Math-confused!

138,000 results

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

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

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

3a +4/4a+4 x a^2 - 6a -7 Asking for the product so confused

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

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?

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

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

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...

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

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

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 ...

Chemistry

Write the overall cell reaction for a cell containing aluminum metal and Zinc(II)sulfate so would it be: Al (s) + ZnSO4 (aq) <---> Al3+ + ZnSO4 ?????? I tried to do it myself but I'm a bit confused... I'm confused about the charges because isn't ZnSO4 neutral since Zn is...

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

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