
help
A 2 by 2003 rectangle consists of unit squares as shown below. The middle unit square of each row is shaded. If a rectangle from the figure is chosen at random, what is the probability that the rectangle does not include a shaded square? Express your answer
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Logic
Dec 23, 2018
0
528
1
Help with complicated geometry problem, please
"A triangle has a ratio of 3:4:5. If its perimeter is 120 m, what is its area in square meters?"
Based on the ratio, the triangle seems scalene. I have computed for the lengths, and they are 30 m, 40 m, and 50 m. However, I am stuck
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Guest
Dec 23, 2018
0
574
2
Pls Help
If a, b, c, and d are replaced by four distinct digits from 1 to 9, inclusive, then what's the largest possible value of the difference a.bc - 0.d?
PartialMathematician
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Guest
Dec 23, 2018
+1
1487
7
+816
recriprocal
Find the sum of the reciprocals of the roots of x^2-13x+4=0.
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mathtoo
Dec 23, 2018
-1
1040
4
+4116
Help 17
Help 17
A target is made of a yellow square inside of a green square. What is the theoretical probability that a dart will hit the green square if the side length of the yellow square is 4, and the side length of the green square
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PartialMathematician
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NotSoSmart
Dec 23, 2018
-1
1554
3
+4116
Help 18
Help 18
Horn lengths of Texas longhorn cattle are normally distributed. The mean horn spread is 60 inches with a standard deviation of 4.5 inches.
Calculate the range of horn lengths for the middle 95% of Texas Longhorn
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NotSoSmart
Dec 23, 2018
-1
760
1
+4116
Help 19
Help 19
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NotSoSmart
Dec 23, 2018
-1
1166
6
+4116
Help 20
Help 20
John and Ted have a reputation for being late to events. If John is late 20% of the time, and Ted is late 40% of the time, what is the probability that both John and Ted will be on time? Show your work or explain how you got
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NotSoSmart
Dec 23, 2018
0
652
2
help please!!!
A positive integer $X$ is 2 more than a multiple of 3. Its units digit is the same as the units digit of a number that is 4 more than a multiple of 5. What is the smallest possible value of $X$?
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Guest
Dec 23, 2018
Dec 22, 2018
+1
1200
1
+4609
Review One
isn't the answer x divided by 2.
Simplify
Pretty nice question. Try to see the pattern!
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tertre
Dec 22, 2018
0
718
1
+315
Algebra 2
https://prnt.sc/ly4rl8
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Cupcake
Dec 22, 2018
0
950
1
+884
Inverse!!!
Find the number of values of x for which
is undefined.
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ant101
Dec 22, 2018
0
556
2
Help!!!!
The points (-3,2) and (-2,3) lie on a circle whose center is on the x-axis. What is the radius of the circle?
Pls explain.
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Guest
Dec 22, 2018
0
1399
2
find the slope between the points A(a+b,4m-n) and B(a-b,m+2n)
find the slope between the points A(a+b,4m-n) and B(a-b,m+2n)
if slope = Y2-Y1
X2-X1
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Guest
Dec 22, 2018
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