All Questions ⁺⁰237665 Questions

0

450

1

Geometry

An isosceles trapezoid is inscribed in a semicircle as shown below, such that the three shaded regions are congruent. The radius of the semicircle is one meter. How many meters are in the perimeter of the trapezoid? Express your answer as a decimal to the read more ..

Guest May 28, 2021

0

427

1

help number theory

How many positive integers N from 1 to 5000 satisfy the congruence N = 11 (mod 131)?

Guest May 28, 2021

0

405

1

Geometry

In the diagram below, angle E = 50 degrees, and arc AB, arc BC, and arc CD all have equal length. Find the measure of angle ACD , in degrees.

read more ..

Guest May 28, 2021

0

395

1

Help geometry

Two distinct points A and B are on a circle with center at O, and point P is outside the circle such that PA and PB are tangent to the circle. Find AB if PA = 15 and the radius of the circle is 9.

Guest May 28, 2021

+1

619

1

+89

I would appreciate any help please!

The numbers 1 through 14 (inclusive) are written on the chalkboard. Ms. Q. took the product of 13 of the 14 numbers. How many different products could she get?

tmatthews May 28, 2021

0

444

3

Help math

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 28, 2021

0

680

1

+62

Help Cphill pls

Alice and Bob play a game with a baseball. On each turn, if Alice has the ball, there is a 1/2 chance that she will toss it to Bob and a 1/2 chance that she will keep the ball. If Bob has the ball, there is a 2/5 chance that he will toss it to Alice, and read more ..

Derekshakk May 28, 2021

0

399

1

Coordinates

Let line L_1 be the graph of 5x + 8y = -9. Line L_2 is perpendicular to line L_1 and passes through the point (10,-10). If line L_2 is the graph of the equation y=mx +b, then find m+b.

Guest May 28, 2021

+1

540

6

+62

HELP PLS CPHILL ASAP :c

In the local frisbee league, teams have 7 members and each of the 4 teams takes turns hosting tournaments. At each tournament, each team selects two members of that team to be on the tournament committee, except the host team, which selects three members. read more ..

●●●●●●

Derekshakk May 28, 2021

0

433

1

Coordinates

.A line has the equation y=-2x/3 and passes through the point (2, -8) write the equation for the line in standard form.

ElectricPavlov ●

Guest May 28, 2021

0

429

2

Coordinates

Find a if the point (3,a) is on the line that passes through (-2,7) and (5,-8).

Guest May 28, 2021

0

462

1

please help

liam invested 41,200 IN AN ACCOUNT PAYING AN INTEREST RATE OF 8.75% compounded monthly. camila invested $1,200 in an account paying an interest of 9.21% compounded continuously. after 16 years, how much money would camilla have in his account more than read more ..

Guest May 28, 2021

0

460

1

plz help. thanks !

The "fast'' office copier makes 45 copies per minute. The slower copier copies at a rate of 30 copies per minute. If Ylsa starts copying a 500-page report on the slower copier but switches after 5 minutes to the faster copier, to the nearest minute, how read more ..

Guest May 28, 2021

0

354

1

Number Theory

The product of all digits of positive integer M is 105. How many such Ms are there with four digits?

Guest May 28, 2021

0

379

1

help pls thx

Find all the values of x such that (4x - 5)/(3x + 5) >= 3

Guest May 28, 2021

0

260

0

Probability

Mike draws six cards from a standard 52-card deck. What is the probability that he draws a card from at least three of the four suits? Express your answer as a simplified fraction.

Guest May 28, 2021

0

411

1

Interesting Problem

Hello! My friend gave me this interesting problem and I can't figure it out. If anyone has any ideas it would be appreciated.

Problem: Liz writes down a sequence of letters, where each letter is A, B, or C, and the read more ..

Guest May 28, 2021

+1

646

6

+89

Probability

Lizzie rolls two dice. What is the probability that one of the dice shows a 6 or the total sum of both dice is a prime number (or both)?

●●●●●●

tmatthews May 28, 2021

0

325

0

probability

Two numbers, x and y are selected at random from the interval (0, 3). What is the probability that a triangle with sides of length 2, x, and y exists?

Guest May 28, 2021

0

467

2

help pls :)

Find the greatest possible value for a + b + c + d if b is a positive integer and a, b, c, and d satisfy the system of equations

a + b = c
b + c = d read more ..

Guest May 28, 2021

0

493

3

part 2 of 2

Our club has 10 members, and we need to appoint a president, a vice-president, and a secretary. How many ways can we do this if members can hold any number of offices?

Guest May 28, 2021

0

403

1

part 1 of 2

Our club has 10 members, and we need to appoint a president, a vice-president, and a secretary. How many ways can we do this if each member can hold at most one office?

Guest May 28, 2021

0

431

2

help

j=84-2k
if k=4 what is 4?

Guest May 28, 2021

0

481

3

simplifying radicals

Guest May 28, 2021

1 Online Users