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All Questions
+0
230833 Questions
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198
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help quadratic
Find the equation of the quadratic function whose graph is a parabola containing the points(0 ,4)(3 ,19) and(4,68) .
Guest
Sep 11, 2021
+1
329
1
PLEASE HELP!!! YOU FORGOT TO ANSWER THIS QUESTION!!!
https://web2.0calc.com/questions/i-really-don-t-know-how-to-answer-this-question
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Guest
Sep 11, 2021
0
334
1
Plase help me :(
https://web2.0calc.com/questions/plea-help-tia
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Guest
Sep 11, 2021
0
179
0
help geometry
Two circles have the same center (Circles which have the same center are called concentric.) The larger circle has radius 10 and the smaller circle has radius 5. Determine the area of the ring between these two circles.
read more ..
Guest
Sep 11, 2021
0
454
3
Probability
When rolling two standard cubes (6-sided die), what is the probability that you roll sum of 11? Convert your answer to decimal form, then round to 3 decimal places
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Guest
Sep 11, 2021
+1
515
2
+589
Paul has a mix of quarters and dimes in his piggybank. He has twice as many dimes than he has quarters. He counts all his coins and notices
Paul has a mix of quarters and dimes in his piggybank. He has twice as many dimes than he has quarters. He counts all his coins and notices that he has in total. How many quarters does Paul have?
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weredumbmaster22
Sep 11, 2021
+1
768
2
+589
Seven consecutive integers are added. The sum is 6 times the greatest of the seven integers. What is the smallest integer?
Seven consecutive integers are added. The sum is 6 times the greatest of the seven integers. What is the smallest integer?
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weredumbmaster22
Sep 11, 2021
+2
521
3
+589
Yaneev thinks of a number $y.$ He subtracts three from the number, then doubles it. Then he subtracts three again, and doubles the number ag
Yaneev thinks of a number He subtracts three from the number, then doubles it. Then he subtracts three again, and doubles the number again. The result is his original number What is ?
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weredumbmaster22
Sep 11, 2021
+1
311
1
Seven consecutive integers are added. The sum is 6 times the greatest of the seven integers. What is the smallest integer?
Seven consecutive integers are added. The sum is 6 times the greatest of the seven integers. What is the smallest integer?
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Guest
Sep 11, 2021
+1
360
1
Paul has a mix of quarters and dimes in his piggybank. He has twice as many dimes than he has quarters. He counts all his coins and notices
Paul has a mix of quarters and dimes in his piggybank. He has twice as many dimes than he has quarters. He counts all his coins and notices that he has in total. How many quarters does Paul have?
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Guest
Sep 11, 2021
+3
753
1
+589
A fuel tank is 1/6 full. When 2 gallons of gasoline are added, the tank becomes 1/4 full. What is the total fuel capacity of the tank in gal
A fuel tank is 1/6 full. When 2 gallons of gasoline are added, the tank becomes 1/4 full. What is the total fuel capacity of the tank in gallons?
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weredumbmaster22
Sep 11, 2021
0
365
1
Inequality
Solve the inequality 2x - 5 <= -x +12 - 3x + 6. Give your answer as an interval.
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Guest
Sep 11, 2021
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243
1
Probability
We flip a fair coin 10 times. What is the probability that we get heads in at least 5 of the 10 flips?
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Guest
Sep 11, 2021
0
250
1
aLgEbrA
Let
Then can be expressed in the form where and are positive integers. Find the smallest possible value of
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Guest
Sep 11, 2021
Sep 10, 2021
+1
449
2
help plz
Jack has twice as many dimes as quarters. If the total value of the coins is $6.30, how many dimes does he have?
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Guest
Sep 10, 2021
0
349
1
Algebra
Mark wants to paint a mural. He has 1 1/4 gallons of yellow paint, 1 1/5 gallons of green paint and 7/8 gallon
of blue paint. Mark plans to use 3/4 gallon of each paint color. How many gallons of paint will he have left
after painting the mural? Enter
read more ..
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Guest
Sep 10, 2021
0
378
1
Counting
How many arrangements of the numbers 1,2,3,4,5,6,7,8,9 are there where the sum of any two adjacent numbers is odd?
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Guest
Sep 10, 2021
+1
381
1
No product of perfect squares in subset of integers
There is a set S of integers {1,2,⋯,100}. How many elements does the largest subset of S have so that the product of no 2 distinct elements in S is a perfect square? Prove that this is the maximum.
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Guest
Sep 10, 2021
0
316
1
Percent
What is 40% of 120% of x?
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Guest
Sep 10, 2021
0
361
1
help counting
The Grammar club has 20 members: 10 boys and 10 girls. A 4-person committee is chosen at random. What is the probability that the committee has at least 1 boy and at least 2 girls?
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Guest
Sep 10, 2021
0
254
1
Function
We define a function f(x) such that f(11) = 34, and if there exists an integer a such that f(a) = b, then f(b) is defined and f(b) = b - 1 if is odd, f(b) = b/2 if b is even. What is the smallest possible number of integers in the domain of f?
read more ..
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Guest
Sep 10, 2021
0
197
0
Algebra
Let a, b, c, d, and e be positive integers. The sum of the four numbers on each of the five segments connecting "points" of the star is 28. What is the value of the sum a + b + c + d + e?
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Guest
Sep 10, 2021
0
455
1
Help Please!
Determine the sum of all real numbers x satisfying $(x^2 - 4x +2)^{x^2-5x + 2}$
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Guest
Sep 10, 2021
0
446
2
I almost solved this question, but I'm stuck at the last part, can someone explain this?
Kumar bought 5 posters and 11 cards with 1/3 of his money. The cost of each poster was 3 times the cost of each card. He bought some more posters with 3/4 of his remaining money.
(a) What was the greatest number of cards Kumar could buy with 1/3
read more ..
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Guest
Sep 10, 2021
0
249
1
HELP
Ahmad had $160 more than Billy.
Ahmad gave 20% of his money to Billy.
Billy then gave half of his money to AHmad.
In the end, Ahmad had $180 more than BIlly.
read more ..
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Guest
Sep 10, 2021
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