All Questions

215

+275

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 read more ..

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Jasonkiln Aug 7, 2022

253

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, read more ..

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Guest Aug 7, 2022

156

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 read more ..

Guest Aug 7, 2022

137

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? read more ..

Guest Aug 7, 2022

195

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. read more ..

BuilderBoi ●

Guest Aug 7, 2022

270

For what value of are the lines and parallel? Express your answer as a common fraction.

For what value of are the lines and read more ..

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Guest Aug 7, 2022

-3

233

+275

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

209

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 read more ..

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Guest Aug 6, 2022

214

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 read more ..

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Guest Aug 6, 2022

216

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

203

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, read more ..

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Guest Aug 6, 2022

222

Algebra

Find all values of r such that (r - 3)/sqrt(r) = -2*sqrt(r).

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Guest Aug 6, 2022

253

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?
read more ..

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Guest Aug 6, 2022

217

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

233

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

199

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

188

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

206

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) read more ..

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Guest Aug 6, 2022

180

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 read more ..

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Guest Aug 6, 2022

178

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 read more ..

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Guest Aug 6, 2022

179

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

206

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

178

help

Find the minimum value of for

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Guest Aug 6, 2022

All Questions ⁺⁰230615 Questions

Counting QUestion

Statistics

Normal distribution

Normal distribution

PLEASE HELP!!!

For what value of are the lines and parallel? Express your answer as a common fraction.

Counting

Help pls

Fractions

geometry

Probability

Algebra

PLZ HELPP due tomorrow

Polynomials

polynomials

Algebra

Help please! Thanks :)

Fun Math Puzzle!

Pls help! Thanks!

Help asap!

sequence

quadratic

help

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