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203049 Questions
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34
1
Counting
How many numbers between 100 and 200 (inclusive) are not perfect squares nor perfect cubes?
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Guest
Sep 24, 2021
0
38
1
i need help rn
the sum of five consecutive even integers is 100. What are the integers?
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Guest
Sep 24, 2021
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44
1
help coordinates
Circle B has its center at (-6, 2) and a radius of 10 units. What is the sum of the y-coordinates of the two points on circle B that are also on the y-axis?
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Guest
Sep 24, 2021
0
48
1
help math
Write an equation of the perpendicular bisector of the segment with endpoints M(1,5) and N(7,−1).
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Guest
Sep 24, 2021
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58
1
help asap thank you
In the diagram below, we have and Find
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Guest
Sep 24, 2021
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46
2
Number Theory
Let n be a positive integer with exactly 3 positive prime divisors. If n^2 has 27 divisors, how many does n have?
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Guest
Sep 24, 2021
0
45
3
need help with math problem
Given the sequence defined by $a_n = 48 - 3n$, find all possible values of $k$ so that \[a_1 + a_2 + a_3 + \cdots + a_k = 330.\]
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Guest
Sep 24, 2021
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25
0
math problem
A list of 10 positive integers, each less than 15, has an average of 6. What is the maximum number of ones (the number 1, not the digit) that could be in the list?
Guest
Sep 24, 2021
0
33
1
pls help
In an arithmetic sequence, the sum of the second and eighth terms is $5$, and the product of the fourth and fifth terms is also $5$. What is the sum of the first $20$ terms of this sequence?
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Guest
Sep 24, 2021
0
50
2
PLEASE SOLVE!
https://web2.0calc.com/questions/not-sure-how-to-solve_1
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Guest
Sep 24, 2021
0
23
0
Counting problem
Alejandra's Tapas Bar offers a menu consisting of 9 savory and 5 sweet dishes. You can also get a mix-and-match plate consisting of two different dishes on the menu.
How many different mix-and-match plates can you get in total?
Guest
Sep 24, 2021
Sep 23, 2021
+1
38
2
+5
Help: show the steps
4^2 + (1 x 5 + 7^2) + 8
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Jasinrr
Sep 23, 2021
0
27
0
Coordinates
A circle passes through the point (12,0), and is tangent to the y-axis at the point (0,8). Find the radius of the circle.
Guest
Sep 23, 2021
0
25
0
Alg 1 : show the work please
4^2 + (1 x 5 + 7^2) + 8
Guest
Sep 23, 2021
0
23
0
Probability
Hong, the mailperson, delivers 5 letters to five houses. what is the probability she delivers all five letters correctly?
Guest
Sep 23, 2021
0
38
1
Help
Let $p(x)$ be a polynomial of degree 5 such that \[p(n) = \frac{n}{n^2 - 1}\]for $n = 2, 3, 4, \dots, 7$. Find $p(8).$
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Guest
Sep 23, 2021
0
56
1
geometry
The diagram shows a rectangle that has been dissected into nine non-overlapping squares. The smallest two squares have side lengths of 2 and 5, respectively. Find the perimeter of the entire rectangle.
read more ..
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Guest
Sep 23, 2021
0
31
1
Geometry
The lengths of two sides of ABC are 15 and 20, and the triangle perimeter is 50. What is the third side of ABC?
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Guest
Sep 23, 2021
0
35
1
help geometry
The side lengths of a right triangle measure x, x + y, and x + 2y units where 0 < y < x. What is the value of y/x? Express your answer as a common fraction
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Guest
Sep 23, 2021
0
36
1
Please help
One of the track and field events is the triple jump. In this event, the
athlete takes a running start band makes three jumps without stopping. Find
the total length of 3 jumps for an athlete who jumped feet on the first
one, feet
read more ..
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Guest
Sep 23, 2021
0
39
1
Oscar wants to use 3/4 of an ounce of chocolate syrup on each sundae he
Oscar wants to use 3/4 of an ounce of chocolate syrup on each sundae he
makes for his friends. How many sundaes can he top with the syrup if the
jar he has contains 9 ounces of syrup?
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Guest
Sep 23, 2021
0
41
2
help Number Theory
There are 12 ordered pairs of integers (x,y) that satisfy x^2 + y^2 = 25. What is the sum of all the x-values?
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Guest
Sep 23, 2021
0
46
0
A box of cereal contains 15 3/5 ounces of cereal. If a bowl holds 2 2/5 ounces of cereal, how many bowls of cereal are in one box?
A box of cereal contains 15 3/5 ounces of cereal. If a bowl holds 2 2/5 ounces of
cereal, how many bowls of cereal are in one box?
Guest
Sep 23, 2021
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