All Questions ⁺⁰237785 Questions

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Coordinates

Find the area of the region determined by the inequalities y >= |x| and y <= -|x + 7| + 4.

Guest Jul 23, 2022

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help coordinates

The circle centered at (2, -1) and with radius 4 intersects the circle centered at (2, 5) and with radius sqrt(10) at two points A and B. Find (AB)^2.

Guest Jul 23, 2022

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plz help!

How many positive integers n less than 100 have a corresponding integer m divisible by 2 such that the roots of x^2 - nx + m = 0 are consecutive positive integers?

Guest Jul 23, 2022

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283

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Graphing functions

The graph of the function f(x) is shown below. How many values of x satisfy f(f(x)) = 3?

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Guest Jul 23, 2022

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294

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Geometric probability

A point with coordinates (x,y) is randomly selected such that 0 <= x <= 10 and 0 <= y <= 10. What is the probability that the coordinates of the point will satisfy 2x + 3y >= 20? Express your answer as a common fraction. read more ..

Guest Jul 23, 2022

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Help probability

There is a row of Pascal's triangle that has three consecutive entries,a,b and c such that b=2c and a=3c If this row begins 1,n then find n.

Melody ●●●●●●

Guest Jul 23, 2022

Jul 22, 2022

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285

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algebra

I have a picture with dimensions x and y (in inches), such that x and y are both integers greater than one. I would like to place this picture in an elongated frame of dimensions (2x + 3) and (y+2). If I measured the area of the frame to be 82 square inches, read more ..

Guest Jul 22, 2022

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289

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help fractions

For how many integer values of n between 1 and 1000 inclusive does the decimal representation of n/1375 + n/9 terminate?

Guest Jul 22, 2022

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298

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Divisors

How many of the divisors of 8 are larger than 7?

Guest Jul 22, 2022

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Please help

If the six digits 1, 2, 3, 4, 5, and 6 are randomly arranged into a six-digit positive integer, what is the probability that the integer is divisible by 4? Express your answer as a common fraction.

BuilderBoi ●●●

Guest Jul 22, 2022

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Please help

If the six digits and are randomly arranged into a six-digit positive integer, what is the probability that the integer is divisible by ? Express your answer as a common fraction.

Guest Jul 22, 2022

+5

301

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+179

helllllp

At a certain amusement park, there is a bulk discount for tickets. If you buy up to 60 tickets in one order, the price for each ticket is $70. However if you buy more than 60 tickets in a single order, the price of every ticket is reduced by read more ..

waterlili Jul 22, 2022

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273

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Parabola

The graph of a certain quadratic is a parabola with vertex (-4, 0) which passes through the point (1, -15). What is the value of a?

Guest Jul 22, 2022

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286

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Probability

In a math class of 30 students, 12 out of 15 girls are freshmen and 11 out of 15 boys are freshmen. What is the probability that in a randomly selected group of five students from the class, there will be read more ..

Guest Jul 22, 2022

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260

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Algebra

Let a and b be the solutions of the equation 2x^2+6x-14=x^2-8x+2. What is the value of (2a-3)(4b-6)?

Guest Jul 22, 2022

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375

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triangle

The trisectors of angles B and $C$ of scalene triangle ABC meet at points P and Q, as shown. Angle A measures 35 degrees and angle QBP measures 12 degrees. What is the measure of angle BPC?
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Guest Jul 22, 2022

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289

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Algebra

Find all pairs (a,b) of real numbers such that
a + b = 10
a^4 + b^4 = 2800

Guest Jul 22, 2022

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288

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Rectangles

ABCD is a rectangular sheet of paper that has been folded so that corner B is matched with point B' on edge AD. The crease is EF, where E is on AB and F is on CD. The dimensions AE=8, BE=12, and CF=2 are given. Find the read more ..

BuilderBoi ●●●

Guest Jul 22, 2022

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287

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polygons

A hexagon is inscribed in a circle. What is the measure of angle alpha, in degrees?

Guest Jul 22, 2022

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help geometry!

The trapezoid shown has a height of length 12 cm a base of length 16 cm, and an area of 144 cm.What is the perimeter of the trapezoid?

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Guest Jul 22, 2022

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Functions

If P(x) = 4+2\sqrt{x+2} and G(x) = 4-8x, then what is the largest constant a such that P(G(a)) is defined?

Guest Jul 22, 2022

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urgent

In the SuperLottery, three balls are drawn (at random, without replacement) from ten white balls numbered from to , and one SuperBall is drawn (at random) from ten red balls numbered from to . When you buy a ticket, read more ..

Guest Jul 22, 2022

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285

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Coordinates

A point (x,y) is a distance of 6 units from the x-axis. It is a distance of sqrt(58) units from the point (8,3). It is a distance sqrt(n) from the origin,. Given that x < 8, what is n?

Guest Jul 22, 2022

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Need help pls. Thank you.

Johnny, Zane and Lothar shared some snails in the ratio 5 : 1: 2.
(a) What fraction of the total number of snails was Johnny's share?
(b) In a race, Lothar lost half of his snails to Zane. After the game, Zane had 3 more snails than Lothar. How read more ..

Guest Jul 22, 2022

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Circles

In the diagram shown, PC is tangent to the circle and PD is the angle bisector of angle CPE. If arc CD is 60 degrees, arc DE is 20 degrees, and angle DQE = 50 degrees, then determine arc AE, in degrees.
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Guest Jul 22, 2022

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