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Post New Question
All Questions
+0
230625 Questions
0
428
2
Radical Expressions and Functions
Calculate sqrt75x * sqrt2x * sqrt14x. Express your answer in simplest radical form in terms of x.
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Guest
Aug 7, 2020
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555
1
Radical expressions and functions
If a rectangular prism has a length of l, a width of w, and a height of h, then the length of its diagonal is equal to sqrt(l^2+w^2+h^2). Suppose l=3 and h=12; if the length of the diagonal is 13, what is the width?
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Guest
Aug 7, 2020
0
1114
0
+234
More help (Comprehension math question)
A polling agency wanted to test whether a ballot measure would pass with greater than 50% yes voted. The agency sampled 1000 registered voters selected at randoma nd 50.6% of the voters favored the ballot measure. The margin of error associated with this
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BLANK
Aug 7, 2020
0
456
1
please help with angles
Given: AB ∥ DC , m CB =62°, m∠DAB=104° Find: m∠DEA, m∠ADB
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Guest
Aug 7, 2020
0
850
4
+234
Another Sat question
The circumference c of a mother elephant's circular footprint is 4 times the circumference of a baby elephant's circular footprint. What is the ratio of the height of the mother to the height of the baby?
A) 1 to 4
B) 1 to
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BLANK
Aug 7, 2020
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450
1
help with geometry
Find the surface area of the prism.
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Guest
Aug 7, 2020
0
547
4
+161
Does anyone know?
https://web2.0calc.com/questions/not-a-question-but-i-want-to-see-if-people-know-how
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tigernathan
Aug 7, 2020
Aug 6, 2020
0
437
1
system problem
What are x, y, and z?
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Guest
Aug 6, 2020
+4
834
1
+185
Geometry, please help + explain!
Let TU and VW be chords of a circle, which intersect at S, as shown. If ST=3, TU=15, and VW=3, then find SW.
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Otterstar
Aug 6, 2020
0
595
10
+234
Sat question Confusion.
Why is the answer B and not C? He was traveling at .5 mpm and for 4 seconds.
So it should be .5 x 4 = 2?
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BLANK
Aug 6, 2020
0
746
1
need help
A passenger train traveled 180 miles in the same amount of time it took a freight train to travel 120 miles. The rate of the freight train was 15 miles per hour slower than the rate of the passenger train. Find the rate of the passenger train.
read more ..
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Guest
Aug 6, 2020
+1
611
2
+161
Not a question, but I want to see if people know how to solve this. This problem is one of my favorite problems!
Let X,Y, and Z be points such that If , , then what is the sum of the coordinates of X?
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tigernathan
Aug 6, 2020
0
597
3
geometry
Find the value of angle x.
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Guest
Aug 6, 2020
+1
837
9
+234
Comprehensive sat question
A political scientist wants to predict how the residents of NJ will react to a new bill proposed in the state senate. Which of the following study designs is most likely to provide reliable results for political scientist?
A) Mailing
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BLANK
Aug 6, 2020
-1
1315
2
+234
Sat Problem (no calculator)
(x-6)2 +(y-3)2 = 25
the equation above is a circle. If the circle is translated downward a usits such that the circle is tangent tot he x-axis, the equation becomes (x-6)2 +(y-3+a)2 = 25. What is the value
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BLANK
Aug 6, 2020
0
389
1
math help plz!
A 23-nice-number is a positive integer that equals 23 times of the sum of it's digits. Let n be the smallest 23-nice-number. What is the idfference between the largest digit and the smallest digit of n?
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Guest
Aug 6, 2020
0
436
1
For how many positive integers n<=1000, 2^n - 1 is divisible by 7?
For how many positive integers n<=1000, 2^n - 1 is divisible by 7?
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Guest
Aug 6, 2020
0
514
1
please help
Find the measure of ∠BEF
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Guest
Aug 6, 2020
+1
490
2
+479
Help ASAP
Find the number of four-digit numbers which are not divisible by 4?
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HelpBot
Aug 6, 2020
0
573
2
counting question
how many unique 10 digit numbers can be formed if the number 2 is in the first place and repetition is allowed?
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Guest
Aug 6, 2020
0
581
1
Pls Help any answer will help thank you
There are 15 red, 11 blue, and 13 green cubes in a bag. all cubes are identical, except for color. How many cubes must be randomly selected to ensure that at least one pair of each color has been removed from the bag?
Hint: pigeonhole
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Guest
Aug 6, 2020
0
460
1
please help
I need to find AB.
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Guest
Aug 6, 2020
0
345
1
HELP ASAP SERIOUS
Evaluate the sum
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Guest
Aug 6, 2020
0
482
1
question about line
A line passes through point (4,-3) and has a slope of 5/3. Write an equation in Ax + By = C
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Guest
Aug 6, 2020
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