All Questions

927

help

Students played dodgeball and volleyball for 45 min.They played dodgeball for 11 more minuets than volleyball.How long did they play Dodgeball

●●

Guest Jan 26, 2020

942

+614

homework questions, please help! appreciated.

Using only the paths and directions shown, how many different routes are there from M to N?

An read more ..

●●●●

xxJenny1213xx Jan 26, 2020

964

+614

PLEASE HELP!! triangle teasers

In a magic triangle, each of the six whole numbers 10-15 is placed in one of the circles so that the sum, S, of the three numbers on each side of the triangle is the same. What read more ..

●●●●●●

xxJenny1213xx Jan 26, 2020

1211

help plz

One day, Alexis decides to write down all the numbers from 1 to 999, inclusive.
a) How many digits did Alexis write, in total?
b) Alexis chooses one of the digits written down at random. What is the probability that the chosen digit is a 7? read more ..

●●●

Guest Jan 26, 2020

839

help

Adult tickets to a basketball game cost $5. Student tickets cost $1. A total of $2,783 was collected on the sale of 1,235 tickets. How many of each type of ticket were sold?

●

Guest Jan 26, 2020

788

Need help

The measures of two angles of an isosceles triangle are $3x + 4^{\circ}$ and $x + 16^{\circ}$. Find all possible values of $x$.

●

Guest Jan 26, 2020

2251

Consider the infinite series defined by

Consider the infinite series defined by
∞ ∑ (2n! /2^(2n))
n=1
(a) What is the value of r from the ratio test? read more ..

●

Guest Jan 26, 2020

1820

+218

Geometry Questions

1) In acute triangle ABC, we know AB = 7, BC = 8, and that CA is the shortest side. What is the smallest possible integer value of CA?

2) Two diagonals of a parallelogram have lengths 6 and 8. What is the largest possible read more ..

●●●●●●●●●●●●●●●●

Rudram592 Jan 26, 2020

1192

+262

hElP

There are 30 men and 40 women in the Town Library Club. They wish to form a 7-person steering committee with 3 men and 4 women. In how many ways can they form the committee?

●

atlas9 Jan 26, 2020

794

+775

Base Stuff

How many two digit positive integers in the base-four representation are twice the two digit positive integers in the base-three representation?

A) 5
B) 6 read more ..

●

PartialMathematician Jan 26, 2020

530

NEEDHLP

If a Canada goose completes a -mile migration in exactly days and hours, then what was her average speed for the whole trip in miles per hour?

●

Guest Jan 26, 2020

782

+262

help :(

If 23=x^4+1/(x^4), then what is the value of x^2+1/(x^2)?

where do i even start? :'(

●●

atlas9 Jan 26, 2020

495

Help Please

A researcher observes and records the height of a weight moving up and down on the end of a spring. At the beginning of the observation the weight was at its highest point. From its resting position, it takes 12 seconds for the weight to reach read more ..

off-topic

●

Guest Jan 26, 2020

517

Help Please

A sine function has the following key features:
Period = π
Amplitude = 2
Midline: y=−2 read more ..

●

Guest Jan 26, 2020

539

Help

Period = 4
Amplitude = 3
Midline: y=−1
y-intercept: (0, -1) read more ..

off-topic

●

Guest Jan 26, 2020

564

Help Please!

I have 5 different history textbooks and 4 different science textbooks. In how many ways can I place the 9 textbooks on a bookshelf, in a row, if there must be a science textbook in the middle, and there must be a history textbook at each end? read more ..

●

Guest Jan 26, 2020

Jan 25, 2020

579

What is the answer

What 10000000000000000 x 9999999999999999999999999999

●●●

Guest Jan 25, 2020

633

In the diagram below, we have PQ = 2AP = 2QB and AR/RC = 2/3. Find the ratio of the area of triangle BCQ to the area of triangle CQR.

In the diagram below, we have PQ = 2AP = 2QB and AR/RC = 2/3. Find the ratio of the area of triangle BCQ to the area of triangle CQR.
read more ..

●

Guest Jan 25, 2020

1016

Draw an example of a parallelogram in which both the base and height are the sides.

●●●

Guest Jan 25, 2020

469

point estimate

Determine the point estimate of the population proportion, the margin of error for the following confidence interval, and the number of individuals in the sample with the specified characteristic, x, for the sample size provided.Lower boundequals0.293, read more ..

Guest Jan 25, 2020

838

+262

help!

Given two real numbers 1 $\frac{1}{p} + \frac{1}{q} = 1$ and , what is q?

I can't figure out how to do this.. i keep ending up only knowing what is, which is -9/2. was i supposed to go that way? read more ..

●●●

atlas9 Jan 25, 2020

759

Please Help, ASAP!

The diagram below shows four circles. Let $A_1,$ $A_2,$ $A_3,$ $A_4$ denote the areas of the red region, yellow region, green region, blue region, respectively. These areas satisfy \[A_1 = \frac{A_2}{2} = \frac{A_3}{3} = \frac{A_4}{4}.\]Let $r_1$ denote read more ..

●

Guest Jan 25, 2020

655

Multivariable polynomial factoring

Factor as the product of four polynomials of degree 1, each of which has a positive coefficient of .

So far, I've factored it out to be but how am I supposed to factor it so that way is always positive? Does anyone read more ..

●

Guest Jan 25, 2020

3293

help, confusion

Ten points are chosen on a circle. A line segment is drawn between every pair of chosen points.
Every time two line segments intersect inside the circle, that intersection point is marked red. What is the largest number of points that can be marked red? read more ..

●

Guest Jan 25, 2020

734

Please help

Write a^4-3a^2+9 as a product of two monic quadratics with integer coefficients.

I don't understand how to do this
Thank you read more ..

●

Guest Jan 25, 2020

All Questions ⁺⁰234782 Questions

help

homework questions, please help! appreciated.

PLEASE HELP!! triangle teasers

help plz

help

Need help

Consider the infinite series defined by

Geometry Questions

hElP

Base Stuff

NEEDHLP

help :(

Help Please

Help Please

Help

Help Please!

What is the answer

In the diagram below, we have PQ = 2AP = 2QB and AR/RC = 2/3. Find the ratio of the area of triangle BCQ to the area of triangle CQR.

Draw an example of a parallelogram in which both the base and height are the sides.

point estimate

help!

Please Help, ASAP!

Multivariable polynomial factoring

help, confusion

Please help

3 Online Users

Top Users

Sticky Topics