Number of results: 244,948
math
Determine whether the statement is always true, sometimes true, or never true. 3) The length of the hypotenuse of a right triangle equals the length of one of the legs of the triangle. Answer choice: a.) always true b.) sometimes true c.)never true
Wednesday, April 14, 2010 at 12:18am by nicole
Discrete Math
Similar to a≥b! Consider R:{(3,2),(2,2),(3,3)} "Antisymmetric if a~b ∧ b~a -> a=b " (3,2)[true] ∧ (2,3)[false] -> 2=3 [true] (because the statement is true whenever the condition is false) (3,3)[true] ∧ (3,3)[true] -&...
Tuesday, February 8, 2011 at 9:04am by MathMate
Math
Can someone check my answers for me pls? True or False LCM of 10 and 18 is 180; False LCM of 8 and 30 is 120; True LCM of 3 and 4 is 12; True LCM of 42 and 28 is 168; True LCM of 9 and 15 is 45; True
Friday, December 5, 2008 at 12:30pm by Jaden
Physics/Math
Given two vectors, a and b, such that a + b = a - b, find the magnitude of b. Consider the equation a + b = a - b to be n vector notation and both a and b have components. Subtract the a vector from both sides. You are left with b = -b That can only be true if b = 0. That ...
Sunday, February 18, 2007 at 12:51am by COFFEE
algebra
The eqution reduces to y = x Solving an equation means to find the values of the variable that make the equation true There will be an infinite number of solutions, as long as the x value is equal to the y value e.g. x = 67, y = 67 works x = √37 + 6.5 , y = &#...
Tuesday, September 6, 2011 at 8:50am by Reiny
Math
I am supposed to find five ordered pairs to make the equation true y = 20 + x/3 so far I have (0,20) and (6,22) is this right? I am unsure because my text example had x^2 + 3x = y (0,0) (1,4) (2,10) (3,18) (4,28) and they have a common theme (muliply by by 0 then 4, 5, 6, and ...
Wednesday, January 6, 2010 at 8:55pm by Punkie
Math
I am supposed to find five ordered pairs to make the equation true y = 20 + x/3 so far I have (0,20) and (6,22) is this right? I am unsure because my text example had x^2 + 3x = y (0,0) (1,4) (2,10) (3,18) (4,28) and they have a common theme (muliply by by 0 then 4, 5, 6, and ...
Wednesday, January 6, 2010 at 3:39pm by Punkie
math
okay just equation 1 has b= a - 4 we can plug in a- 4 for b in equation 2 to give you; 2a - 3(a - 4) = -2 2a - 3a +4= -2 -a + 4 = -2 -a = -6 divide by negative 1 to make a postive a= 6 now you can plug in 6 into either equation to solve for b but i would use equation 1 since ...
Monday, April 30, 2012 at 4:25pm by visoth
8th grade math
I don't see what else the question is asking. The equation is true when you find that x = -24. Substitute -24 in the original equation to prove that it is the correct value of x.
Monday, October 4, 2010 at 4:25pm by Ms. Sue
math
True or False. A data set resulted in a regression equation of Y = 17.08 - 1.16x From the equation we can determine that the X variable is directly related to the Y variable.
Sunday, September 14, 2008 at 10:47pm by Barbara
english
Do you or don't you want too few surveys because you won't have enough answers to support any generalizations or findings you may make? true or false? I believe that it is true because you want all the evidence you can get on the subject you surveying.
Thursday, December 29, 2011 at 12:55am by Jazmyne
Algebra 2
To solve for a variable, you just use algebraic operations to isolate it on one side of the equation, with everything else on the other side. The key to doing this is to remember that if an equation is true, doing the same thing to both sides of the equation leaves it still ...
Wednesday, October 12, 2011 at 11:25pm by Steve
math
how do i make this a true sentence? 3=4+3-1/2
Wednesday, February 16, 2011 at 7:31pm by angel
helath help
11. Fats help maintain your cell membranes. (1 point)True False 12. Your body does not use energy when you sleep. (1 point)True False 13. People with anorexia nervosa eat large amounts of food and then purge. (1 point)True False 14. Your body image is the way others see your ...
Sunday, November 18, 2012 at 7:14pm by tesj
Economics/Math
take a shot, what do you think. Hint: true, true, true
Tuesday, November 3, 2009 at 11:02pm by economyst
not math
a. You will continue to be sore. b. All can be true. c. All can be true. d. Either one of the first two sentences is false, or Homer is not a student. e. All can be true. f. All can be true.
Saturday, March 31, 2012 at 1:33am by PsyDAG
chemistry
Which of the following statements is NOT true in regards to water, ethanol, and isopropanol? A. Water has the highest boiling point. B. H-O-H and C-O-H bond angles are all equal to 1095. C. Dispersion forces affect all three molecules. D. Two lone pairs of electrons are ...
Friday, January 26, 2007 at 11:25pm by helppleez
math
Is it always true, sometimes true, or never true that a regular quadrilateral have 2 or more obtuse exterior angles?
Sunday, October 18, 2009 at 9:55pm by Brandi
geometry
Keep in mind it does not have to be in ratio of 3:4:5 to be a right triangle, it has to make the equation c^2=a^2+b^2 true. Another common right triangle is 5,12,13.
Tuesday, February 26, 2013 at 9:54pm by Jeff
algebra
No, it is not a true sentence because you do not have the answer. To make it a true sentence, follow Leanna's directions.
Sunday, November 21, 2010 at 8:53am by Jen
math
can someone correct this for me... solve: -4(2x - 3) = -8x + 5 my answer: this equation has no solution because they don't equal i get 0=-7 -4(2x-3)=-8x+5 -8x+12=-8x+5 0(x)=-7 So am I correct You are right, let me explain a bit more. When you write down: -4(2x - 3) = -8x...
Monday, January 1, 2007 at 4:44am by jasmine20
Math, 11
okay so i am trying to model a cubic equation to fit my curve my base curve is specifications: x value-0 to 6.19 amplitude-0.77 amplitude coordinates-3.73,0.77 x intercepts-0,0 and 6.19 , 0 this is my curve and i have to make a equation and include transformations to make this...
Saturday, April 24, 2010 at 8:40pm by Functions
9TH GRADE SCIENCE
i had to answera true and false question and i wasnt sure how to make this statement true: Glucose and sucrose have the same number of covalent bonds.
Tuesday, September 30, 2008 at 8:50pm by kristen
Algebra
98. Solve the equation -49 = x - 50 x=1? 94. Determine if the following equation is a function: x=2 No? 92. Determine if the following equation is a function: y=5 No? 89. Solve for x in the equation: 6/7x - 6 = -2 I got x=28/3 86. Does the following set of coordinates make a ...
Saturday, May 1, 2010 at 4:37pm by y912f
Biology
Just took a quiz and here are the corrected answers 1. True 2. True 3. False 4. False 5. True 6. False 7. True 8. True 9. False 10. False 11. True
Thursday, September 8, 2011 at 2:54pm by Dak
Math(Please help)
I may be dense but I still don't get it. if yo is 1.005, that's the number that goes into the equation for yo. There is no t there. The equation would have to be yo*t for that to be true. right?
Wednesday, September 12, 2012 at 10:36pm by DrBob222
Math
In logic, "or" means _either one_ of them is true. Maybe one is true, maybe the other, maybe both, but as long as at least one of the statements is true, then the whole statement is true. Given that, cal you see which statements are true? We define "prime number...
Tuesday, October 20, 2009 at 12:29pm by jim
math
so is the equation true or false
Tuesday, November 2, 2010 at 5:42pm by Bryan
math
not true counterexample 5 > -6 ----> true then 5^2 > (-6)^2 ?? 25 > 36 ----> False the statement is true only for positive values of x and y, so it is "sometimes true"
Monday, July 20, 2009 at 12:37am by Reiny
Math
first, collect the stuff with d on one side, and the plain numbers on the other. Recall that a true equation remains true if you do the same thing to both sides. So, start by adding 3.4 to both sides: d/2.5 - 3.4+3.4 = 4.6+3.4 d/2.5 = 8.0 Now, multiply both sides by 2.5: d/2.5...
Monday, May 20, 2013 at 12:10am by Steve
geometry
Is it always true, sometimes true, or never true that the centroid is outside its associated triangle? Is it always true, sometimes true, or never true that two complementary angles have a common vertex?
Sunday, May 30, 2010 at 8:58pm by lisa
Math
Explain why there is no number that can replace N to make the |N| = -1 true.
Friday, September 2, 2011 at 12:24pm by Cathy
Algrebra
How do you insert grouping symbols to make this equation true? 14 divided by (5+2) +8=10 14/7=2+8=10 Please confirm, I really have an issue with Algebra
Sunday, March 20, 2011 at 12:52pm by Jeannie
math
how do I figure ou this answer? Jess say's the square of the sum of 17 plus some number will equal his mother's age squared. If jess' mother's age squared is 2209, what number must be used to make the equation true?
Tuesday, October 14, 2008 at 12:39am by sarah
Math
You are given two equations which are both true, and you are asked to solve for both x and y. You plan to solve this set of equations by substituting part of one equation into the other so you end up with an equation that contains only x's or only y's. The first thing ...
Tuesday, October 7, 2008 at 8:05pm by Jen
Math
if a polynomial function is of degree n, then the graph will have n-1 relative maximum and minimum points. Is this: Always True, Sometimes True, or Never True? It's really confusing me.
Tuesday, February 7, 2012 at 10:35am by Lauren
Health
no, not c. Depressants are anti-seizure drugs. b. is ridiculous d is ludicrous, downers make folks very down. a. True, and very especially true if combined with alcohol.
Wednesday, October 19, 2011 at 5:55pm by bobpursley
math
Which value for n makes the equation n / 8 =1 true
Monday, April 29, 2013 at 5:06pm by cecil
HEALTH HELP PLEASE!!
Fats help maintain your cell membranes. (1 point) True False 12. Your body does not use energy when you sleep. (1 point) True False 13. People with anorexia nervosa eat large amounts of food and then purge. (1 point) True False 14. Your body image is the way others see your ...
Wednesday, December 5, 2012 at 3:53pm by Jess
Geometry
Is it always true, sometimes true, or never true that the circumcenter is outside its associated triangle? Is it sometime true?
Friday, August 7, 2009 at 10:58pm by Tre
Math
There are some corrections to make, starting from p (first column) and q (third column). Sorry that the first column was wrong, it should have read: (p <-> q) -> p T T T T T T ? F F ? T F ? F 1 3 2 4 1 We usually give p [TTFF] and q [TFTF] in order to have...
Sunday, July 17, 2011 at 7:09pm by MathMate
math square root
Indicate which of the following are true and which are false. for those that are false, change the UPPER-CASE expression to make the statement true. *Every integer is a WHOLE number * the quotient of two non zero numbers is always a RATIONAL number * the counting numbers are ...
Tuesday, November 20, 2012 at 10:06am by alexander
MATH
1/6 + x > 1/2 What does the value of X have to be, to make this sentence true?
Tuesday, January 8, 2013 at 1:06pm by KENZI
math
what is true of all values of x that will make divisible 2*x by6
Wednesday, October 10, 2012 at 1:50pm by bryant
math
Study this pictorial equation. 2 trinangles 2 circle with in x inside equal 3 trinangles Which choice is true based on the pictorial equation?
Wednesday, December 14, 2011 at 7:09pm by stephanie
Chemistry
Let's convert 6.0 L methane to mols. (That isn't required but it's a place to start.) At standard T and P, gases occupy 22.4L; therefore, mols CH4 = 6.0/22.4 = about 0.27 mols. (I'm rounding here to make it simpler.) mols O2 = 12.0/22.4 = 0.54 mols. The ...
Friday, September 21, 2012 at 9:44pm by DrBob222
Chemistry
Your other answers look ok to me also; I suspect the outlier may be those where part of the statement is true and part is not true and we must make a guess as to which is right. Sorry I'm not of more help.
Saturday, December 8, 2012 at 2:54pm by DrBob222
Algebra 1: 8th Grade
for the first one: 3x+3=3(x+1) expand it to get 3x+3 = 3x+3 0=0 this is a true statement, so any value of x makes the original statement true. This is an example of an "identity" for the second: x-4-x=0 , so -4 = 0 this is a False statement, so NO value of x will ...
Monday, September 22, 2008 at 10:04pm by Reiny
mathematics
In a mathematical equation, the coefficient is A. the numeric value of the unknown that makes an equation true. B. the term brought from one side of an equation to the other by performing the opposite operation. C. a number or quantity placed before another quantity to ...
Thursday, May 14, 2009 at 9:50pm by Anonymous
health
if i put a .... thats what ithink the answer is may u checkitin tell what i got wrong so i can retry to do it 11. Fats help maintain your cell membranes. (1 point)True False .... 12. Your body does not use energy when you sleep. (1 point)True False .... 13. People with ...
Monday, November 19, 2012 at 8:45pm by Anonymous
Math
What value for a makes this equation true? 5a=a
Thursday, April 26, 2012 at 5:22pm by Zoomy
math
Make a true sentence by inserting parentheses.4x9-2=28
Tuesday, December 1, 2009 at 7:24pm by arissa
math
|n+1|<4 How many values of the integer n will make the inequality a true statement?
Sunday, May 15, 2011 at 11:43am by Anonymous
math
6 x ? = 24 what would the ? equal to make this a true multiplication sentence?
Thursday, January 6, 2011 at 2:48am by helper
math
where do you place parentheses to make this statement true 9,5 + 2 - 8 times 3 + 1 = 22
Wednesday, October 20, 2010 at 8:09pm by isaiah
math
Copy and place parentheses to make each statement true. 6 + 6 / 6 * 6 +6 = 24
Thursday, September 30, 2010 at 3:04pm by tammy
Reading
can you help me thank you: 2.Detecting bias is one of the major keys to effective critical thinking and reading. True or False, I believe True 3.Deductively valid arguments can guarantee their conclusions. True or False, I believe it is false 4.A fallacy is an unreliable and ...
Saturday, August 6, 2011 at 5:35pm by Naomi
English
True or False A helping verb is the verb that helps the main verb make its statement. True???
Monday, April 5, 2010 at 10:50pm by Keen
algebra
Just recall that your goal is to get "n" all by itself on one side of the equation. To do that, collect all the "n" stuff on one side, and all the numbers on the other. Key: If an equation is true, then it remains true as long as you do the same thing to ...
Thursday, October 6, 2011 at 10:01pm by Steve
customer service
true / false Customers become less demanding as time passes; therefore, going the extra mile for them will not make your customer service any more valuable. (Points: 1) True False 2. In evaluating your customer service attributes, asking those with whom you interact regularly...
Friday, August 7, 2009 at 2:01pm by mike
math
First of all, what is this "filter" you are talking about? Is "filter"supposed to be a variable. I will assume that it is, and will replace it with x so you state 5 - 5cos √x = 5sin √x Secondly, this is not true for all x's as you ...
Wednesday, December 28, 2011 at 10:04am by Reiny
Algebra
The only solution to sqrt (2x+3) - sqrt(x+1) = 1 is x = 3 I think that is true but I'm not sure if I was suppose to separate this equation I just put the 3 in the place of the x and it was true but should I have done it differently?
Friday, January 7, 2011 at 6:05pm by Mellie
algebra
Replace each equation with constants to complete the square and form a true equation x^2+2x+--=(x+---)^2
Thursday, May 26, 2011 at 11:22pm by mema
calculus
Rewrite it as an equation for y in terms of x. y - 0.5 x = y This means x = 0 For the equation to be true, x must be zero. y can be anything.
Monday, January 24, 2011 at 11:31pm by drwls
math
What value of f makes the equation true? f – 18.4 = 11.8
Monday, September 10, 2012 at 12:32pm by ashey
math
What value of f makes the equation true? f – 18.4 = 11.8
Monday, September 10, 2012 at 12:35pm by Allison
Math
how do you know whether an equation is true, false, or an open sentence?
Monday, February 16, 2009 at 9:24pm by Angie
Literature
During the Renaissance, people rediscovered the literature of the past. True or False? At that time there was an enormous renewal of interest in and study of classical antiquity. So True, right? Just wanna make sure, Thanks.
Saturday, July 3, 2010 at 6:27pm by Andy
math
Yes it would make it true. It is saying 19 - 8 is less than 12. So then you can simply do the math, and you come out with 11 is less than 12. Which is a true statement. 19 - 8 < 12 11 < 12
Monday, November 15, 2010 at 8:04pm by Y0gi
MATH
Where do I place the parentheses to make 16-30/10+5=14 true
Monday, August 27, 2012 at 11:09pm by KAIDIN
Math
WHERE DO I PUT THE PERENTHESIS TO MAKE THIS STATEMENT TRUE: 18+2*1+3 TO THE SECOND POWER
Monday, August 27, 2012 at 6:29pm by Andrea
math
who do u make this true by putting parentheses? 4 plus 1 minus 3 divided by 2 equals 1
Tuesday, May 8, 2012 at 8:36pm by fgjtf
Math
where would you put the parentheses to make this true 124-6 x 0 + 15 = 34
Wednesday, October 19, 2011 at 8:24pm by Brandon
math
20-5+3=12, where to put parenthesis to make the number sentence true?
Thursday, October 1, 2009 at 8:48pm by Lisa
math true/false
All diagonals from a single vertex of a hexagon are drawn. Four triangles will result. True False true?
Wednesday, April 13, 2011 at 11:05am by danny
SAT algebra
(x-8)(x-k) = x^2-5kx+m In the equation above, k and m are constants. If the equation is true for all values of x, what is the value of m?
Saturday, September 24, 2011 at 5:45pm by Lisa
college math 116
The "x" is the one make a linear function or equation. Cuz x is independent variable and we just plug it in equation to find y or f(x). Linear equation has formula: y=ax+b Unlike parabola: y=ax^2+bx+c and so on.
Thursday, October 7, 2010 at 11:05pm by Trinh
math
Make the second equation 3x - 6y = 33, and subtract it from the first equation. That should lead you to 11 y = -44 Take it from there
Saturday, December 6, 2008 at 10:22pm by drwls
Algebra
If you end up with no variables, and the remaining statement is false, like in your case ----> the equation has no solution. If you end up with no variables, and the remaining statement is true ---> the equation is true for any value of the variable. It would be ...
Wednesday, August 31, 2011 at 1:06am by Reiny
Algebra
My instructions are to solve the problem by showing the steps and identify as a conditional equation, an inconsistent equation or an identity. 0.06q + 14 = 0.3q - 5.2 You can convert that to 0.24 x = 19.2 and solve it for x. The original equation is neither inconsistent (an ...
Friday, June 29, 2007 at 1:06am by Bianca
Math
You can write the equation y=x+4 in different ways. Which of these is correct ? x+y=4 x=4+y y-x=4 y+4=x x=y-4 There could be a couple of ways ... Please help I do not have a clue on this. I will be very greatful if you could help in the next 30 mins xxxx why don't you pick...
Wednesday, April 18, 2007 at 3:47pm by Emma
maths
Multiply out the (x + 3)(x -2), giving you x^2 +x -6 = 1 , and then subtract 1 from both sides of that equation. You will get you the equation that you want to prove. That proves it is true
Friday, January 1, 2010 at 5:50am by drwls
Math
You need to show the equation you are referring to, that has a constant c in it, which you are supposed to make true. I will assume the equation is, for the 100# object in question, W = C/R^2 where R is the diatance of the object from the center of the Earth in miles and W is ...
Monday, March 10, 2008 at 2:12am by drwls
math
how many ways can this equation be made true 24 x 18 = 432 x
Tuesday, March 29, 2011 at 7:54pm by mom
biology /check please
In this homework I suppose to answer by true or false if its false I have to rewrite to make it true help me please
Thursday, December 23, 2010 at 1:36pm by joy
Algebra
Without parentheses your equation is ambiguous. I will assume that what is intended is x/(x+3) - 3(x-3) = (x^2+9)/(x^2-9) Multiply both sides by (x+3)(x-3), which is the same as x^2-9, and you get x(x-3) -3(x+3) = x^2 +9 x^2 -6x -9 = x^2 + 9 -6x = 18 x = -3 x=0 is not a ...
Sunday, February 3, 2008 at 1:19pm by drwls
math
Which sign goes in the box to make the number sentence true? 3/4 ? 6/8 a. > b. < c. = d. +
Sunday, May 12, 2013 at 1:10pm by Debbie K
math
Which sign goes in the box to make the number sentence true? 7/8 ? 1 a. = b. + c. > d. <
Sunday, May 12, 2013 at 1:08pm by Debbie K
math
Which is the correct symbol to make the resulting inequality true? 4 4/3 > 4 1/2 Or 4 4/3 < 4 1/2 What does this mean?
Tuesday, November 1, 2011 at 3:59pm by Ruby
math
use parenttheses to make each number sentance true 124-6*0+15=34
Tuesday, September 6, 2011 at 9:25pm by jd
math
16-30/10+5=14 use parenthese to make the statement true
Tuesday, August 30, 2011 at 7:02pm by seddy
math 5th grade
Insert parentheses to make sentence true: 32 + (-4) - (-5) * 4 = 13
Sunday, February 13, 2011 at 3:20pm by Sally
Math
Where do I inerst parenthesis to make the following statement true: 56 divided by 3 +4 x 1 + 2 =24
Monday, September 27, 2010 at 1:30pm by Lori
Math
use addition, subtraction, multiplication and/or division to make a statement true 3 3 3 3 3 3=100
Wednesday, January 13, 2010 at 7:03pm by Ann
math
14+12-6=20, where to put parenthesis to make the number sentence true? How?
Thursday, October 1, 2009 at 8:52pm by Lisa
PHI 103
1. The premises of an argument are ANS - CORRECT true or false. 2.If I expect that something in the future will be similar to something in the past, it is likely that I am using CORRECT inductive reasoning. 3.Question : A valid argument is one that, if its premises are ...
Saturday, February 11, 2012 at 7:51pm by ALWAYS RIGHT
Beginning Algebra
how do i figure out this problem i have to make the equation true by inserting one or more parenthesis a. 2 * 3^2 + 4 * 3 - 1 = 47 For this a. 2 * 3^2 + 4 * 3 - 1 = 47 You need a fairly large number compared with the available numbers, so you might try grouping the 2 and 3 ...
Wednesday, September 27, 2006 at 2:19pm by Eliana
Math
let's illustrate it with a number example hope you agree that 8 > 3 You can add or subtract the same number to both sides of the inequation and the statement would still be true, right? now multiply both sides by any positive number e.g. 8(5) > 3(5) 40 &...
Tuesday, May 19, 2009 at 9:10pm by Reiny
math
5f + 3b = 5.7 2f + 10b = 3.6 Multiply first equation by 2 and second by 5 to make 10f in both equations. Subtract one equation from another and solve for b.
Tuesday, May 1, 2012 at 4:15pm by PsyDAG
chemistry
Add equation 1 to the reverse of equation 2, then add twice equation 3 and twice equation 4. Cancel atoms/molecules common to both sides and check to make sure you have the equation you want. Don't forget to change the sign of any delta H value for which the equation was ...
Thursday, October 29, 2009 at 7:59pm by DrBob222
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