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All Questions
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154831 Questions
+1
33
1
help
Kyle has five tires but only uses four at a time on his car. He has rotated the five tires on his car so that each tire has been on the car for the same number of miles. If the car has been driven 90,000 miles, for how many miles was each of the five tires
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Guest
Nov 7, 2019
+1
26
0
Help!!
I have a science review and i cant answer 19 which is describe some applications of acids and bases, and i cant answer 20 whic is how is acid precipitation formed? describe some problems created by acid precipitation and some methods used to help prevent
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off-topic
Guest
Nov 7, 2019
+1
45
6
+656
what is the parallelogram rule for vectors
i'm really confused, what is it?
sorry idk why it posted two ):
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Nirvana
Nov 7, 2019
0
0
0
+656
what is the parallelogram rule for vectors
i'm really confused, what is it?
Nirvana
Nov 7, 2019
+3
34
2
+198
GEOMETRY III
Triangle ABC has circumcenter O. If AB = 10 and the area of OAB is 30, find the circumradius of triangle ABC.
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mathleteig
Nov 7, 2019
+2
31
1
help
Alicia is 150 centimeters tall. On a sunny day, she casts a 200-centimeter shadow at the same time that a flagpole casts a 24-meter shadow. How many meters tall is the flagpole?
mathleteig
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Guest
Nov 7, 2019
+3
41
5
+198
GEOMETRY II
In triangle ABC, the circumcenter and orthocenter are collinear with vertex A. Which of the following statements must be true?
(1) must be an isosceles triangle.
(2) must be an equilateral triangle.
(3) must
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mathleteig
Nov 7, 2019
+1
31
1
Help ASAP need done by tomorrow
The set of all solutions of the system
is a quadrilateral region. Find the number of units in the length of the longest side. Express your answer in simplest radical form.
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Guest
Nov 7, 2019
Nov 6, 2019
+1
47
1
Help quick
In triangle $ABC$, $\angle ABC = 90^\circ$ and $AD$ is an angle bisector. If $AB = 90,$ $BC = x$, and $AC = 2x - 6,$ then find the area of $\triangle ADC$. Round your answer to the nearest integer.
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Guest
Nov 6, 2019
+1
44
1
+1364
i just need help with this last one
i just need help with this last one
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jjennylove
Nov 6, 2019
+1
43
2
Chemistry equation help
I'm really confused as to how they got 3.16? I don't this equation loads of times and I've always ended up with 3.10, can someone please explain this to me?
off-topic
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Guest
Nov 6, 2019
+2
33
2
+64
help?
Find the smallest positive integer N with the following property: of the three numbers N, N+1, and N+2, one of them is divisible by , one of them is divisible by , one is divisible by , and one is divisible by .
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pinklemonade
Nov 6, 2019
0
30
1
help
Two angles of a triangle have a ratio of 5 to 7. The third angle has a measure of 72 degrees. What is the measure in degrees of the smallest angle in the triangle?
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Guest
Nov 6, 2019
0
26
1
help
What is the units digit of the quotient when 10! is divided by 5^2?
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Guest
Nov 6, 2019
+1
41
9
+1364
1 question
im unsure how to go forth in answering this question, can someone help me?
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jjennylove
Nov 6, 2019
0
32
2
Number Theory
How many perfect cubes are also factors, or divisors, of 25! (factorial)?. Thank you for any help.
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Guest
Nov 6, 2019
+1
27
1
help
Given any positive even integer, x, the positive difference between the smallest odd number greater than 7x − 2 and the largest odd number less than 3x + 5 can be written in the form ax + b. What is a + b?
ElectricPavlov
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Guest
Nov 6, 2019
0
0
0
+142
If You're New, Come Be A Helpful User Here At Web2.0calc!!!
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off-topic
killersteve27
Nov 6, 2019
+1
34
4
((1/4+1/2) ÷ 4/5) x 8/9-5/6+1/5 x 3/8 (the 1/4 1/2, etc. are fractions)
((1/4+1/2) ÷ 4/5) x 8/9-5/6+1/5 x 3/8 (the 1/4 1/2, etc. are fractions, the x is multiply. I know you can use *, but Its easier to use x.)
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Guest
Nov 6, 2019
+1
20
1
help
A regular hexagon is divided into six congruent equilateral triangles. If the perimeter of one of the triangles is 39 inches, what is the perimeter of the regular hexagon, in inches?
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Guest
Nov 6, 2019
+1
30
2
Any Help Would Be Appreciated
Suppose the function f(x,y,z)=xyz is defined for x+y+z=7,x, y, z=>0 . What is the range of f?
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Guest
Nov 6, 2019
+1
26
3
help
The sum of three consecutive one-digit, positive, odd integers is one-seventh of the product of the same three integers. What is the middle integer when the three integers are listed in ascending order?
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Guest
Nov 6, 2019
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