All Questions ⁺⁰237687 Questions

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271

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Coordinates

Let F, G, and H, be collinear points on the Cartesian plane such that FG/GH=1 If F=(a, b) and H=(2a, c), then what is the x-coordinate of G?

Guest Jan 3, 2022

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324

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Counting

How many 5-digit numbers have at least one 2 or one 3 or one 4 among their digits?

Guest Jan 3, 2022

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321

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a tizenkilenc harmincad vegyes törtben mennyi? ggyoooorrrsssannn hhaa leehheet!!!!!

a tizenkilenc harmincad vegyes törtben mennyi? ggyoooorrrsssannn hhaa leehheet!!!!!

Guest Jan 3, 2022

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391

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Coordinates

In terms of pi, what is the area of the circle defined by the equation 2x^2+2y^2+10x-6y-180=0?

Guest Jan 3, 2022

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411

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Parabolas

The parabolas defined by the equations y = -x^2 - x + 1 and y = 2x^2 - 3x intersect at points (a,b) and (c,d), where c >= a. What is c - a? Express your answer as a common fraction.

Guest Jan 3, 2022

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406

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Probability

You cannot remember your 5-digit bike-lock combination, but you remember that all the digits are different. What is the probability that you guess the combination correctly? (Enter your probability as a fraction.)

Guest Jan 3, 2022

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319

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Coordinates

A line has a slope of -3/7 and its y-intercept is (0,13). What is its x-intercept?

Guest Jan 3, 2022

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422

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Coordinates

Find y if the point (-6,y) is on the line that passes through (-1,7) and (3,-12) .

Guest Jan 3, 2022

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371

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Algebra

If , 18*sqrt(8) + 8 * sqrt(18) = sqrt(n), what is n?

Guest Jan 3, 2022

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410

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Geometry

Find the area of triangle ABC if AB = BC = 12 and angle ABC = 150 degrees.

Guest Jan 3, 2022

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430

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Counting problem

In how many ways can the digits of 48,008 be arranged to form a 5-digit number? (Remember, numbers cannot begin with 0.)

Guest Jan 3, 2022

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441

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Function

If f(x) = 8x^3 - 6x^2 + 12x, what is the value of f(-3/4).

Guest Jan 3, 2022

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430

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Algebra

The sum of three times the smaller number and bigger number is 51. The bigger number is two more than five times the smaller. Find the numbers.

Guest Jan 3, 2022

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406

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Quadratic

The graph of a certain quadratic y = ax^2 + bx + c is a parabola with vertex (-4,0) which passes through the point (7,1). What is the value of a?

Guest Jan 3, 2022

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435

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Quadratic

The height (in meters) of a shot cannonball follows a trajectory given by h(t) = -4.9t^2 + 14t - 0.4 at time t (in seconds). As an improper fraction, for how long is the cannonball above a height of 8.7 meters?

Guest Jan 3, 2022

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371

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Fraction

It toke Eric one-fourth of an hour to finish the puzzle. How many minuted did it take him?

Guest Jan 3, 2022

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401

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Half donuts

Mrs. Pound did not want the kids to eat too fast, so she broke each donut into halves. She ate one of the half-donuts, and then she shared the rest with the 9 boys and 7 girls that were present in class. Peter is a boy in Mrs. Pound's class and loves donuts. read more ..

Guest Jan 3, 2022

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284

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Polynomial

Let be a polynomial of degree greater than 2. If f(1) = 2 and f(2) = 8, find the remainder when f(x) is divided by (x - 1)(x - 2).

Guest Jan 3, 2022

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309

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coordinates

The circle centered at (2,-1) and with radius 4 intersects the circle centered at (2,5) and with radius sqrt(17) at two points A and B. Find (AB)^2.

Guest Jan 3, 2022

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359

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Palindromes

A number is a palindrome if it reads the same way forwards and backwards. For example, 27872 and 48484 are palindromes, but 28389 and 12541 are not. What is the sum of all of the 5-digit even palindromes?

Guest Jan 3, 2022

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418

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Probability

Three marbles are randomly selected, without replacement, from a bag containing two red, three blue and four green marbles. What is the probability that one marble of each color is selected? Express your answer as a common fraction.

Guest Jan 3, 2022

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389

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+614

help pls

a 30m long fence panel is used to fence a rectangular vegetable plot, ABCD, with one side being a wall (there is no resetriction on the length of the wall used.) let the length of side AB be xm. express the area of the plot y

xxJenny1213xx Jan 3, 2022

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308

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Counting problem

A committee of 4 is to be chosen from a group of students. If the number of students in the group increases by 1, the number of different committees triples. How many students are in the group?

Guest Jan 3, 2022

Jan 2, 2022

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393

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Algebra question

Given that y is inversely proportional to x^2 and x is always positive. If y=27 when x = 6, calculate the value of x when y=8.

Guest Jan 2, 2022

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352

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Easy question but I cant seem to solve || PLS HELP ASAP

How many standard -sided dice do I have to roll to guarantee that some nonempty subset of the rolls add up to a multiple of ?

Guest Jan 2, 2022

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