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216179 Questions
0
61
1
Help needed!! Thanks in advance for help
There are some apples and oranges in a kitchen. If 3 apples are removed, there will be 1/4 as many apples as oranges. If 3 oranges are removed, there will be equal number of apples and oranges. How many fruits are there altogether?
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Guest
Aug 8, 2022
Aug 7, 2022
0
55
3
+206
Counting QUestion
10 teams containing 2 players each compete in a doubles tennis tournament. After the tournament, a gold medal is awarded to the first-place team, a silver medal is awarded to the second-place team, and a bronze medal is awarded to the third-place
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Jasonkiln
Aug 7, 2022
0
74
5
Statistics
Last years freahman class at big state university totaled 5,305 students. Of those l, 1,258 received a merit scholarship to help offset tuition cost their freshman year (although the amount varied per student). The amount a student received was N($3,456,
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Guest
Aug 7, 2022
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39
0
Normal distribution
High school students across the nation compete in a financial capability challenge each year by taking a national financial capability challenge exam. Students who score in the top 11 percent are recognized publicly for their achievements by the department
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Guest
Aug 7, 2022
0
35
0
Normal distribution
Joans finishing time for the Bolder Boulder 10k race was 1.73 standard deviations faster than the woman's average for her age group. There were 415 women who ran in her age group. Assuming a normal distribution, how many woman ran faster than Joan?
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Guest
Aug 7, 2022
0
45
1
PLEASE HELP!!!
In $\triangle ABC,$ $AB=AC=25$ and $BC=23.$ Points $D,E,$ and $F$ are on sides $\overline{AB},$ $\overline{BC},$ and $\overline{AC},$ respectively, such that $\overline{DE}$ and $\overline{EF}$ are parallel to $\overline{AC}$ and $\overline{AB},$ respectively.
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BuilderBoi
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Guest
Aug 7, 2022
0
77
3
For what value of are the lines and parallel? Express your answer as a common fraction.
For what value of
are the lines
and
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Guest
Aug 7, 2022
-3
77
3
+206
Counting
teams containing players each compete in a doubles tennis tournament. After the tournament, a gold medal is awarded to the first-place team, a silver medal is awarded to the second-place team, and a bronze medal is awarded to the third-place
read more ..
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Jasonkiln
Aug 7, 2022
Aug 6, 2022
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53
1
Help pls
How much time is there between 8:30 a.m. today and 3:15 a.m. tomorrow?
A 17 3/4 hours
B 18 1/3 hours
C 18 1/2 hours
D 18 3/4 hours
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Guest
Aug 6, 2022
0
46
2
Fractions
A 12-meter yarn is cut so that one part is 1/3 of the other. How long in meters, is the longer segment?
a. 9
b. 6
c. 8
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Guest
Aug 6, 2022
0
54
4
geometry
A parallelogram ABCD has perimeter equal to 124 . Let E be the foot of the perpendicular from A to BC, and let F be the foot of the perpendicular from A to CD. If AE= 7 and AF=20, what is the area of the parallelogram?
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Guest
Aug 6, 2022
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43
1
Probability
There are 3 math clubs in the school district, with 5, 7, and 8 students respectively. Each club has two co-presidents. If I randomly select a club, and then randomly select four members of that club to give a copy of Introduction to Counting and Probability,
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Guest
Aug 6, 2022
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50
1
Algebra
Find all values of r such that (r - 3)/sqrt(r) = -2*sqrt(r).
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Guest
Aug 6, 2022
0
65
4
PLZ HELPP due tomorrow
1) How many positive three-digit integers with a 5 in the units place are divisible by 15 ?
2) If a and b are integers such that , then what is the remainder when (a+10)(b+10) is divided by 20?
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Guest
Aug 6, 2022
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59
2
Polynomials
Find the remainder when g(x) = 5x^9 - 4x^2 +2 is divided by 5x+10.
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Guest
Aug 6, 2022
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58
3
polynomials
Find the remainder of f(x) divided by x^2 - 1 when f(x) = x^10 - 8x^8+7x^4+ 8x^3-12x^2 -15x - 5.
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Guest
Aug 6, 2022
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50
2
Algebra
Linda, Miah, and Noah are all wearing hats with numbers on them. Each person adds the two numbers on the other two hats, and they come up with the totals 11, 19 and 22. What is the largest number that is on a hat?
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Guest
Aug 6, 2022
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44
1
Help please! Thanks :)
Suppose the point is on the graph of . Then there is one point which must be on the graph of . What is the sum of that point's coordinates?
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Guest
Aug 6, 2022
0
48
1
Fun Math Puzzle!
So the number starts as $1$. Every post, you can: 1. Reverse the digits of the number(523 becomes 325). 2. Multiply the number by 2 or 3 or 4 or 5. 3. Add 1,2,3,4, or 5 to the number. 4. Square or cube the number. 5. Square root or cube root (round up)
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Guest
Aug 6, 2022
0
52
3
Pls help! Thanks!
The ratio of Tony's marbles to Putin's marbles was 5:3 respectively. Some of Tony's marbles were blue and the rest red. Some of Putin's marbles were purple and the rest were yellow. The ratio of the number of blue marbles to the number of purple marbles
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Guest
Aug 6, 2022
0
46
1
Help asap!
Find all pairs of real numbers $(x,y)$ such that $x + y = 6$ and $x^2 + y^2 = 28$. If you find more than one pair, then list your pairs in order by increasing $x$ value, separated by commas. For example, to enter the solutions $(2,4)$ and $(-3,9)$, you
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Guest
Aug 6, 2022
0
44
1
sequence
The sequence 1,1,2,3,5,8,13,21 has the property that each term (starting with the third term) is the sum of the previous two terms. How many of the first 1000 terms are divisible by 5?
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Guest
Aug 6, 2022
0
44
1
quadratic
Find the constants a and b such that x = -1 and x = 7 are both solutions to the equation ax^2 + bx + 2 = 0.
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Guest
Aug 6, 2022
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