All Questions

513

Help!

Let . Find .

I also want to know how to do these type of problems (Let f(x) = blah blah, find f(2), that type of thing)

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Guest May 16, 2020

May 15, 2020

530

Help!!!

Ryan and Susan walk around a track. Ryan walks each lap in minutes. Susan walks each lap in minutes. The two of them begin at the starting line at the same time. They walk until they meet again at the starting line.

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Guest May 15, 2020

1491

+47

Please help me with this math problem:)

1. Consider the polar equation
(a) Complete the tables for the given values of . Round the the nearest tenth as needed.

0 read more ..

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Vanessadeirdre May 15, 2020

985

i really need help im so confused!!!!

Sam attempts a 42-yard field goal in a football game. For his attempt to be a success, the football needs to pass through the uprights and over the crossbar that is 10 feet above the ground.
Sam kicks the ball from the ground with an initial velocity read more ..

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Guest May 15, 2020

-2

667

+24

help.

A carport and workshop are covered by a flat rectangular roof 3.6 m by 11.2 m. All the rain that falls on the
roof is collected in a water tank. If 3 mm of rain falls on the roof, how much water will be collected in the
tank? (1 m3 = 1000 L) read more ..

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HyperYauFarer May 15, 2020

635

+43

Started working, do not know where to continue.

Let f(x) and g(x) be polynomials.
Suppose f(x)=0 for exactly three values of x: namely, x=-3,4, and 8.
Suppose g(x)=0 for exactly five values of x: namely, x=-5,-3,2,4, and 8.
Is it necessarily true that g(x) is divisible by f(x)? read more ..

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shad0w May 15, 2020

663

+18

please someone help~

→ → → →
a =⟨−3,−5⟩ and b=⟨1,4⟩. Represent a + b using the read more ..

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Kjessie2 May 15, 2020

530

please help

Simplify sin(arcsin(1/2) + arccos(2/3)).

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Guest May 15, 2020

779

correction on a previous problem?

https://web2.0calc.com/questions/let-f-be-the-piecewise-function-such-that-at-how_1
I stumbled upon this problem and I was looking at the solution, but I think the answer is actually 3 points because if you plug in 2 to the second equation, it makes read more ..

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Guest May 15, 2020

432

HELP PLEASE!!!!

Let WXYZ be a trapezoid with bases WX and YZ. Let WZ=5 and XY=7. Let point R be on side YZ so that YR/RZ=7/5. Then let points A and B be the feet of the altitudes from R to sides WZ and XY respectively. With this information, show that segments RA and RB read more ..

Guest May 15, 2020

2003

+23

What does the graph of the parametric equations x(t)=4−t and y(t)=(t−1)^2, where t is on the interval [−2,2], look like?

What does the graph of the parametric equations x(t)=4−t and y(t)=(t−1)^2, where t is on the interval [−2,2], look like?

The parametric equations graph as a portion of a parabola. The initial point is _____, read more ..

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studenthelp21 May 15, 2020

489

Help Please

There are girls and boys in a chess club. The club holds a round-robin tournament in which every player plays against every other player exactly once.
In how many games does a girl play against another girl?

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Guest May 15, 2020

580

geometry

In triangle ABC, angle B is right. E is on AC and F is on BC such that EF is parallel to AB. If AB = 8, BC = 6, and AE = x, then find the perimeter of triangle EFC in terms of x.

TheXSquaredFactor ●●

Guest May 15, 2020

433

help!!!!!

Determine the unique pair of real numbers (x,y) satisfying

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Guest May 15, 2020

506

Can anybody help me?

→ read more ..

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almuno May 15, 2020

2517

help!!! somebody!!!!

What is the rectangular form of the parametric equations?
x(t)=t−2,y(t)=2t^2+4, where t is on the interval [−3,1].
Enter your answer, in standard form, by filling in the boxes.
read more ..

hectictar ●

Guest May 15, 2020

500

Needhelp!

Here's how far I got with this problem. Not sure how to go on...

read more ..

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Guest May 15, 2020

929

+28

Divide.

Divide.
6√5 cis(11π/6)÷3√6cis(π/2)

6√5 cis(11π/6)÷3√6cis(π/2)=___cis(___) read more ..

geno3141 ●

Calchelp211 May 15, 2020

355

help

A fly is walking along the edges of a 3-inch cube. If it starts at a corner, what is the longest it could walk without retracing an edge?

Guest May 15, 2020

676

Check for me plz!

Check for me, that I did it right hopefully?? :)

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Guest May 15, 2020

517

HALPppp

If you pick two marbles from the same bag at the same time, do you calculate probability with replacement or without?

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Guest May 15, 2020

492

help

If the arithmetic mean of x and y is equal to the product of sqrt(2) and the geometric mean of x and y, then find y/x.

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Guest May 15, 2020

1132

Convert (x−3)^2+y^2=9 to polar form.

Convert (x−3)^2+y^2=9 to polar form.

r = ____ ____
read more ..

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Guest May 15, 2020

All Questions ⁺⁰237665 Questions

Help!

Help!!!

Please help me with this math problem:)

i really need help im so confused!!!!

help.

Started working, do not know where to continue.

please someone help~

please help

correction on a previous problem?

HELP PLEASE!!!!

What does the graph of the parametric equations x(t)=4−t and y(t)=(t−1)^2, where t is on the interval [−2,2], look like?

Help Please

geometry

help!!!!!

Can anybody help me?

help!!! somebody!!!!

Needhelp!

Divide.

help

Check for me plz!

HALPppp

help

Convert (x−3)^2+y^2=9 to polar form.

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