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237784 Questions
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WOO HOO!!!
After like 2 months of try hard grinding, I am finally made it to 500 likes. YA YEEEET! I am officially halfway there to my goal, 1000 likes.
I am proud of my achievement and I keep learning and growing from this incredible and educational
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nerdiest
Jul 18, 2022
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292
1
System question
a and b are real numbers and satisfy a*b^2 = 27/5 and ab = 135. Compute a + 5b.
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Guest
Jul 18, 2022
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294
1
geometry
Tim has a collection of square tiles of various sizes, each of which has an etched
quarter circle with radius equal to the side length of the tile. Tim arranges eight
tiles as shown. If the two smallest tiles each have side length 10 cm, what is the
length
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Guest
Jul 18, 2022
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282
1
Rates
A person rides a bike against the wind at 8 mph when he goes back the wind helps him. He traveled 4 miles total 2 to the shop and 2 back. If the round trip was 30 minutes longwhat is thomas's speed on the bike without the wind.
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Guest
Jul 18, 2022
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277
1
coordinates
A triangular region is bounded by the two coordinate axes and the line given by the equation 2x + 3y = 6. What is the area of the region, in square units?
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Guest
Jul 18, 2022
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293
1
number theory
Suppose that n is a positive integer for which the product 35n is divisible by 42. What is the least possible value of n?
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Guest
Jul 18, 2022
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270
1
help geometry
Twenty toothpicks, each 6 cm long, form a figure consisting of six equilateral trianlges and a rectangle as shown. what is the total area of the figure? Express your answer as a decimal to the nearest hundreth.
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Guest
Jul 18, 2022
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277
1
geometry
Segment AB is 2808 units long. Points X is the midpoint of segment AB. Point R is 3/5 of the way from X to B. Point S is 5/8 of the ways from X to R. How many units long is segment RS?
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Guest
Jul 18, 2022
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288
1
Percent
Jamie makes 120 slides of toast and puts at most one spread (jam, butter, or avocado) on each slide. She puts jam on 1/4 of the slices, butter on 25 of the slices, and avocado on 20% of the slides. How many slices of Jamie's toast have no spread?
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Guest
Jul 18, 2022
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295
1
patterns
Consecutive integers are arranged in three columns in the pattern shown. What number will appear in column C in row 100?
A B C
Row 1 1 2 3
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Guest
Jul 18, 2022
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322
6
I really need help with this question, I do not understand matrices.
I really need help with this question, I do not understand matrices.
Let and be vectors such that and such that the angle between and when placed tail to tail
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Guest
Jul 18, 2022
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282
2
number theory
A repunit is a number consisting only of the digit 1, such as 111 and 11111. Find the number of digits in the smallest repunit divisible by 21 and 9.
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Guest
Jul 18, 2022
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279
2
Probability
A Senate committee consists of 5 Republicans, 6 Democrats, and 2 Independents. A subcommittee of 3 members is randomly chosen. What is the probability that the subcommittee consists of three Democrats?
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Guest
Jul 18, 2022
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285
1
Probability
Mary picks two different single-digit counting numbers and multiply them together. What is the probability that the product is 8?
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Guest
Jul 18, 2022
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236
0
Overcounting permutation problem
In how many ways can the 10 kids in my class be seated in a circle if Aubrey and Fred; and Betty and Guang insist on being diametrically opposite each other I,e (Aubrey will sit opposite to Fred and Guang will sit opposite to Betty.)
Guest
Jul 18, 2022
0
292
1
Adi's nuts and Sugma
Adi and Sugma are back! Sugma buys 20 nuts from Bing Bow's Eat Foood. Adi and Sugma eat an unspecified number of nuts, and then the rest is given to Ligma. Ligma eats five and now has 2 nuts, which he puts away for later. If Adi ate
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Guest
Jul 18, 2022
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303
1
Right triangles
Find all values of t such that t - 1, t + 1, and 8 + t could be the lengths of the sides of a right triangle.
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Guest
Jul 18, 2022
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201
1
triangle
Determine the value of ? in the figure below.
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Guest
Jul 18, 2022
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297
1
trapezoid
Find the perimeter of the trapezoid below.
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Guest
Jul 18, 2022
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302
1
a rectangular parking lot has length that is 6 yards grater than width. The area of the parking los is 72 square yards
a rectangular parking lot has a length that is 6 yards greater than the width. The area of the parking lot is 72 square yards
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Guest
Jul 18, 2022
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270
1
integers
Find all positive integers n such that n^2 - 19n + 98 is a perfect square.
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Guest
Jul 18, 2022
0
1
207
1
algebra
Find all values of x such that 2x/(x + 2) = -8/(x + 4).
If you find more than one value, then list your solutions, separated by commas.
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Guest
Jul 18, 2022
0
285
2
help
what is vieta's formula? I try to understand it but I can't :(
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Guest
Jul 18, 2022
0
277
1
Algebra
Find all values of x such that 9 + 27/x + 8/x^2 = 7/x^2 + 24/x + 5
If you find more than one value, then list your solutions, separated by commas.
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Guest
Jul 18, 2022
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