All Questions ⁺⁰236348 Questions

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287

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+37

Prime factors

What are the numbers strictly having "prime" factors between 20 & 50 only? It should be between 1 & 1000

GP72022a Apr 20, 2022

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293

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+9

asap

The school library budget to buy new books is $5000. The librarian has this list to show the types of books students borrowed in one year,
french:11% history:21% reference:15% science:15% read more ..

dsuuifdty Apr 20, 2022

+2

319

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+344

Help please

Prove that f (x) = 2x^3 + 5 and g (x) = sqrt3((x-5)/2) are inverses of one another

hipie Apr 20, 2022

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299

4

help probability

Two different numbers are selected simultaneously and at random from the set {1,2,3,4,5,6,7,8,9}. What is the probability that the positive difference between the two numbers is 3 or greater? Express your answer as a common fraction.

BuilderBoi ●●●●

Guest Apr 20, 2022

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275

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hi please help

Guest Apr 20, 2022

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282

2

Coordinates

Two black lines pass through the origin, as shown below. If their slopes are and , then find the slope of the red line that bisects the acute angle between these lines.

read more ..

Guest Apr 20, 2022

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290

2

Algebra problem

Let x and y be real numbers such that x^2 + y^2 = 2x + 4y + 3x + 9y. Find the largest possible value of x.

Guest Apr 20, 2022

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268

1

hi please help

what is log(ln(log(∫ln(dx(log(f(x+(log(al($3$)))))

Guest Apr 20, 2022

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354

5

+19

i need help :( Radical and Rational Expressions

1. A basketball player made 3 out of 8 free throws she attempted which is 37.5%. She wants to know how many consecutive free throws more in a row she would have to make to raise her overall successful baskets divided by attempts or percent of successful read more ..

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NezuK12 Apr 20, 2022

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269

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Counting

Andrew chooses a number from 1 to 100, and Mary also chooses a number from 1 to 100. (They may choose the same number.) It turns out that the product of their numbers is a multiple of 5. In how many ways could Andrew and Mary have chosen their numbers? read more ..

Guest Apr 20, 2022

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285

1

Binomial Theorem

When we expand (2x+1/2+x^2)^6, what is the coefficient on the x^4 term?

Guest Apr 20, 2022

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225

1

Coordinates

Given that the point (9,7) is on the graph of y=f(x), there is one point that must be on the graph of 2y = f(x) + 2. What is the sum of coordinates of that point?

Guest Apr 20, 2022

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265

2

Help pls!!!

The numerator and denominator of a fraction are positive integers. If both of them are increased by 1, the value of the new fraction would be 0.1 greater than the value of the original fraction. Compute the number of different original fractions satisfying read more ..

Guest Apr 20, 2022

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263

1

Geometry

A rectangular prism has a total surface area of 56. Also, the sum of all the edges of the prism is . Find the length of the diagonal joining one corner of the prism to the opposite corner.

Guest Apr 20, 2022

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257

1

Parabola

Find the vertex of the graph of the equation .

Guest Apr 20, 2022

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308

3

+1678

Inequality

Find all x that satisfy the inequality (2x+10)(x+3)<(3x+9)(x+18). Express your answer in interval notation.

BuilderBoi ●●●

wiseowl Apr 20, 2022

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314

1

+1678

Geometry question

In right triangle ABC, we have AB=10, BC=22, and angle ABC=90. If M is on AC such that BM is a median of ABC, then what is cos angle ABM? Express your answer in exact form.

wiseowl Apr 20, 2022

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220

1

Multiples

How many positive multiples of 7 that are less than 2000 end with the digit 8?

Guest Apr 20, 2022

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278

1

Probability

A circular spinner for a game has a radius of 10 cm. The probability of winning on one spin of this spinner is 2/5. What is the area, in sq cm, of the WIN sector? Express your answer in terms of pi.

Guest Apr 20, 2022

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279

1

Algebra problem

The roots of x^2 + 8x + 4 are the same as the roots of Ax^2 + x + B . What is A + B?

Guest Apr 20, 2022

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262

5

Please help!

A plane flies from Penthaven to Jackson and then back to Penthaven. When there is no wind, the round trip takes hours and minutes, but when there is a wind blowing from Penthaven to Jackson at miles per hour, the trip takes hours read more ..

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Guest Apr 20, 2022

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