1,081 Answered Questions for the topic Equations

Equations Chemistry Moles Grams

05/05/17

Limiting Reagents (Chemistry) Answer a-d + Show Work Please
Equation: C3H8 + 5O2 = 3CO2 + 4H2O (already balanced)   a) If you start with 14.8 g of C3H8 and 3.44 g of O2, determine the limiting reagant   b) Determine the number of moles of carbon dioxide... more
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Equations

05/04/17

possible values for x and y when => x squared + 2xy - x =200
possible values for x and y   x2+ 2xy - x =200
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Equations Eqaution

05/04/17

Manjit\ is\ now\ 12\ years\ old\ and\ mala\ is\ 2\ years\ old.In\ how\ many\ years\ will\ manjit\ be\ 3\ times\ as\ old\ as\ mala
Manjit\ is\ now\ 12\ years\ old\ and\ mala\ is\ 2\ years\ old.In\ how\ many\ years\ will\ manjit\ be\ 3\ times\ as\ old\ as\ mala
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Equations Word Problems

05/01/17

The ramirez family and the gonzales family each used their sprinklers last summer.
the ramirez family and the gonzales family each used their sprinklers last summer. The Ramirez family sprinkler was used for 35 hours.the gonzales Family sprinkler was used for 15 hours. There was... more
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Equations

04/27/17

3n-8+2(5n+3)=8n+5+4n
what is the answer of this question ?
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04/23/17

A triangle has angle measurements related as follows:
-The largest angle is 12 times the smallest angle -The middle angle is 5 times the smallest angle Find the measures of the angles. Provide a step-by-step discussion regarding how you would solve... more
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04/23/17

The total of three cousins' ages is 48. Suresh is half as old as Hakima and 4 years older than Saad. How old are the cousins?
 Please help!!!  
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Equations

04/22/17

Which of the points (0, -7) (2,3) (1,8) (3,1) is a solution for y=-2x+7?
Solution of the equation.
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Equations Math

04/22/17

Solve the equation for y:
6x-2y=12  ____________________
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04/22/17

if J=the number of Julius's pencils and L=the number of Lucy's pencils, then 2J=L
There are twice as many pencils in Julius's pencil box than in Lucy's. Julius attempts to write this relationship as an equation which he believes is correct. He writes: if J=the number of Julius's... more
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Equations

04/19/17

Two students are reading a novel. Ashley reads 10 pages per day. Carly reads 8 pages per day, but she starts early and is already on page 40.
Write a system of equations to represent the situation, using d of days and p for pages
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04/09/17

Equation for the tangent line
Suppose f(1) = 4, and the tangent line to f at x=1 goes through the point (0,2).  Find an equation for the tangent line to f at x=1. 
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Equations

04/04/17

solve equation?
what is the same solution as: x2 - 8x + 2 = 0
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Equations 2 Equations

04/04/17

Help??? Im so confused
A boat traveled 160 miles downstream and back. The trip downstream took 8 hours. The trip back took 16 hours. What is the speed of the boat in still water? What is the speed in the current?
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Equations

04/03/17

Inequalities
a cell phone plan charges 40 dolars a month plus .10 dolars per text msg. If Lauren wants to keep her monthly bill under 50 dolars how many text msgs x can be sent
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Equations

04/03/17

Inequality
science club needs to raise more than 560 dolars for a trip the club account currently balance 60 dolars. Using variable m how much money each of the 7 club members need to raise. 
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Equations

04/03/17

Inequality
a party planner is reserving rooms for a corporate event and has at most 1000 dolars to spend. Sunrise room costs 180 dolars per hour. With a service charge of 100 dolars. At most, how many hours... more
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Equations Inequalities

04/03/17

Solving inequalities
Last month 7th graders washed cars for 8 dolars each with an additional 5 dolars fee for supplies to raise money for school. They made at least 250 dolars. How many cars did the students need to... more
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Equations

03/31/17

Equation perimeter 76 feet length 3.5f longer than twice the width
Building fence perimeter equals 76 feet length 3.5 feet longer than twice the width solve equation dimensions 
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Equations Chemistry

03/28/17

solubility rules
use solubility rules to predict whether or not a precipitation reaction will occur when the following aqueous solutions are mixed. write the molecular and the net ionic equation for each reaction... more
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Equations

03/27/17

The sum of two numbers is 100.Twice the first number plus twice the second number is 200. What are the numbers?
Can you please answer the question
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Equations Graphs Maths Math Help

03/24/17

Hyperbolas
Find the vertical and horizontal asymptotes of the hyperbola y= (x-2)/(x-4) and hence sketch the graph.
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Equations

03/23/17

I need this to understand it
six less than the quotient of p and 8 is 18 solve:
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Equations Math Polynomials

03/22/17

Solve the equation without using a calculator
(x-2)(x+2)(x^2+4)=25x^2-16
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03/19/17

Find the magnitude and direction angle
Find the magnitude and direction angle of p = 42i + 35j
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