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Math-confused!

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English
1. She was confused at his error. 1-2. She was confused by his error. 2. He was confused about something. 3. He is confused in mind. (Are they all grammatical? Which prepositions are commonly used?) 4. That is very confusing to the public. 5. That is very confusing for the ...

Math
ok so i'm kinda sort of confused... I had this for a equation X^2 + 4X - 1 = 0 and then I was like zero??? zero... really zero... hmm... X^2 + 4X - 1 = dy ???????? That zero does represent when Y equals zero correct??? this allows us to solve for X OH!!!!!!!!!!!!!! wait so I'm...

confused in math
1.20 with a line over 20 convert decimal to fraction, step by step detail because I am lost and confused

math-algebra
Find three different ordered pairs that are solutions of the question x=2 and you have to use -1,0,1 for thje subsitut of y or x i don't know.im so confused please help i don't know the ansrer math is hard I can see why you are confused-- so am I. If x = 2, that is just a ...

Confused
We are doing distributive properties. Ex: 0.5(4m+3)-0.2(6m+1) OKay so is that minus 0.2 or negative 0.2. I'm so confused. Is this how you would simplify it? 2m+1.5-1.2+0.2 Help me please and thank you.

Algebra
Simplify 1) 4r+3-9r^2+7r 2) (4h^3+3h+1)-(-5h^3+6h-2) 3) 5k (3-4k) 4) (2x-3)(4x+3) 5) (4x-3)(4x+3) My answers: 1) 11r+3-9r^2 2) this one I am confused about 3) confused 4) 7x×7 5) 8x-6 Please help me

english
is it right when we say am confused or i am in confusion or confused ?

Chemistry CONFUSED
Ok I'm really confused on the question I asked how many CO2 molecules can be made with 0.500 mol of oxygen atoms. Please help with setting this up

Math help ? confused
The length of the Boston Marathon is 138,435 ft. Each stride, or step, by a particular runner is 3 ft long. Does the number of strides the runner takes fit evenly into the length of the race? I am lost on this question. Can anyone give me a direction? Do I divide? I am in 6th ...

Chemistry
Help please am kind of confused on this problem, am mostly confused on what state the products will be. Find net ionic equation? 2Al(s)+ 3CuCl3(aq)-> 2AlCl3(?)+ 2Cu(?)

Math vocab
What does distance/time/rate of speed mean?? Its all one word AND IM SOO CONFUSED! Movement? I am confused also. Rate of speed is not a common term. Speed is rate of motion , or rate of change of distance per time. i need help on my math vocab what is a sector What is the ...

chemistry
so i know that one mole is 6.022*10^23 particles in 12g of a carbon 12 isotope. im confused in finding the amount of moles in a particular substane. there is a formula that determines it, i think its n=m/M, yet im confused with what it means..

Chemistry
Help please am kind of confused on this problem, am mostly confused on what state the products will be. Find net ionic equation? I BELIEVE ITS BALANCED NOW. 2Al(s)+ 2CuCl3(aq)-> 2AlCl3(?)+ 2Cu(?)

Confused
Somebody at my school said that Jiskha homework help blocked them from posting answers for no reason. That person is a big bully and I don't believe him. Is that true? Why would that happen...? Confused... Hello Kitty :-)

algebra
I'm really confused on substitution. My teacher has a terrible accent and cannot understand what she says. i get the basics myself but i'm pretty confused on the following problems: 1) y= 3x - 8 y= 4-x 2) 2x + 7y = 3 x=1- 4y 3) x = 2y 4x + 2y = 15 Any help. I know i should ...

Math
Hi there! I am so confused about these questions if anyone could help that would be great. 1. Simplify. x+5/x^2+6x+5 A) 1/x+1; where x= -1*** B) 1/x+1; where x=-1,-5 C) 1/x-5; where x=5 D) x-5 2. Simplify. x^2+3x-4/x+4 A) 1/x-4; where x=4 B) x-4 C) x-1; where x=1 D) x-1; where...

hcr220 college
I am confused with what they are wanting me to do. It says write a 1500 to 1750 word essay in which you discuss implications of both forms of the patient's diseases, HIV and AIDS, from the perspective of HIPAA confidentiality. I am confused on what implications means.

math 012 please help explain
can someone please help explain how to do this problem. i have a previous posting where i tried to work the problem out, and someone tried to explain where i was confused, but im still confused. 4(2n+1)=3(6n+3)+1

chemistry A level
hello my teacher has really confused me. can anyone tell me how you can figure out the shapes of molecules and what types of shapes there are??? i am really confused! thankyou xxxx

math 2 questions this time
Find the area of the parallelogram. A height of 8 and a base of 24 then there is a another number I think its length but its 8 and im confused because its B*H for parallelogram sooo yea can someone help me and show me how. thanks. what is the surface area of the prism? There ...

Biology
I am a bit confused about conjugation, transduction and transformation. I understand the basics but how do they work? More confused with transduction and transformation. Thanks for any help in advance!

math
im a lil confused on this question it ask what number is 73% of 215 am i supposed to multiply 73% and 100 or am is supposed to multiply 215 and 100 then divide? or what just a lil confused

Math - Trigonometry
For how many values of theta such that 0<theta<360 do we have cos theta = 0.1? (Note that theta is a measure in radians, not degrees!) I'm kinda confused with the problem? Could someone help me? I'm thinking unit circle, so cos is the x coordinate. It would be easy if ...

Thermochemistry
I'm confused about the difference between the q in q=mc(Tf-Ti) and (Delta)H, or enthalpy. What exactly does enthalpy mean and how is that different than q? (I'm also confused about what Gibbs Free Energy actually means; I know that if it's negative, the reaction is spontaneous...

Pharmacy Tech
20.) To find out if a drug causes nausea, you would look in this section of the drug monograph. a) adverse reactions b) contraindications c) how supplied d) warnings I am leaning towards a but not sure..I could also think it could be d as well...am confused and i keep ...

Math
I'm so confused. 3=6.2*y

biology
Need help with FOV area (mm2) totally confused? im confused i have the FOV diameter they are: 4x = 5 10x = 2 40x = 0.5 a classmate told me she thinks the area for 40 x is: pi(5/2)^2 = 19.6 not sure if that's true or how to do it for the low and medium, magnification. please ...

math
f + 4 5/12 = 5 3/8 does 5 = 1 19/24? I don't think so and I'm confused

math
this problem confused me. -5/-7x + -1/5x = - 3/5

math
this problem confused me. -5/-7x + -1/5x = - 3/5

math
Im confused please help me!:<

math
1/2X+3=9 solve for x. I'm confused

Math
Confused on this 8log8(19)=

Math
Can someone help me? I'm confused. 4.3(1-2k)=-5k A.-1 B.1 C.2 D.3

Math
Simplify (2^-5 x 2^-6)1/2 Help I'm confused!

math
7x/8 = 21 i am kind of confused on this

Math
-1/8(x+35)= -7 How do I solve this??? I am confused

Math
This one confused me since it revolved around what seemed like dividing trig function by another function Write the following expression in terms of the tangent function 2 / ((cos(r^2 - s^2) / (sin(r^2 - s^2)) = ? I know tan t = sin t / cos t. So would I multiply by the ...

math
Please help me I am confused on this math problem. solve. y/8-8/y=0 what are the solutions? Wouldn't they be 0?

essay
ok so i'm confused about my essay topic: "what creative works (any medium) should a student be exposed to in order to prepare for university life?" im confused on what creative works they are referring to. art? literature?

Maths
Please help with Factorising! I am very confused because I have been away from school. I am very confused with factorising with group terms and finding the HCF binomial factor and takin out the HCF.

math
i also have a math test tomorrow and i get sooo confused with irregular shapes in geometry

Quick math help
Points EC bisects points AD at C. For each of the following, find the value of 'x' and the measure of the indicated segment. Please correct me if I'm wrong! 1. AC= 3x+6 and CD=2x+14 x=_______ AC=______ Answer: x=8 AC= 30 2. AC= 5x-8 and CD=16-3x x=______ AD=_____ Answer: x=3 ...

math
Simplify: (-1-2i)+(4-6i) I get 3-8i and 5-8i... confused, which one is it?

math
(x-2)(x-2)(x-2) I am confused on how to get an equation from this. I know its x^3 but now what?

math
2/7 = 1.6 --- ---- solve for r very confused 20 r

Math
I am so confused, does anyone know how to solve 6x + 5y = 15. PlEaSe HeLp

Math
-7(3+5x)=399? I'm confused please help me!

Math
-7(3+5x)=399? I'm confused please help me!

Math
I am confused on how to do this so please help me: Evaluate: 2[(5+7)+(3-2)-3(2+2)]

math
-|-(5+2-4)| confused about the signs?

Math
15 <_ -k/4 -9 I am confused how to solve this problem. Thanks

Math
Simplify 3^2 x 5^-3 x 2 Divided by 2^-8 x 3^5 So confused!!

Math
Let f(x) = 3x + 2 Find f(a) and f(2a). I'm confused, can someone help me?

math
i wanted to get the answer for (5-2*.5)(4-2*.5)(63) but am confused

Math (Ms. Sue! Anyone!)
1)At 1 p.m., Lin records an outside temperature of –14.8°F. At 3 p.m... she records the outside temperature and notices the temperature had increased by 22.6 degrees. What was the temperature that she recorded at 3 p.m.? ( no multiple choice) *confused on this question* 2...

math
1)At 1 p.m., Lin records an outside temperature of –14.8°F. At 3 p.m... she records the outside temperature and notices the temperature had increased by 22.6 degrees. What was the temperature that she recorded at 3 p.m.? ( no multiple choice) *confused on this question* 2...

college algebra
Solve the following inequality. x^3+9x^2-108 less or equal to 0. Then write your solution in interval notation. I am sooo confused and do not have any idea how to do this. Can someone please show me step by step please??? Thanks in advance. Someone who is confused.

Math
Mike scored 85, 88, 87, 93, 95, 92, and 83 on his math tests. What is the least he can score on the next test if he wants to maintain a 90 average? PLZ HELP ME!!!!!!!! I'm so confused

Math
Good evening everyone. I am very confused on how to work on the below problem. Ingrid walked her dog and washed her car. The time she spent walking her dog was 1/4 the time it took to wash her car. It took Ingrid 14 minutes to walk the dog. How long did it take Ingrid to wash ...

math
I AM SO CONFUSED!!!! Does anyone know how to figure out positive 5 x 6m????!!??!?!?!?

math
6x + 7y = 39 x = 50 – 6y What is the solution of the system? I am totally confused.

Math
I sometimes get confused with dividing decimals.

Math
-28= - 14n i am really confused on how to do this... Please help!

math
In the equation X/35 = 7, what is the value of x? A. 7 B. 5 C. 35 D. 245 is it b or d im confused

CONFUSED~MATH
if f(x) = (x/7)-3 find f^-1(x) I'm completely lost! Help

math
I am confused on this problem. k/5 + 3/20 < 3/10 I am not sure how to solve.

math
How do you solve the following problems? I get confused, can anyone help? Thanks. (7a^5-a^3)-(a^5-5a^3-1) (5x-3)(x^3-5x+2) (4w+5z)^2

Math
Simplify this expression. -12÷3•(-8+(-4^2)-6)+2. I'm confused on how to solve this. Thank you for the help.

Math
5 3/8 c = _ fl oz 43 fl oz 43/64 fl oz 86 fl oz 29 fl oz 65 in. = _ ft. 6 5/12 ft. 12 ft. 5 5/12 ft. 780 ft. I confused with these, so if you could help that would be great!!

History
1. A Hindu society in Southeast Asia that resisted both Buddhism and Islam was: A. Bali. B. Indonesia. C. Thailand. D. Cambodia. im confused between A and B 2. By the twelfth century, great center of Islamic learning in West Africa was: A. Great Zimbabwe. B. Timbuktu. C. Mansa...

gemoetry word question
can someone tell me the missing leg of the right triangle if 10 is the other leg and 26 is the hypotenuse its 16 "confused gurl" is indeed confused a^2 + 10^2 = 26^2 a^2 = 676-100 a^2=576 a=24 Your triangle is simply a multiple of one of the basic right-angled triangles, the 5...

math
now i have to solve for y. i already no that x=-1. y=-1-2 y=3(-1)+2 -1 -2 = -3 3(-1)+2 = -3 +2 = -1 THANX I WAS SO CONFUSED ON THAT

math
This may sound dumb, but I am confused. What is a skew line?

math
I'm a little confused on how to solve this system of equations. 5a=5 6b-3c=15 2a+7c=-5 Thanks

Math
how would you factor this expresssion I'm so confused. Thank you x^3-4x^2+3x/x+2 times (x^2-3x)

Math
I really need help with these questions I am very confused !!! 16^-1(2^5) 3^-26^-2+3/2(-9)^-1 (5^0+5^2)^-1

Math problem
subtract simplify if possible i am confused (4-z)/(z-6)-(6z-5)/(6-z)

math
What does partial products mean in multiplication I'm confused

math
FInd the circumcenter of the triangle (-2,4),(-2,1), (1,-1). Can someone help I'm so confused.

Math
How do you solve each of these equations for the indicated value? I'm so confused on how to do it 1. a-b=-c, for a 2. 4y+6x=12, for y 3. y=1/2x-10, for x

help math algebra
How do you solve the following problems? I get confused, can anyone help? Thanks. (7a^5-a^3)-(a^5-5a^3-1) (5x-3)(x^3-5x+2) (4w+5z)^2

math
I'm doing rational expressions and am so confused. 4x^2-18x+81/8x^3+729

Math
2/3>3/ number that makes the statement true.. I am confused

Math!
f(t) f(x) = 6x-2 I cannot answer as I am confused into how I would solve it.

Math Help!
f(t) f(x) = 6x-2 I cannot answer as I am confused into how I would solve it. Help

Math HELP!
f(t) f(x) = 6x-2 I cannot answer as I am confused into how I would solve it.

MATH
f(t) f(x) = 6x-2 I cannot answer as I am confused into how I would solve it.

Math
I'm confused on these questions. Can someone explain to me how to solve them? 1.p+12>9 A.p>21 B.p>3 C.p>-21 D.p>-3 2.m-7<6 A.m<-1 B.m>1 C.m<13 D.m<-13

Math
Solve for X (1/2)^2-x=(32)^x+1 I'm very confused on how to begin this problem.

Math
-(-(-)(-)(-10x))=-5 solve for x A. X=.5 B. X=.7 repeating C. X=-.5 D. X=1 Please help i am so confused.

MATH
WHAT IS 23.25 ROUNDED TO Im confused but I think it can stay the same or to 30

grade 9 GEOGRAPHY
I posted a question earlier about the sensitive tourist I am a little confused on what the question is asking exactly. "Sensitve tourist" suggestions so that visitors can minimize their impact on the local environment and community. My paper is on the Mixedwood Plains. So ...

social studies
I need help checking my question. Explain why the Confederacy spared Washington d.c from being destroyed? my answer. Washington was surrounded by strong fortifications and was filled to the brim with Union troops and because they did it to scare the northerns to make them ...

BPC110
Hello, I am trying to use APA format. I did some short answers and found answers in my text book, and there are 3 authors. I am just very confused if I do in cite notation, put the citation at the very bottom of each question I answered, or what. If someone could help me I ...

math
How do i find the average rate of change of the function f(x)=5x from x1=0 to x2=3 .....im so confused

Math
Find the area of a triangle with a base of 3 5/8 in. and a height of 2 1/2 in. A)4 15/32 in 2 (sq) B)8 1/16 in 2 (sq) C)4 17/32 in 2 (sq) D)8 17/32 in 2 (sq) Help!! I am so confused.

math
simplify: 2sqrt50 - sqrt8 I am confused because of the 2 before the sqrt50

Math
How would I find the zeros of the function x^3 -7x +6 ? I know how to do with a x^2 term but, I'm confused as to how to do it when there isn't an x^2.

Math
Find lim x->-3+ x-3/x^2 -9 =? Im still kind of confused please help

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