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215359 Questions
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22
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Counting problem
Twelve students in Mrs. Stephenson's class have brown eyes. Twenty students in the class have a lunch box. Of Mrs. Stephenson's 40 students, what is the least possible number of students who have brown eyes and a lunch box?
Guest
Jul 1, 2022
0
28
1
Help with this please
Students were surveyed to determine their favorite types of animals. The bar graph shows the number of students who selected each type of animal.
What percentage of the students surveyed
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Guest
Jul 1, 2022
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33
1
Counting
How many positive 3-digit numbers are multiples of 20, but not of 50?
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Guest
Jul 1, 2022
0
38
1
stats
The set {5, 8, 10, 16, 18, 28, 30, x} has eight members. The mean of the set's members is 4.5 less than x. What is the value of x?
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Guest
Jul 1, 2022
0
40
1
assuming that x isnt equal to 1/2 simplify 8x^2 - 4x / 4x - 2 PLSS
assuming that x isnt equal to 1/2 simplify 8x^2 - 4x / 4x - 2
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Guest
Jul 1, 2022
0
29
1
Inequality
Find the largest integral value of x which solves: 1/3 < x/5 < 58/3
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Guest
Jul 1, 2022
0
69
3
assuming that x isnt equal to 1/2 simplify 8x^2 - 4x / 4x - 2
assuming that x isnt equal to 1/2 simplify 8x^2 - 4x / 4x - 2
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Guest
Jul 1, 2022
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24
0
Probability
A bag contains 4 Kit Kats, 3 Snicker Bars, 1 Hershey Bar. Howie chooses a candy bar at random and eats it. Then Ellen chooses a candy bar. What is the probability that Howie chooses a Hershey Bar and Ellen chooses a Snicker Bar? Write your answer as
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Guest
Jul 1, 2022
0
34
1
please help python
Find values of , , and so that the program:
a = # fill in
b = # fill in
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Guest
Jul 1, 2022
0
40
1
assuming that x isnt equal to 1/2 simplify 8x^2 - 4x / 4x - 2
assuming that x isnt equal to 1/2 simplify 8x^2 - 4x / 4x - 2
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Guest
Jul 1, 2022
0
24
0
help counting
In a class of 50 students, 28 participate in MATHCOUNTS, 27 participate in science club, and 2 students participate in neither. How many students participate in both MATHCOUNTS and science club?
Guest
Jul 1, 2022
0
44
2
Counting lists
How many numbers are in the list -36, -29, -22, ..., 41, 48, ..., 104, 111?
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Guest
Jul 1, 2022
0
42
2
+204
What is the largest value of k such that the quadratic x^2 - 5x + k has at least one real root?
What is the largest value of k such that the quadratic x^2 - 5x + k has at least one real root?
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Blizzardshine
Jul 1, 2022
0
40
1
caleb and paul bought a gift for their younger sister. caleb contributed 8 dollars for
caleb and paul bought a gift for their younger sister. caleb contributed 8 dollars for
every 13 dollars the gift cost. overall, paul contributed 6 fewer dollars than caleb. what was the cost of the present?
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Guest
Jul 1, 2022
0
33
1
Geometry
The dimensions of a rectangular prism are 1.5 feet by 3.5 feet by 2 feet. What is the volume of the rectangular prism in cubic feet?
A. 7 ft^3
B. 7.25 ft^3
C. 8.5 ft^3
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Guest
Jul 1, 2022
0
38
1
If x = 3/4 and y = 4/3 , find the value of 1/2 x^6 y^7
If x = 3/4 and y = 4/3 , find the value of 1/2 x^6 y^7
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Guest
Jul 1, 2022
0
31
1
Counting problem
Of the 50 students in the drama club, 36 take mathematics, 27 take physics and 24 students take both mathematics and physics. How many drama club students take neither mathematics nor physics?
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Guest
Jul 1, 2022
0
37
1
help hard geometry
In the diagram, AB, BC, CD, DE, EF, FG, GH, and HK all have length 4, and all angles are right angles, with the exception of the angles at D and F. Find the area of the polygon.
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Guest
Jul 1, 2022
0
35
1
Circles
A watered circular field (shaded) is inscribed in a square plot of land. The square plot has sides of length 50 meters. What is the area of the land that is watered? Express your answer to the nearest square meters.
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Guest
Jul 1, 2022
0
36
1
algebra
An assortment of 200 pencils is sold through a catalog for 19.90. Shipping is an additional 2.95. Including the charges for both the pencils and the shipping, what is the average cost, in cents, for each pencil? Express
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Guest
Jul 1, 2022
+1
47
2
+204
How many solutions of the system x - y = 3, x^2 - y = -1 are there such that both x and y are real?
How many solutions of the system x - y = 3, x^2 - y = -1 are there such that both x and y are real?
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Blizzardshine
Jul 1, 2022
0
32
2
help with angles
The measure of an interior angle of a regular decagon is how many degrees greater than the measure of an interior angle of a regular hexagon?
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Guest
Jul 1, 2022
0
33
1
Probability
We have a cube with 4 blue faces and 2 red faces. What's the probability that if we color the faces randomly, then the red faces will be adjacent?
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Guest
Jul 1, 2022
0
32
2
counting problem
Five couples were at a party. If each person shook hands exactly once with everyone, how many handshakes were exchanged? (Note: One obviously doesn't shake hands with oneself.)
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Guest
Jul 1, 2022
0
29
1
help plz
How many times does the digit 9 appear in the list of all integers from 1 to 5000? (The number 99, for example, is counted twice, because 9 appears two times in it.)
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Guest
Jul 1, 2022
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