All Questions ⁺⁰237665 Questions

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336

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Ratios

Rima and Eric have earned a total of 135 tokens to buy items at the school store. The ratio of the number of tokens that Rima has to the number of tokens that Eric has is 8 to 7. How many tokens does Rima have?

Guest May 27, 2021

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275

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Mahrrh

A train left an interchange, taking some passengers in it. At the train stop, ¼ of the passengers got off and 5 people got on. At the 2nd stop, ½ of the people got off and 20 people got on the train. When the train left the 2nd stop, there were read more ..

Guest May 27, 2021

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425

1

Precalc

In right triangle DEF, we have angle D =25 , angle E = 90, and EF = 8. Find to the nearest tenth. You may use a calculator for this problem.

Guest May 27, 2021

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381

1

Help with probability

You take the four Aces, four 2's, and four 3's from a standard deck of 52 cards, forming a set of 12 cards. You then draw three cards at random. What is the probability that you get an Ace, a 2, and a 3?

Guest May 27, 2021

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382

1

Help asap

What is the coefficient of x^3 in the expansion of (x + 2*sqrt(5))^7?

Guest May 27, 2021

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407

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Need answer

Points A (-1, 2) and B (3, 12)are the endpoints of a diameter of a circle graphed in a coordinate plane. How many square units are in the area of the circle? Express your answer in terms of .

Guest May 27, 2021

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415

1

+79

Help quick!

FInd the smallest positive integer n≥100 such that {}>1/2
Note:For a real number x, {x}= x- denotes the fractional part of x

imbadatmath May 27, 2021

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383

1

Algebra

Find the number of real solution to x = 1 - x + x^2 - x^3 + x^4.

Guest May 27, 2021

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449

1

Polynomials

Find a monic quartic polynomial with rational coefficients whose roots include x = 1 - sqrt(2) and x = 2 + sqrt(7).

Guest May 27, 2021

-1

403

1

+79

Simplify problem!

5log102+(3/2)log1025+(1/2)log1049-log1028

imbadatmath May 27, 2021

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464

1

+79

The sequence (a n ) satisfies a 1 =3 and

The sequence (an) satisfies a1=3 and
an= (an-1-1)/(an-1+1) for all n≥2
Find a100

imbadatmath May 27, 2021

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418

2

Math problem

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 mutliple of 3. In how many ways could Andrew and Mary have chosen their numbers? read more ..

Guest May 27, 2021

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311

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help with explaination!

1. In the coordinate plane, a line passes through the point (12, 3). Its x-intercept is A=(a, 0) where a>0 and its y-intercept is B=(0,b) whre b>0. Find the smallest possible area of triangle OAB, where O is the orgin
2. All the roots read more ..

Guest May 27, 2021

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413

4

Coordinates

Find the equation whose graph is shown below. Write your answer in standard form. (Standard form is Ax + By = C, where A is positive, and A, B, and C are integers with greatest common divisor 1.)

read more ..

Guest May 27, 2021

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374

1

Algebra

The smallest distance between the origin and a point on the graph of y = 1/3*x^2 - 9 can be expressed as a. Find a^2.

Guest May 27, 2021

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441

2

Help Test in 2 hours!!!!! PLease!!!!

The day in 1988 on which the year was 214.3 days old is:

Guest May 27, 2021

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458

1

+79

Help NOWWWWW

1. In the coordinate plane, a line passes through the point (12, 3). Its x-intercept is A=(a, 0) where a>0 and its y-intercept is B=(0,b) whre b>0. Find the smallest possible area of triangle OAB, where O is the orgin
2. All the roots read more ..

imbadatmath May 27, 2021

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444

1

Rhombus

Rhombus ABCD has perimeter 148, and one of its diagonals has length 28. what is the area of ABCD?

Guest May 27, 2021

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997

1

HELPSSSSS

The nth term of a sequence is 60-8n.
Find the largest number in this sequence
hint: answer is 52
but why?????

ElectricPavlov ●

Guest May 27, 2021

+1

495

4

+491

help plz

im not sure how to do this

Elijah May 27, 2021

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278

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help with math

A unit fractionis a fraction of the form 1/n for some nonzero integer n. Compute the number of ways we can write 1/16 as the sum of two distinct positive unit fractions. (The order of the fractions in the sum does not matter, so 1/2+1/3 would be considered read more ..

Guest May 27, 2021

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