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All Questions
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232635 Questions
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215
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help counting
Using the digits 2, 3, 4, 7 and 8, Carlos will form five-digit positive integers. Only the digits 2 and 3 can be used more than once in any of Carlos’ five-digit integers. How many distinct fivedigit positive integers are possible?
Guest
Jun 19, 2021
0
300
1
Please help asap!
A barista has to make sixty pounds of a special blend of coffee at Moonbucks, using Hazelnut Happiness beans and Pecan Delight beans. If there are fourteen fewer pounds of Hazelnut Happiness beans in the mixture than Pecan Delight beans, then how many pounds
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Guest
Jun 19, 2021
0
251
0
I bet you can't solve this problem
Compute the smallest positive real solution to the equation sin(7x) = cos (3x − π/14) + 2.
Guest
Jun 19, 2021
0
378
4
Minimum/Maximum Problem
The difference between two numbers is 4. The sum of their squares is a minimum. What are the numbers? so far I have a - b = 4 and a^2 + b^2 = c (c is a minimum) then I isolated for a and plugged it into the second equation a = 4 + b then (4+b)^2 + b^2 =
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Guest
Jun 19, 2021
0
687
1
+58
Fractions
Paul spent 1/4 of his money on a food and another 3/10 of his money on soda. If he
started with $5 how much of his money is left?
ElectricPavlov
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swagmastercaillou
Jun 19, 2021
0
486
1
+58
Multiplication
A cookie factory can bake 62 trays of cookies in the morning and 53 trays of cookies in the afternoon. If each tray holds 12 cookies, how many cookies can be baked in 1 day?
A. 1,250
B. 1,260
C. 1,370
D. 1,380
*If the cookie
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swagmastercaillou
Jun 19, 2021
0
451
1
+58
Fractions
2/5 of Sofia's postcards were equal to 7/9 to Jonas' postcards. After Sofia gave 2/7 of her postcards to Jonas, and Jonas received 6 postcards from his brother, Sofia had 5/11 of the total number of postcards. How many postcards did Jonas have in the end?
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swagmastercaillou
Jun 19, 2021
0
531
1
+197
Math
A shopkeeper bought a 20 pound box of salt fish which cost $160. He sold the salt fish at $10 a pound. His profit as a percentage of the cost price was
swagmastercaillou
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KINGCASH
Jun 19, 2021
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423
2
math
The number of quarters, dimes, and nickels in Peter’s pocket forms a 3:4:6 ratio.Together, Peter has a total $2.90. How many coins does Peter have?
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Guest
Jun 19, 2021
0
275
1
geometry problem
Two shaded identical rectangular decorative tiles are first placed (one each) at the top and at the base of a door frame for a hobbit's house, as shown in Figure 1. The distance from W to H is 48 inches. Then the same two tiles are rearranged at the top
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Guest
Jun 19, 2021
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367
1
The swimming pool can be filled in 40 hours using the medium hose
The swimming pool can be filled in 40 hours using the medium hose. With the large hose, it will take 20 hours instead. If we use both hoses (without any impact on waterflow rate), how long does it take to fill the pool? Round your answer to the nearest
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Guest
Jun 19, 2021
0
328
1
geometry
An octagon is inscribed in a square so that the vertices of the octagon trisect the sides of the square. The perimeter of the square is 108 centimeters What is the perimeter of the octagon?
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Guest
Jun 19, 2021
0
368
1
help geometry
In the diagram, square ABCD has sides of length 4, and triangle ABE is equilateral. Line segments BE and AC intersect at P. Point Q is on BC so that PQ is perpendicular to BC and PQ=x. Compute AP.
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Guest
Jun 19, 2021
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197
0
geometry
Fido's leash is tied to a stake at the center of his yard, which is in the shape of a an equilateral triangle. His leash is exactly long enough to reach the midpoint of each side of his yard. If the fraction of the area of Fido's yard that he is able
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Guest
Jun 19, 2021
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342
1
math
There are two number A and B. A is a 2-digit number which is a multiple of 8. B is a 2-digit number which is a multiple of 30. What is the largest possible difference between the two numbers A and B?
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Guest
Jun 19, 2021
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236
1
help math
Lucas has 4 fewer one-dollar coins than ten-cent coins. The total value of all the coins $18. How many coins does Lucas have in all?
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Guest
Jun 19, 2021
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324
2
please help my brain hurts
In triangle ABC, we have B=60 degrees, C=90 degrees, and side length AB=2
A point P is chosen randomly inside triangle ABC. A line is drawn through BP and hits side length AC at a point D.
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Guest
Jun 19, 2021
0
384
3
number theory
N is a four-digit positive integer. Dividing N by 9 , the remainder is 5. Dividing N by 7, the remainder is 3. Dividing N by 5, the remainder is 4. What is the smallest possible value of N?
<
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Guest
Jun 19, 2021
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206
0
trapezoid
Let WXYZ be a trapezoid with bases XY and WZ. In this trapezoid, ZXW=105 degrees, XWZ=43 degrees, and XYZ=147 degrees. Find YXZ, in degrees.
Guest
Jun 19, 2021
0
401
1
Fraction
Please help me with steps..
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Guest
Jun 19, 2021
+1
507
8
+45
How many factors in total.
For some positive integer , the number has positive integer divisors, including 1 and the number . How many positive integer divisors does the number have?
Melody
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amc81012
Jun 19, 2021
0
405
4
Please help !!
Find all complex numbers z such that z^4 = -4.
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Guest
Jun 19, 2021
0
471
1
Please help!!
I have a bag with red and green marbles in it. At the moment, the ratio of red marbles to green marbles is 3:2. If I add 5 red marbles and 5 green marbles, the ratio will be 4:3. How many red marbles will be in the bag after I add more?
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Guest
Jun 19, 2021
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444
1
help algebra
Two sisters go up 40-step escalators. The older sister rides the up escalator, but can only take 12 steps up during the ride since it is quite crowded. The younger sister runs up the empty down escalator, arriving at the top at the same time as her sister.
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Guest
Jun 19, 2021
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