All Questions

501

You walk (1)/(3) miles to a clothing store. Then you walk another (3)/(8) miles to a grocery store. How many miles have you walked in all?

You walk (1)/(3) miles to a clothing store. Then you walk another (3)/(8) miles to a grocery store. How many miles have you walked in all?

Write your answer as a fraction in simplest form.

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Guest Oct 19, 2021

325

Let f(x) = (3x-4)/(2x+5) Find the value of A so that when it replaces x, the value of f(A) is -1/7.

Let f(x) = (3x-4)/(2x+5)
Find the value of A so that when it replaces x, the value of f(A) is -1/7.

Guest Oct 19, 2021

501

Real numbers x, y are randomly chosen from the interval [0, 1]. what is the probability of 3x + y ≤ 1.

Real numbers x, y are randomly chosen from the interval [0, 1]. what is the probability of
3x + y ≤ 1.

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ggmu1234 Oct 19, 2021

-3

408

+25

calculus help!

please help!!

unaza Oct 19, 2021

-3

390

+25

calculus

please help!

unaza Oct 19, 2021

-3

389

+25

calculus

please help!

unaza Oct 19, 2021

-3

410

+25

calculus

please help!!

unaza Oct 19, 2021

-4

477

+25

calculus help

calculus, need help!!

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unaza Oct 19, 2021

296

help with geometry

In the diagram, point E lies on line segment AB, and triangles AED and BEC are isosceles. Also, DEC is twice angle AEB . What is the measure of BEC in degrees?

read more ..

Guest Oct 19, 2021

-3

427

+25

calculus! please help

calculus problem

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unaza Oct 19, 2021

424

when y=11 evaluate 2(y-3)

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Guest Oct 19, 2021

388

+1982

If Jessie spent a total of 5 hours driving, find the two rates (in mph). Round your answer to two decimal places, if needed.

Jessie recently drove to visit her parents who live 120 miles away. On her way there her average speed was 14 miles per hour faster than on her way home (she ran into some bad weather). If Jessie spent a total of 5 hours driving, find the two rates (in read more ..

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macabresubwoofer Oct 19, 2021

399

Quadratic

The height (in meters) of a shot cannonball follows a trajectory given by h(t) = -4.9t^2 + 14t - 0.4 at time (in seconds). As an improper fraction, for how long is the cannonball above a height of $5$ meters?

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Guest Oct 19, 2021

299

Quadratic

Find the equation whose graph is a parabola with vertex (2,4), vertical axis of symmetry, and contains the point $(1,11)$. Express your answer in the form "$ax^2+bx+c$".

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Guest Oct 19, 2021

327

PLEASE HELP!!!!

Plunk and Ms. Q run a 100-meter race. Plunk runs at 8 meters per second, and Ms. Q runs at 5 meters per second. Because Ms. Q runs slower, she is given a 3-second head start.
Plunk wins the race.
How much time, in seconds, is it between the time Plunk read more ..

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Guest Oct 19, 2021

416

+12

don't know what to do algebra

Let be nonnegative real numbers.
(a) Prove that

(b) Prove that

I have solved part (a), but I need help for (b) I used cauchy for (a) and I think you have to use it for (b)

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helpp Oct 19, 2021

321

quadratic

If $t$ is a real number, what is the maximum possible value of the expression $-t^2 + 8t -4$?

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Guest Oct 19, 2021

414

Number Theory

Let $a\equiv (3^{-1}+5^{-1})^{-1}\pmod{11}$ . What is the remainder when a is divided by 11?

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Guest Oct 19, 2021

414

Number Theory

N is a four-digit positive integer. Dividing N by 9, the remainder is 5. Dividing n by 7, the remainder is 2. Dividing n by 5, the remainder is 1. What is the smallest possible value of N?

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Guest Oct 19, 2021

Oct 18, 2021

288

Algebra

Let y = (x-3)/(2x+17)

Then this equation can be expressed in the form (x + a)(y + b) = c for some constants a, b, and c . Enter your answer in the form " a, b, c".

Guest Oct 18, 2021

438

+1982

Solve for v, the velocity of the object, in terms of the given quantities.

The total mechanical energy of an object with mass m at height h in a closed system can be written as . Solve for v, the velocity of the object, read more ..

macabresubwoofer Oct 18, 2021

420

+1982

T = 2π√l/g. This is the formula for the period T of a pendulum of length l. Solve this formula for l.

. This is the formula for the period T of a pendulum of length l. Solve this formula for l.

l =

macabresubwoofer Oct 18, 2021

264

Algebra problem

Find the number of triples (a, b, c) of positive integers, such that 1 <= a, b, c <= 100 and
$a^2 + b^2 + c^2 = ab + ac + bc$.

Guest Oct 18, 2021

513

Hi! Pls help ASAP thx

Simon keeps some black and white marbles in Box A. He also keeps some green and
blue marbles in Box B. There were 1 3/5 times as many black as white marbles. The ratio
of the number of white marbles to the total number of green and read more ..

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Guest Oct 18, 2021

All Questions ⁺⁰237671 Questions

You walk (1)/(3) miles to a clothing store. Then you walk another (3)/(8) miles to a grocery store. How many miles have you walked in all?

Let f(x) = (3x-4)/(2x+5) Find the value of A so that when it replaces x, the value of f(A) is -1/7.

Real numbers x, y are randomly chosen from the interval [0, 1]. what is the probability of 3x + y ≤ 1.

calculus help!

calculus

calculus

calculus

calculus help

help with geometry

calculus! please help

when y=11 evaluate 2(y-3)

If Jessie spent a total of 5 hours driving, find the two rates (in mph). Round your answer to two decimal places, if needed.

Quadratic

Quadratic

PLEASE HELP!!!!

don't know what to do algebra

quadratic

Number Theory

Number Theory

Algebra

Solve for v, the velocity of the object, in terms of the given quantities.

T = 2π√l/g. This is the formula for the period T of a pendulum of length l. Solve this formula for l.

Algebra problem

Hi! Pls help ASAP thx

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