All Questions ⁺⁰237689 Questions

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217

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Find limit by making substitution? help thank you

Find limit by making substitution:

lim (π-x) / sinx , t= π-x
x--->π read more ..

Guest Jun 11, 2022

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216

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precalc

In triangle BCD, angle C = 90 degrees, CD = 3, and BD = sqrt(14) . What is tan B?

Guest Jun 11, 2022

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208

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Coordinates

The vertices of a triangle are the points of intersection of the line y = -x-5, the line x=2, and y = -1/5x+13/5. Find an equation of the circle passing through all three vertices.

Guest Jun 11, 2022

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337

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What is the largest $n$ such that $a = 2^{306} \cdot 3^{340}$ is a perfect $n$th power?

What is the largest $n$ such that $a = 2^{306} \cdot 3^{340}$ is a perfect $n$th power?

Guest Jun 11, 2022

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337

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x2-90x+8

Guest Jun 11, 2022

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332

2

+239

Radius of Gyration - 2

Answer d^2+ (b^3)/4

Regards and thanks for all your help! read more ..

OldTimer Jun 11, 2022

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268

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+6

Graphs & Equations

show each pair is a solution to the equation. Then graph the two pairs to determine another solution
6x-3y=3;(1.1)(-1-3

symon Jun 11, 2022

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309

1

counting problem

There are 97 students in South High School. South High School offers only Chinese and Spanish. There are 5 more students in Chinese than in Spanish, and every student takes at least one language. If 48 students take only Spanish, then how many take both read more ..

Guest Jun 11, 2022

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338

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+113

Math

There are some stickers in albums A and B. 50% of the stickers in album A and 20% of the stickers in album B are round stickers. There is an equal number of square stickers in both albums. If there are 51 more round stickers in album A than in album B, read more ..

tacoBRO1023 Jun 11, 2022

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343

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+113

Math

Ken has 30% more stamps than Vincent. Tim has 80% the number of stamps Ken has.
(a) What is the ratio of the number of Vincent's stamps to the number of Tim's stamps?
(b) If the total number of stamps of Ken's and Tim's is 150 read more ..

tacoBRO1023 Jun 11, 2022

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268

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figures

What is the area of this figure?

Guest Jun 11, 2022

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305

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Math

Container A and B are identical containers with the same base. Container A is filled to the brim with water while Container B is empty. After 240 cm3 of water is poured into container B from container A, the depth of water in container B is 1/4 the read more ..

Guest Jun 11, 2022

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318

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Math

Andy and Bruce had some money. Andy had 50% more money than Bruce. After Andy gave Bruce $77, Bruce had 25% more money than Andy.
(a) How much money did they have in total?
(b) How much money must Bruce then give to Andy so that Andy read more ..

Guest Jun 11, 2022

Jun 10, 2022

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324

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Counting

In how many ways can I choose 4 different officers (President, Vice President, Treasurer, and Secretary) from a club of 8 people?

Guest Jun 10, 2022

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317

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Number Theory

How many zeros are at the end of (100!)(200!)(300!)(400!) when multiplied out?

Guest Jun 10, 2022

+1

332

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+24

Algebra 2

Simplify the expression.

(x^2/5)^10

Pythonkil06 Jun 10, 2022

+1

327

3

Counting

How many three digit odd numbers can be formed from the digits 1, 2, 3, 4 and 5, if no digits are to be repeated?

Guest Jun 10, 2022

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310

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Asymptotes

If f(x) = (x + 4)/(x^2 + ax + b) and f(x) has two vertical asymptotes at x=1 and x=2, then find the sum of a and b.

Guest Jun 10, 2022

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326

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Graphing

The area of the triangle formed by x- and y-intercepts of the parabol y=0.5(x-3.5)(x+k) is equal to 1.5 square units. Find all possible values of k.

Guest Jun 10, 2022

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307

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Parabola

Find the equation of the axis of symmetry of the graph of y = (x - 4)^2 - 10.

Guest Jun 10, 2022

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328

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triangles

In isosceles right triangle ABC, shown here, AC = BC. Point X is on side BC such that CX = 6 and XB = 12, and Y is on side AB such that XY is perpendicular to AB. What is the ratio of BY to YA?

read more ..

Guest Jun 10, 2022

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310

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+58

Math

Jorge has 20 classical songs on his mp3 player. That's 2/3 of his entire collection. How many songs does Jorge have altogether?

swagmastercaillou Jun 10, 2022

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299

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Math

Ryan has traveled 5/6 of the distance from Fraction Falls to Vertex Valley. He has 9 more miles to go. How many miles has Ryan traveled so far?

Guest Jun 10, 2022

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