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April 19, 2014

Search: MAth (make equation true)

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MAth (make equation true)
PLease help 5 + 4 x 3 - 1 = 18 use grouping symbols to make each equation true.
Wednesday, September 14, 2011 at 7:04pm by Will

Algebra 8
In (a), all values of x make the statement true, because both sides of the equation are actually the same: if you expand the right-hand side, you'll see that all it's saying is that 3x+3=3x+3, so any value of x you care to choose will make that statement true. In (b), no value...
Monday, September 22, 2008 at 8:56pm by David Q

Math
Now (1,8) is a coordinate pair. 1=x value and 8=y value. So, plug these in to your equation: y=5x + 3 Is this true? 8= 5(1) + 3 8= 5 + 3 8= 8 Yes! It is true! The order pair does make the equation true! Hope this helps!
Thursday, February 16, 2012 at 11:17pm by yoyoma

Math
This is rather about the concept: 1) Identity means both sides are equal no matter what the value x will take. example: 2+x=x+2 2) inconsistent: means the equation is not true regardless the x value. example: 2+x=3+x 3) conditional: The equation is true at certain x value. ...
Friday, March 21, 2008 at 8:22pm by Qun

math
1.Explain why there is no number that can replace N to make the equation |n| = -1 true. 2. List the integers that can replace N to make the statement -|8| < n < -|-5| true. I don't really get what am I supposed to do?
Friday, November 6, 2009 at 6:54pm by lily

Chemistry check
Can someone make sure I have the right answer. The question is: Classify the statement as always true, sometimes true, or never true. A net ionic equation shows all ions present. I say never true because it only shos soluble strong electrolytes reacting and not spectator ions...
Tuesday, March 17, 2009 at 5:04pm by Mike

MAth (make equation true)
(5 + 4) x (3 - 1) = 18
Wednesday, September 14, 2011 at 7:04pm by Ms. Sue

MAth (make equation true)
5+5*6/2=24
Wednesday, September 14, 2011 at 7:04pm by Zach

Algebra
Thank you drwls. I was not reading my own question clearly. I am trying to make the equation true for an object that is 100 pounds at sea level. Find the vlaue of C that makes the equation true. wouldn't C, being the contant, be where I put my 100 pounds?
Friday, February 1, 2008 at 1:12pm by Marysvoice

math
6 6 6 6 = 5 fill in the expressions to make this equation true
Sunday, February 28, 2010 at 2:45pm by katie

Math
insert parentheses to make equation true. 5 / 3 + 3 x 5 = 4 1/6
Wednesday, May 9, 2012 at 7:48pm by jack

Math - True or False
True or False: 1. f(x) = -x^3 + x + 1 is an odd function 2. f(x) = x^3 -ax^2 + bx represents a cubic equation having no constant term ...(I'm thinking true?) 3. If f(x) = x/x+2 then f^-1 (x) = 2x/1-x ...(my guess is false?) 4. The equation x^3 - 12x + 16 = 0 has a double root ...
Sunday, September 12, 2010 at 9:44pm by Jamie

math
10/3+2*4=8 Insert grouping to make the equation true
Tuesday, September 20, 2011 at 11:10pm by gina

Math
Does the order pair make the equation y equals 5 x+3 true 1'8
Thursday, February 16, 2012 at 11:17pm by Natalie quezada

math
Explain why there is no number that can replace n to make the equation /n/ = -3 true.
Sunday, October 7, 2012 at 11:44pm by Paula

math
different was to make this equation true. 24 x 18=
Monday, March 25, 2013 at 4:26pm by cody

math
If you solve an equation and your variables drop out like in the one above, two cases are possible 1. the resulting statement is true , in which case your equation was an "identity" , and it is true for all values of the variable or 2. the resulting statement is false, in ...
Friday, November 23, 2012 at 9:58pm by Reiny

Math
Each letter in the equation below represents a different digit from the set {1,3,4,7,8}. Find the value of each letter to make the equation true. ADD +MAD _____ SUM
Monday, March 10, 2008 at 7:30pm by Butch

8th grade math
What value will make the equation 6(x+5)=3(x-14) true?
Monday, October 4, 2010 at 4:25pm by evelyn

Discrete Math
True or False? Homogeneous linear recurrence equations are linear combinations of power functions. I think the answer is false because although a homogeneous linear recurrence equation is a linear combination, it is composed of constant coefficients. However to solve this ...
Friday, May 31, 2013 at 8:08pm by Sarah

math
give five ordered pairs that make each equation true y=20+x/3
Wednesday, December 9, 2009 at 3:03pm by Kay Kay

math
give five ordered pairs that make each equation true: y=20+x/3
Thursday, December 10, 2009 at 6:51pm by Kay Kay

math
give five oredered pairs that make the equation true y=20+x/3
Friday, January 8, 2010 at 9:56pm by jess

math
REmove one toothpick to make a true equation I-III=II
Saturday, December 11, 2010 at 6:33pm by jbcbjbi

Math
Find two integers that make the equation true. Y squared = 100
Thursday, April 28, 2011 at 7:25pm by 7th grader

math
Add two operational signs to make the equation true. 2 4 6 1 3=88
Monday, January 28, 2013 at 4:14pm by Anonymous

Math
Insert parentheses to make the equation true. 14=50-42/3+4*6
Tuesday, October 8, 2013 at 10:43am by Philip

Chemistry
This is an exercise in using the coefficients. a. 4 mol P4S3 is just half of what's in the equation; therefore, it should take 1/2 of the reactants and that mens 4 mols P4 and 1/2 mols S8. Thus a is true. The other are done the same way. If one of the other statements is false...
Wednesday, November 14, 2012 at 11:05pm by DrBob222

Equation
I do not understand this question?? Give five ordered pairs that make each equation true. y = 20 + x/3
Friday, June 18, 2010 at 7:38pm by Felicia J

aig math
Fill in the missing sign to make the equation true. 125 _ 5 _ 12 _ 2 = 1
Wednesday, January 16, 2013 at 6:21pm by May

math
Does it have to be 3 different numbers or the same one? The number 8 fits into all 3 equations. If not then you can do the math. Take the first equation which is 5 + x < 15 subtract 5 from both sides. Then the equation is x < 10 so you could take any number that is less ...
Monday, November 15, 2010 at 7:46pm by Y0gi

math
math : write an equation that uses 18-?and 10+2.explain how to decide which numbers would make it true.
Monday, January 30, 2012 at 10:05pm by Alex

math
a) 3(x+1)+x+2=2(2x+1)+3 I distributed the equation and got 5=5 as my final answer. b) DONT UNDERSTAND is the resulting equation from part (a) always true,sometimes ture, or never true? Explain your reasoning.
Friday, November 23, 2012 at 9:58pm by math help

math
how do you arrange these numbers to make this equation true 7,26,46,15 to =160 Please help.....
Monday, December 6, 2010 at 9:17pm by deb

math
a closed equation is a statement of fact that may be true or false eg 2 + 2 = 4 closed true 3 + 2 = 5 closed false an open equation is one where it may or may not be true depending on the value of a variable eg x + 2 = 4
Thursday, August 29, 2013 at 7:18pm by Damon

Sicnece
A skeleton equation is not a balanced equation.- Is this sometime true, never true or always true? Can't there be some skeleton equation that is already balanced, thus it sometime true? Thanks
Tuesday, January 8, 2013 at 11:57pm by Shadow

algebra
write down any true inequality e.g. 8 > 2 now divide it by -2 -4 > -1 , this is false, how do we make it true? back to 8 > 2, true! multiply by -5 -40 > -10 , FALSE ! How do you make it true ?
Wednesday, February 9, 2011 at 8:01am by Reiny

math
how to solve this equation by inserting the brackets to make it a true statement -20+4x2+7-35 = -19
Monday, October 29, 2012 at 10:13pm by Jay

math
Write an equation that uses 18 - ? and 10 + 2. Explain how to decide which numbers would make it true.
Wednesday, January 22, 2014 at 7:12pm by LEE

equations
decide whether each equation is true or false.For each true equation,write the number property shown by the equation.0+6=6
Tuesday, September 4, 2012 at 7:57pm by isaac

math
I could add one toothpick to make it true. I-III=-II However, I don't know how to make it true by removing one.
Saturday, December 11, 2010 at 6:33pm by PsyDAG

8th grade math
how do you make an equation that is parallel to another equation? how do you make an equation that is perpendicular to another equation? please help and explain. Thank you.
Sunday, March 4, 2012 at 9:18pm by saranghae12

Math
Put parentheses and brackets in the proper places to make the following equation true: 9x3+8-5+6squared=58
Wednesday, November 17, 2010 at 9:27pm by Abbie

Math
You have to make them multiplies of each other. For example: x+ y = 4 2x + 2y = 8 If you try to solve these equations, both sides reduce to 0. 0 = 0 True statement!! This means that any x and y that work in one equation will work in the other equation.
Sunday, March 10, 2013 at 6:16pm by Dr. Jane

Math problem still stuck
you want 1/(7+a) + 15/(a-8) = 1/(a+22) + 15/(a+7), your second equation, to be true, so you true the four values of a given in the equation and if both sides are equal, you've found it.
Sunday, October 12, 2008 at 4:02pm by Ryan

5th grade math
How do you do letter equations? "Each letter in the equation below represents a different digit from the set (1, 3, 4, 7, 8). find the value of each letter to make the equation true. Each letter must represent only one number throughout the entire problem." A D D + M A D...
Thursday, January 14, 2010 at 5:45pm by Samantha

8th grade math
I understand that part but I'm just not sure when the question asks me what VALUE will make the equation TRUE will it be x=-72? because I don't think that's what there asking me.
Monday, October 4, 2010 at 4:25pm by Lisa

Discrete Math
A nice puzzle. The truth table for ~R is R ~R T F F T Since ~R=true, therefore R=false. Given R is false, and R v(P v T)=R ∨ P ∨ T is true, we conclude that P∨T is true, i.e. P=true ∨ T=true .... (1) Then we need the table for the conditional (->) A B A->B T ...
Wednesday, August 1, 2012 at 2:28am by MathMate

Math~!
1) Is -7+9=-9+7 true, false, or open? (1point) True False*** Open 2) Is 4x-3=19 true, false, or open? (1point) True False Open*** 3) Which of the following is a solution to the equation 16=4x-4 (1point) -5 -4*** 5 16 4) An art student wants to make a model of the classroom. ...
Friday, September 20, 2013 at 8:46pm by Gabby

Math!! Please help!!!
The way you typed it, the equation reduces to y = 6x, which is definitely a straight line, trust me. Here are 4 ordered pairs which satisfy my equation of y = 6x and your equation of (1/3)y (1/2)x = 4 (1,6), (2,12), (3,18) and (15.25, 91.5) If you plot them, they will form a...
Tuesday, December 6, 2011 at 11:43pm by Reiny

algebra
-2x-4y = 1 6x + 12y = -3 I just rearranged the second equation. Multiply the top equation by 3 and then add the two equations together. You will get 0 = 0 which means there are an infinite number of solutions. This happens any time you get a true equation. What you will find ...
Monday, March 4, 2013 at 3:31pm by Dr. Jane

To:Ms.Sue
Is it even possible to include the word "not" in a conditional to make it true? I'm thinking of some false statement and putting "not" in but it still doesn't make it true.
Sunday, October 3, 2010 at 10:05pm by Shadow

math
how do you arrange these following numbers to make this equation true 18,9,24,20 and to =18 please help....
Monday, December 6, 2010 at 9:15pm by deb

ALGEBRA
and by doing this it will make the equation true?? I'm still lost.
Thursday, September 10, 2009 at 9:00pm by ggift

Math
suppose we start with an example 10 > 4 .....true multiply by 2 20 > 8 ... still true multiply by -2 -20 > - 8 .... false how do we make it true??? -20 < -8 ... now true! Conclusion???
Tuesday, April 1, 2008 at 11:32am by Reiny

calculus
determine whether the statement is true or false. If it is true, explain why it is true. If it is false, give an example to show why it is false a) the function f(x)=3/2 +cx^-2 is a solution of the differential equation xy'+2y=3 b) the differential equation dy/dx= (f(x)g(y...
Tuesday, April 10, 2012 at 11:44am by jhony

Math
Using the numbers 2, 5, 10 , 50 solve the following equation to make the number sentence true... ? - ? Divided by ? + ? equals 50
Thursday, September 30, 2010 at 10:08pm by Lilly

Math
Using the numbers 2, 5, 10 , 50 solve the following equation to make the number sentence true... ? - ? Divided by ? + ? equals 50
Thursday, September 30, 2010 at 10:10pm by Lilly

algebra
how many ways can you make this equation true 24 x 18 = 432 x
Sunday, October 17, 2010 at 10:34am by Anonymous

Discrete Mathematics
What is the value of a that would make the matrix equation true? (1 -2) (-5 6) = (a b) (3 4) (7 -8) = (c d)
Tuesday, July 30, 2013 at 1:23pm by Joy

5th grade math
I am desperately trying to help my 5th grader figure out how many ways can we make this equation true 24 x 18 = 432 x
Tuesday, March 29, 2011 at 7:44pm by mom

algebra 1 help
5) give one solution to the inequality 12x-3x+11<4x-(17-9x). 6) explain why the equation 6|x|+22=4 has no solution. isn't it because the x can't be there by itself. or because x and y-value both make the equation true
Thursday, April 25, 2013 at 9:48pm by hips

math
use the numbers 1,2,3,4,5,6,7,8 and 9 one time make a true math equation :xxx + xxx = xxx. ex 237+654=891. Over 300 solutions with 32 different sums.
Monday, April 4, 2011 at 7:04pm by steve

ALGEBRA
what are five ordered pairs that make this equation true Y = 20 + X/3 (that's x OVER 3)
Friday, September 11, 2009 at 7:00am by ggift

Discrete Mathematics
16. What is the value of a that would make the matrix equation true?: ( 1 -2) (-5 6) (a b) ( 3 4) (7 -8) = (c d)
Tuesday, July 30, 2013 at 6:56am by Joy

Chemistry: Answer check please!
1. Reactions follow the law of conservation of mass. a.) True b.) False Answer: True 2. Reactants are the materials used in a chemical reaction. a.) True b.) False Answer: True 3. In a chemical equation, the mass on the left of the arrow equals the mass on the right. a.) True ...
Saturday, April 2, 2011 at 7:32pm by Cheryl

Math (Algebra/Pre-Algebra)
an identity is an equation which is true for all values of the variable As a quick test, if you solve it, and you get a true statement, then it is an identity. e.g. look at the first answer 3x - 9 = 3x -9 = 0, which is NOT true, so Not an identity but 4p + 7 = 7 + 4p solving ...
Thursday, June 4, 2009 at 8:53pm by Reiny

Algebra
So which is the correct method? Switching the original, or just using variables as i did to make the equation true 4x-y = 7 4(2) - 1 = 7 (2,1) 4(3) - 5 = 7 (3,5) 4(4) - 9 = 7 (4,9) Which method is correct? Or does it not matter because the equation has infinate solutions? Thanks!
Tuesday, February 17, 2009 at 10:49pm by Jeff

math
An ordered pair consists of an x-coordinate and a y-coordinate, like (x,y). Sooo, you can just start picking random values for x and plugging it in to the equation to get a y value. For example, if you were to plug in 3 for x, you would get: y = 20 + x/3 y = 20 + 3/3 y = 20 + ...
Thursday, December 10, 2009 at 6:51pm by Emily

Roman Numerals
VI + I = IV Move only one I or V to make this equation true Juliet
Friday, August 27, 2010 at 8:05pm by Juliet

Math (pre calculus)
State whether the given equation is true for all values of the variables (disregard any value that makes a denominator zero) equation one (2/ 4 + x) = (1/2) + (2/x) equation two (1 + x + x^2 / x) = (1/x) + 1 + x
Thursday, February 6, 2014 at 1:41am by Danielle

Math
Determine whether each equation is true for all x for which both sides of the equation are defined. If it is true, support your conclusion with a sketch using the unit circle. If it is false, give a counterexample. inverse sin(-x)=-inverse sin(x) inverse cos(-x)=-inverse cos(x...
Monday, May 25, 2009 at 12:08pm by Anonymous

Math
a.)If ABCD is a parallelogram, then ABCD is (always true, sometimes true, OR never true) a rectangle. b.)The diagonals of a square (always true, sometimes true, OR never true) bisect each other. c.)If WXYZ is a rectangle, then the diagonals are (always true, sometimes true, OR...
Friday, April 29, 2011 at 11:12am by Kim

Math
because the sign of the second degree term of the polynomial (x^2) is positive, its graph is a parabola with a minimum. So A is true. if you fill in -1 and 4 in the equation, you get 0, ergo the graph crosses the x-axis at -1 and 4. So F is true. For x = 0, y= -4, so the graph...
Saturday, June 5, 2010 at 2:28pm by Christiaan

Math
I can't make this work. Please help? Insert parentheses when necessary to make the number sentence true. 5-3x4/6+4=-9 Thank you!
Sunday, March 7, 2010 at 11:40am by Lisa

5th grade Math
Insert parentheses to make this sentence true. 3*8+6 squared -8/2=26. My teacher told me I think that the parentheses go around the 3 and last 8. Is that true. How did you do that?
Thursday, October 2, 2008 at 6:39pm by Serena

Chemistry (Check)
Classify each of these statements as always true, sometimes true, or never true. __ST___13.In an equation, a substance is shown to be in the gaseous state by placing an upward-pointing arrow after its formula. ___ST___14. Atoms are destroyed in a chemical reaction. ___AT____15...
Tuesday, March 13, 2007 at 7:03pm by Dennis

more math
The first equation is not true because there is no such thing as the log of a negative number. No positive number (base) raised to any power can be negative. The second equation is equivalent to log 3 + log4 = log12, which is true, since log12 = log(3x4)
Sunday, December 13, 2009 at 11:58pm by drwls

Math
If you are given a conditional statement that you know is true, can you predict whether i) the converse is true? ii) the inverse is true? iii) the contrapositive is true?
Saturday, April 5, 2014 at 2:52am by Theo

algebra
take any true inequality, say ... 4 < 10 now multiply both sides by 10 40 < 100 , still true divide original by 2 2 < 5 , still true multiply original by -10 -40 < -100 , FALSE!, how do we make it true ? -40 > -100 divide original by -2 -2 < -5 , FALSE! , how...
Tuesday, January 3, 2012 at 1:06pm by Reiny

math
is this equation is a linear equation [x + 2y -3z / e^2 + In(2) =0.]true or false
Friday, April 15, 2011 at 3:35am by Fakaapo. Suetusi

Math help give an example
there are an infinite number of lines that pass through any single point. so, just pick any equation which is true for (0,0), say 23x - 12y = 0 In fact, ax+by=0 is true for (0,0) no matter what a and b you choose.
Thursday, December 13, 2012 at 2:02pm by Steve

Math homework
when given 5,5,5,5,5 using the order of operations and parenthesesto make a true expression where would i place my -,+ *,/ to make the answer equal 1
Monday, September 27, 2010 at 5:39pm by tan

critical thinking
Unless there are only three entrees, the statement is fallacious. Because a, b and c are true, it does not necessarily make d,e, f, etc. true. To make it logical, one can say, Although all of the entrees at that restaurant are excellent, the New York steak, the Maine lobster ...
Wednesday, July 2, 2008 at 5:39pm by GuruBlue

Math
Write a false conditional statement. Is it possible to insert the word "not" into your conditional to make it true? If so,write the true conditional. -False-If all male are human, then all human are male. -True-If all male are human, then all human are not male. Does this make...
Sunday, October 3, 2010 at 9:48pm by Shadow

English
I'm posting you your answers for the true-false activity again because I don't want to make them wrong. Lorenzo thinks that learning English is difficult. TRUE Lorenzo prefers geography lessons to English lessons. TRUE Though Lorenzo doesn't say it explicitly, you believe both...
Tuesday, September 20, 2011 at 5:35pm by Henry2

math
In order for an ordered pair to be a solution to a system of equations, it must satisfy all equations in the system. So, when you plug the x and the y into each equation, they BOTH must be true to be a solution. If one is true and the other is false, its NOT a solution. For ...
Sunday, April 25, 2010 at 5:03pm by Mike

Algebra ll
Slope-intercept form y=mx +c where m is the slope. You are told that the slope is -4, so the equation muct be like y = -4x + c That rules out one of your choices. Now, of the other two, the equation must be true for the point (1,2). So which of these is true? 2 = -4 * 1 + 6 2...
Wednesday, September 30, 2009 at 11:49pm by jim

math
let me illustrate with an example suppose we have the statement 8 > 3 , which is true if I add or subtract any number to this statement the result is still true e.g. 8+5 > 3+5 13 > 8 , still true ! 8-10 > 3-10 -2 > -7 , still true suppose we multiply by a ...
Monday, May 16, 2011 at 8:38am by Reiny

math
Are you sure your first equation is correct? You have a y on both sides. If that is true, x must be zero. Use the second equation for y.
Saturday, November 17, 2012 at 12:50am by drwls

math
test whether it is true for n=1: 1/2 = 1/2^1 yes Now, assume it is true for n=k. That is, 1/2 + 1/4 + ... + 1/2^k = 1 - 1/2^k Now, what do we have for n=k+1? 1/2 + 1/4 + ... + 1/2^k + 1/2^(k+1) = 1 - 1/2^k + 1/2^(k+1) = 1 - 2/2^(k+1) + 1/2^(k+1) = 1 - 1/2^(k+1) So, if it's ...
Saturday, April 27, 2013 at 2:05pm by Steve

algebra1 HELP PLEASE
find the value of x and y that make each equation true -4+(y)^i=-12x-i+8 please show the steps thanks
Friday, July 5, 2013 at 1:41pm by lisa

Math
The equation y=2x+7 represents a linear relationship that is non-proportional. What changes could I make to the equation to make it proportional? Thanks
Tuesday, November 29, 2011 at 7:18pm by Tim

American History
1.True 2.A 3.B 4.D 5.A 6.True 7.c. 8.False 9.True 10False 11.A 12.True 13.True 14.D 15.A 16.C 17.False 18.C 19.True 20.true 21.C. 22.A. 23.B 23
Thursday, May 14, 2009 at 9:55pm by Shawn

American History
1.True 2.A 3.B 4.D 5.A 6.True 7.c. 8.False 9.True 10False 11.A 12.True 13.True 14.D 15.A 16.C 17.False 18.C 19.True 20.true 21.C. 22.A. 23.B 23.B.
Thursday, May 14, 2009 at 9:55pm by Shawn

alg2 check?
At this point, since the two sides of the equation have identical values, the equation is true for ALL values of n. There is no value of n which makes the equation not true. If you want to keep going, just do what you usually do. Add 6 to both sides: 30n=30n subtract 30n from ...
Monday, July 15, 2013 at 5:28pm by Steve

algebra
Is this a true/false or did you make a typo? -5+2 equals -3, which is less than -2, so this would be true. If that's not the problem, please retype it.
Thursday, May 20, 2010 at 6:04pm by Jen

algebra
Did you test the point ??? for (1,1) first equation: 1 ≥ 2-1 , or 1 ≥ 1, true 2nd equation: 1 ≤ 3-1 , or 1 ≤ 2, true mmmhhh?
Monday, May 3, 2010 at 3:03pm by Reiny

True/False question
When phosphate groups are joined together to make ATP, it gives off energy. Is this true?
Thursday, April 16, 2009 at 1:10pm by Terrie

Health
1. It is not possible to get a good workout at home. True *False 2. Most home equipment is expensive. *True False 3. A treadmill is a good choice of home equipment for a person who wants to improve their cardiovascular fitness. *True False 4. Something as simple as an exercise...
Thursday, May 2, 2013 at 2:21pm by Anonymous

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