All Questions

504

+343

Why does it sometimes say 'This post is invisible to other users?'

Why does it sometimes say "This post is invisible to other users?"

off-topic

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nchang Mar 30, 2020

-1

766

someone help plz!!

What non-zero integer must be placed in the square so that the simplified product of these two binomials is a binomial: $(6x+4)(15x-\Box )$?

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Guest Mar 30, 2020

476

Please help, factoring question.

A packaging company creates different-sized cardboard boxes. The volume of a box is given by V = 117x^3 – 52x – 351x^2 + 156.

a) Determine expressions for the possible dimensions of these boxes.
b) Determine the dimensions read more ..

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Guest Mar 30, 2020

-2

526

+54

Summation Question

Hello!
I have been trying to play around with this summation for a while, but was stuck at a certain place.

Problem: read more ..

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neworleans06 Mar 30, 2020

511

help

Write an equation in point-slope form for the line that has a slope of 9/8 and contains the point (9,−5).

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Guest Mar 30, 2020

-2

490

+980

I need help

https://web2.0calc.com/questions/i-posted-this-question-before-but-the-screenshot

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qwertyzz Mar 30, 2020

-2

1568

Pls help!

The radius of a circle measures 11 inches. A central angle of the circle measuring 5π/9 radians cuts off a sector. What is the area of the sector?

AnExtremelyLongName ●●

Guest Mar 30, 2020

-2

1645

+208

math

Find the equation of a line with a given slope and containing the given point. Write the equation in slope-intercept form.
m = − 3/4, point (8, −4)

read more ..

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monkeyree1124 Mar 30, 2020

734

+208

math

Find the equation of a line with a given slope and y-intercept. Write the equation in slope-intercept form
slope 6 and y-intercept (0, 7)

read more ..

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monkeyree1124 Mar 30, 2020

631

+1348

help

A high school is offering 3 classes: math, physics, and chemistry. The classes are open to any of the 100 students in the school. There are 28 students in the math class, 26 in the physics class, and 16 in the chemistry class. There are 12 students who read more ..

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sandwich Mar 30, 2020

607

easy counting problem

John draws a regular five pointed star in the sand, and at each of the 5 outward-pointing points and 5 inward-pointing points he places one of ten different sea shells. How many ways can he place the shells, if reflections and rotations of an arrangement read more ..

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Guest Mar 30, 2020

595

algebra 1

The equation x2 – 1x – 90 = 0 has solutions {a, b}. What is a + b?

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Guest Mar 30, 2020

-2

465

This problem has me stuck for the past hour.

Let , and . There exists a point and a constant such that for any point ,

Find the constant . read more ..

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Guest Mar 30, 2020

1024

solve

In the first three innings of a baseball game, the home team scored some the rest of the game, they scored 5 runs more than the number of runs scored in the first three innings. If the home team scored 9 runs in all, how many runs did they score during read more ..

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Guest Mar 30, 2020

491

solve

8x+3y=52 10x-3y=38

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Guest Mar 30, 2020

-3

598

+87

Geometry Help

1. Let be a positive integer. In triangle and . How many possible values of are there?

2. Triangle has altitudes and If and is read more ..

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Divineology Mar 30, 2020

566

+49

HELP QUICK PLEASE!!!!

In right triangle PQR, we have angle Q=angle R and PR= 6sqrt2. What is the area of triangle PQR?

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amphat100 Mar 30, 2020

494

please help

A boat is trying to cross a river that is 2 miles wide, by going straight across. The speed of the boat is 25 mph, but the current is pushing the boat downstream at 17 mph. How long will it take the boat to cross the river and how far downstream from the read more ..

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Guest Mar 30, 2020

-2

578

+98

Trig One Q pls help

A marching band performs on the football field at half-time. As they perform, the members of the band stand in the shape of a sinusoidal function. While playing, they move, but still maintain the sinusoidal function, transforming it in different ways. read more ..

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ocmaz Mar 30, 2020

1871

The arc length of an arc subtended by an angle measuring 11π/18 radians is 78.6 inches.

The arc length of an arc subtended by an angle measuring 11π/18 radians is 78.6 inches.
What is the radius of the arc?
approximately 36.5 inches approximately 40.9 inches approximately 48.0 inches approximately 128.6 inches read more ..

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Guest Mar 30, 2020

-1

333

help

Write the equation of the parabola passing through the points (-1,19), (2,1) and (5,9). what is the value of “a”?

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Guest Mar 30, 2020

All Questions ⁺⁰234777 Questions

Why does it sometimes say 'This post is invisible to other users?'

someone help plz!!

Please help, factoring question.

Summation Question

help

I need help

Pls help!

math

math

help

easy counting problem

algebra 1

This problem has me stuck for the past hour.

solve

solve

Geometry Help

HELP QUICK PLEASE!!!!

please help

Trig One Q pls help

The arc length of an arc subtended by an angle measuring 11π/18 radians is 78.6 inches.

help

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