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339

need help with algebra

If ((a - b)(b - c)(c - a))/((a + b)(b + c)(c + a)) = 2010/2011, then what is a/(a + b) + b/(b + c) + c/(c + a)?

Guest Aug 27, 2020

484

Please Help

A median of a triangle is a line segment joining a vertex of a triangle to the midpoint of the opposite side. The three medians of a triangle are drawn below. [asy] pair A,B,C,X,Y,Z; A = (0,0); B = (1,0); C = (0.3,0.8); X = (B+C)/2; Y = (A+C)/2; Z = (A+B)/2;read more ..

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Guest Aug 27, 2020

504

i'm really stuck

Sebastian paints his room that has 150 square feet of wall space in 2.5 hours. How long, at this rate, will it take him to paint 60 square feet of wall space?

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Guest Aug 27, 2020

816

please helpppp!

Cassius drives his boat upstream for 45 minutes. It takes him 30 minutes to return downstream. His speed going upstream is 3 miles per hour slower than his speed going downstream. Find his upstream and downstream speed

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Guest Aug 27, 2020

455

plz heelp

Find YX.

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Guest Aug 27, 2020

517

hlp plss due tmrw

A chess tournament is being held with 100 participants. Here are the home cities of the 100 participants: $\bullet$ 62 live in New York City (New York) $\bullet$ 17 live in Los Angeles (California) $\bullet$ 11 live in Dallas (Texas) $\bullet$ 6 live in read more ..

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Guest Aug 27, 2020

546

can anyone help?

Find the area of triangle RST.

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Guest Aug 27, 2020

1791

need help ASAP

7700 dollars is placed in an account with an annual interest rate of 5.75%. How much will be in the account after 24 years, to the nearest cent?

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Guest Aug 27, 2020

507

anyone here pro with python programming? plz help!

the question:
Give numBottles(input) full water bottles, you can exchange numExchange(input) empty bottles for one full water bottle.
The operation of drinking a full water bottle turns it into an empty bottle.
Return the maximum read more ..

beastmodedude88 Aug 27, 2020

502

geometry question

Find angle AOB. I keep getting wrong answer.

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Guest Aug 27, 2020

375

please help

Find three consecutive odd numbers such that the sum of five times the smaller number and twicethe larger number is 33 more than six times the median number.

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Guest Aug 27, 2020

645

Can someone give me a start to finish explenation on this?

(a) Compute the sum 101^2 - 97^2 + 93^2 - 89^2 + .... + 5^2 - 1^2
(b) Compute the sum (a +(2n+1)d)^2- (a + (2n)d)^2 +(a + (2n-1)d)^2 - (a+(2n-2)d)^2 + ... + (a+d)^2 - a^2

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Guest Aug 27, 2020

528

+212

help pls

Two numbers are independently selected from the set of positive integers less than or equal to 5. What is the probability that the sum of the two numbers is less than their product? Express your answer as a common fraction.

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Filliqq Aug 27, 2020

Aug 26, 2020

2125

question on line

Write the equation of the line fully simplified slope-intercept form. Please help!

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Guest Aug 26, 2020

676

HELPP

In the figure below, $D$ is a point on segment $\overline{CE}$ such that $\overline{AD}\parallel\overline{BE}$ and $A$ is not on $\overline{BC}.$

Line segments $\overline{AD}$ and $\overline{BC}$ intersect at $P.$ [asy] size(4cm); pair read more ..

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Guest Aug 26, 2020

491

+109

help

http://Let\[f(x) = \left\{ \begin{array}{cl} x^2-4 & \text{ if }x < 7, \\ x-13 & \text{ if } x \geq 7. \end{array} \right.\]What is $f(f(f(17)))$?

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dp1806 Aug 26, 2020

420

please help

Two canoes travel down a river, starting at 10:00. One canoe travels twice as fast as the other. After 3.5 hr, the canoes are 5.25 mi apart. Find the average rate of each canoe.

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Guest Aug 26, 2020

544

+1495

i need help

find the selling price if the break-even point is 100; the fixed cost is 5,000 and the variable cost per unit is $25

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ManuelBautista2019 Aug 26, 2020

448

inequality problem

Solve the inequality (-2x - 12)/2 > 7(3 - 4x).

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Guest Aug 26, 2020

429

interest rates

If $10,000 is placed in an investment paying 4.8% yearly interest compounded annually, how long will it take for the account to double?

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Guest Aug 26, 2020

1073

word problem

Eric has a jar of quarters and dimes. He had 48 coins in the jar. The total value of the coins is $7.35. How many quarters are.in the jar?

Please help, I'm bad at word problems.

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Guest Aug 26, 2020

601

help please

A truck can be rented from company A for $110 a day plus $0.40 per mile. Company B charges $80 a day plus $0.70 per mile to rent the same truck. Find the number of miles in a day at which the rental costs for company A and B are the same.

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Guest Aug 26, 2020

745

Consider the matrices.

Consider the matrices.

s=
[ 3 4 ] read more ..

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Guest Aug 26, 2020

536

+42

Help!!

Problem:

English has letters that can be vowels. This includes Y, which can be either a consonant or a vowel; for this problem, we'll consider Y a vowel.
The other English letters are always consonants.
How read more ..

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SHADOWwolf Aug 26, 2020

All Questions ⁺⁰234777 Questions

need help with algebra

Please Help

i'm really stuck

please helpppp!

plz heelp

hlp plss due tmrw

can anyone help?

need help ASAP

anyone here pro with python programming? plz help!

geometry question

please help

Can someone give me a start to finish explenation on this?

help pls

question on line

HELPP

help

please help

i need help

inequality problem

interest rates

word problem

help please

Consider the matrices.

Help!!

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