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math, correction,plz

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math
identify the value of x that makes each pair of the ratios equivalent x:4 and 45:20 A.8 B.9 C.10 plz plz plz plz help me!!!!!!!! PLZ!!!!!

math,correction,plz
can someone correct these for me plz. Simplify by combining like terms. Problem#32 radical(63) minus 2radical(28) plus 5radical(7) My answer: 4radical(7) Find the perimeter of the triangle shown in the figure. leg...1 = radical (5) + radical (3) leg...2=radical (5) - radical (...

math plz plz plz plz help plz .....thank you
mark bought a notebook for $1.45 and some pencils that cost $0.42 each if the total cost was 6.91,how many pencils did he buy A.12 B.13 C.14 D.15 is 14 the answer plz help thank you

Math ....urgent help
i just don't get this elimination method ..... plz help me plz.....teach me how to keep the x and y in a parallel line. and which number to multiply.....plz help -5x-4y=-11 10x=-6-y help me plz......

LIVING ENVIRONMENT
the ability to grow in size is a characteristic of living organism .Although an icicle may grow in size over time,it is considered nonliving because there is 1)an incerase in matter ,but no increase in the number of icicle. 2)an interaction between the icicle and the ...

math correction
correction what is : 1 x 10^-14 / 2.54 x 10^-3 the x's are (times) not variables thank you.

math,correction
can someone correct this for me plz.... Write the equation of the line L satisfying the given geometric conditions. (#1)L has y-intercept (0, -3) and is parallel to the line with equation y = (2)/(3)x + 1. My answer:

math,correction
Can somoene helpme plz... Simplify radical 7 * radical 14 wouldn't it be radical (7*14) = radical (98) = 7radical (14) = 7 radical (2) The result is right, you erred on the next to last line. So how do i show that step that i am wrong in...

I NEED HELP!!:(!!!! HELP ME PLZ!!
I GOT A FEW QUESTIONS SO what is a cell part that has the funcion of a gel-like material inside cells... and what releases energy into the cell.?? plz plz plz plz HELP!!!

math,correction,plz
can someone correct this forme solve 7/5 = 35/x My answer: x = 25 solve x/2 minus x/3 = 3 My answer: x = 18 Both are correct

math, correction,plz
can someone correct these for me plz.... Problem#36 Use Property 2 to simplify each of the following radical expressions. Radical (10)/(49) My answer: (radical(2 times 5))/(7) Use the properties for radicals to simplify each of the following expressions. Assume that all ...

math
the volume of a rectangular solid is given by expressions given below.in each case find the dimentions of the solid. a)15x^2-51x+18. b)x^3+13x^2+32x+20. c)x^2-5x/2-3/2. d)x^4+x^3-x-1 plz everyone help me out.till 2 o'clock...plz plz plz

math
the volume of a rectangular solid is given by expressions given below.in each case find the dimentions of the solid. a)15x^2-51x+18. b)x^3+13x^2+32x+20. c)x^2-5x/2-3/2. d)x^4+x^3-x-1 plz everyone help me out.till 2 o'clock...plz plz plz

social studies? i think idk
what new ideas came from the automobile? plz help plz plz plz ASAP

SS plz help me plzzzzzzz
What are the two major forces that reshape earth? Describe how itworks. plz plz plz help me there are no answer choices hope u can still help

SS PLZ HELP ME ASAP
What are the two major forces that shape and reshape earth? Describe how each one works. plz plz plz help me there are no answer choices hope u can still help

biology
a boy inherits genes for tallness,but his growth is limited as a result of poor nitrition. this is an example of 1)an inherited disorder. 2)environmental influence on gene expression . 3)expression of a hidden trait 4)a characterstic controlled by more than one pair of genes. ...

English
Can you please tell me if these sentences should be evaluated as grammatically wrong in a test? I'm looking forward to your prompt reply THank you 1) Was the hotel as they expected it to be? The hotel was different from they expected (Correction: No, it wasn't. It was ...

Analytical CHM Lab
I am filling out my neutralization titration data sheet and i did not understand how to find buret correction (ml) and corrected volume(ml) and Molarity of NaOH without buret correction and as well as with buret correction. in the lab we have used 50 ml of buret for KHP mass(g...

math,correction plz
Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression. Problem #50 (18+radical(567))/(9) my answer: 2+radical(7) Problem # 52 (-9-radical (108))/(3) My answer: -3-2radical (3) yes on both.

math,correction plz
can someone correct my math...thanks... Perform the indicated multiplication. Then simplify each radical expression. Problem#4 radical(13) times radical (5) My answer: radical (15) Problem #28 radical (7) (2radical(3)+3radical(7)) MY answer: 2radical(21) + 21 No on first one. ...

English
Thank you very much for your corrections! I just wanted to know if I should evaluate these collocations as mistakes. I included some of the corrections myself. 1) Women had to provide an education to children. (Correction: provide someone with...) 2) Respectability consisted ...

plz plz help me belive me have tried
cosx+cosy=a and sinx+siny=b show that sin2x+sin2y=2ab(1-(2/(a^2+b^2)) plz plz show step

math plz help ;-;
What is the y-coordinate of the y-intercept of the linear equation 2x - 3y = 12? Plz help I don't understand how to do this can you show me step by step plz, sorry ;-;

Tips Plz
Can you plz tell me some studying tips for math. How can i study math? is not like the other subject that i can just read through and memorize it. Math is hard to study because i know know how to study math when i have a upcoming test. Plz give me tips on how to study math and...

math, correction,plz
Can someone correct these for me..plz... Problem #1 simplify. ((p^5)^4)/(p^6) MY answer: p^14 Problem #2 Write using positive exponents only. b^-6 MY answer: (1)/(b^6) Problem#3 Write 1.81 X 10^-2 in standard notation My answer. 0.0181 Problem #4 Subtract 2x-3x^2+5x^3 from 5x^...

Geometry i need help urgently plz plz plz
The lenght of a line segement is of 10units and the co-ordinate of one end point are (2,-3) if the abscissa of the other end is 10 find the ordinate of the other end?? Working plz plz

calculus help me plz too hard show step
charge Q coulombs at time t seconds is given by the differential equation RdQ/dt+Q/C=0, where c is the capacitance in farafd and R the resistance in ohms.solve the equation for Q given that Q=Qo where t=0 plz show step plz plz plz

math
You want to cover a trapezoidal box with paper. You have a sheet of paper that is 1m by 500cm. What is the size box that can be made with minimal wastage? plz plz plz help me with this.. i don't understand how to do this

MATH
BACKPACKING ASLO HAS ITS BASIC FOUR,THESE BEING IN IMPORTANCE,HIKING SHOES,THE BACKPACK,SLEEPING GEAR,AND SHELTER. WHAT CORRECTION SHOULD BE MADE TO THIS SENTENCE? A)change being to are b)change its to it's c)change the colon to a semicolon d)no correction is necessary e)...

math
A water balloon is shot into the air so that its height h, in metres, after t seconds is h = —4.9t^2 + 27t + 2.4 a)How high is the balloon after 1 s? b)For how long is the balloon more than 30 m high? c)What is the maximum height reached by the balloon? d)When will the ...

maths plz
∫√(x²+1)/(x+1)dx plz show step i know it messy plz i really need it

English
As you advised me to do, I included four sentences I was most doubtful a) 1) The daffodils grow best under the shine of trees (correction: in the shade, under the trees) 2) Time is perceived subjectively / as subjective (both possible). 3) Drunk men (correction: drunken men, ...

pscychology
Could someone pretty plz plz plz help me...What are the 2 biggest parts of the human brain??

enlgish
today hikers prefer a shoe that is six feet high,is amde of leather,and thick sturdy soles. what correction should be made to this sentence? a)insert has before thick b)no correction is necessary

SCIENCE!!--ANONYMOUS PLEASE ANSWER MY QUESTION!
plz answer the question we were talking about plz plz. Go back to the problem. I got 184 but the worksheet answer says 136 which is correct?? plz help!! thx

math,correction,plz
Solve each of the following quadratic equations by completing the square. Problem#22 sect. 10.2 x^2-6x-3=0 My answer I keep getting two different answers : I get these two everytime i do it differently. I get : x= 3 +- radical(12) or x = 3+-2radical(3) Problem #28 sect10.2 2x^...

English
I really hope someone can tell me if my corrections are correct. As you can see, I took your advice and I corrected them myself! 1) The pilgrims arrived from different parts of society. Correction: The pigrims belong to different social classes. 2) The tales were never ...

Maths plz help
X^x+y^y=31 x+y=5 plz help i was told to use newton litrate method plz help

social studies idk
how did the automobile negatively impact society???!!!?!?! PLZ help me I have been on it since morning plz pretty plz cherry on top help me

math,correction
Can someone help me with these...plz Simplify 2radical (12) + 4 radical (27) if i simplify radical (12) i get 2radical (3) then if i simplify radical (27) i get 3radical (3). so now i don't know if i'm doing this correctly or how to set it up... 2 sqrt 12 + 4 sqrt 27 4 sqrt 3...

physics!! plz answer me!
A 0.15 kg baseball moving at +26 m/s is slowed to a stop by a catcher who exerts a constant force of -390 N. How long does it take this force to stop the ball? How far does the ball travel before stopping? plz plz plz help!!

maths
plz i cerious need help i posted dis qustion bt due 2 my wrong typing it was nt anser plz here it is:x^4+3x-2/(x^2+1)=Ax+B/(x^2+1)+Cx+D/(x^2+1)^2+(Ex+F)/(x^2+1)^3+G/(x-4)+(Hx+1)/(x-4)^2.find ABCDEFGH? plz it a partial fraction thank yo u and Godbless u

chem
stilll didn't get it .. .. can u plz explain in detail ... how did u get the answer.. plz plz plz plz plzp l zp thnks Bond enthalpy is the energy required to break a mole of a certain type of bond. O=O = 495 kj/mol S-F = 327 kj/mol S=O = 523 kj/mol Use average bond enthalpies ...

math
in the given figure,QRSis a straight angle.If a=2c,c=2b,b=d/3,what is the value of d?plz help me plz

Math plz help
Which rational number is equivalent to 3.90 with the .90 repeating? A. 3/90 B. 39/10 C. 35/9 D. 43/11 EXPLAIN PLZ

maths
sir steve plz am a little confuse (x-y)³=A(x+y) prove that (2x+y)dy/dx=x+2y if y is a function of x and x=e^t/(e^t+1) show that dy/dt=x(1-x)dy/dx plz explain to me very well sir damon answered that but i still dont get it If u want me to show my work i will do it sir plz plz ...

Math
Plz cud sombdy show me long division method of x^4/(x-1)(x^2+1)???? Plz note (x-1)(x^2+1) is in the denominator.

Math
Plz cud sombdy show me long division method of x^4/(x-1)(x^2+1)???? Plz note (x-1)(x^2+1) is in the denominator.

Math
Plz cud sombdy show me long division method of x^4/(x-1)(x^2+1)???? Plz note (x-1)(x^2+1) is in the denominator.

math need help plz
1/3+(-5/6)+(-1/2) can u help me solve this plz by using steps. thank u

Ethics
please check my answer thanks :) Dr. Jones made an mistake is on of the medical records Three years later Nurse Bonnie noticed the mistake and corrected it This was an improper action because A. Too much time passed B The doctor did not make the correction C. The correction ...

English
What correction should be made to this sentence? At the same time many families having greater income can take basic shelter for granted and proceed to satisfy higher level needs in housing. A)change can to must B)insert a comma after granted C)no correction is necessary

math
Ms.plz i have school tomorrow plz.its my H.W.

Ms.Sue (ONLY)
can you plz help me in science? PLZ HELP ME! YOU HELP ALL THE TIME! *begs* plz help! i am my knees!!!!! (really i am!) its called "science 8th grade"

grade 10 history
I have a SUPER HUGE project due called National History day and need lots of help with it, plz plz plz help!!!!!

Plz,plz help!
Can you help me write: real-world scenario in which you would write an inequality rather than an equation? Plz, I really need help! :D

maths sir steve plz reiny plz sir damon plz help
express 1.1 in surd form pllllllz step

English
I agree with your correction but as I found the following sentence in an Italian book I just wanted to know if, in your opinion, an English mother-tongue expert could have written it. She is such a one-sided character, however, as (?) never to hesitate. Correction ......, that...

math miss.sue can u plz check me answers plz
which of the following appears to be an irrational number? A. 3.7272727272... B. the root of 64 C. -6/25 D. 0.73303330...

Calculus i need help plz plz
Integrate:Sinxcosx/a^2cos^2(x)+b^2sin^2(x))dx??? plz i need the full working too hard for me

maths sir steve plz reiny plz sir damon plz help
express 1.1 in surd form pllllllz

Calculus i need help plz plz
If y=ws^3/d^4 find the % increase in 'y' when 'w' increases by 2% and 's' decreases by 3% and 'd' increasee by 1%...... There a little error in the first question i post here it is plz i need the working and explanation

MATH MID TERM TOMM PPL PLZ HELP
how do u draw an asymtote ? diff btwn set and interval notation? and example plz

math,correction
Can someone correct these for me plz... Problem#6 Factor. x(x-5)-2(x-5) My answer is: (x-2)(x-5) Problem#7 Factor completely. x^2-x-6 My answer is: (x+2)(x-3) Problem#8 Factor completely. 35x^2+40x+5 My answer is: (7x+1)(5x+5) Problem #9 Factor by grouping. x^3-5x^2+2x-10 MY ...

Statistics
A conservative correction method for inflated "Alpha values" based on multiple comparisons being carried out independently on a specific data set, is known as...? A. Ad Hoc Testing B. Tukey's honestly significan differences (HSD) C. Post Hoc testing D. Bonferroni correction

calculus too hard
the velocity of a chemical reaction is given by dx/dx=k(a-x) where x is the amount transfered in time t,k is a constant and a is the condition at time t=0 when c=0 solve the equation and determine x in terms of t? Plz show work plz plz

math, correction plz
Can someone correct these for me.PLZ Problem#1 Directions solve equation ãx+4 = 3 My answer: x = 5 Probelm #2 Directions solve equation ã(4x+1) + 3 = 0 My answer x = 2 Problem #3 Directions solve equation ã(2y+7)+4=y My answer y= 1 and y = 9 the symbol a is a radical ...

ingqayizivele high
Am doing math lit ,geography,history n life sciences I dnt knw which career to choice can u plz help me .cal m 4 help on 0625113520 plz

Math
F(x)=x^2-2x-3 plz help me slove this ? HELP ME I DO NOT UNDERSTAND THIS HELP ME PLZ

Math -algebra (check plz)
ok say i was trying to find y in this equation 2x + 3y + 6z =4392. I was given x=3789-1.5y , and z = -531. so i did the working and ended up with 7578-3y+3y=7578 . If i do the math correctly ill end up with 0y = 7578 :S im pretty confused, can someone clarify if that would be ...

math,correction,plz
Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression. Problem #54 (6-radical(20))/(2) My answer: 3-radical(5) Problem #50 Find the area of the rectangle shown in the figure. width = radical (3) + radical (5) Length = ...

math,correction,plz
Can someone who has a few minutes could you please correct this for me.thank you. Directions: Find the x-intercepts of y= x^2+x-6 My answer: there are two x-intercepts ( (1-sqrt25)/(2),0) and ((1+sqrt25)/(2),0 x^2+x-6= (x+3)(x-2) how did you get those roots? i am trying to ...

english
families with limited means are most interested in securing clean,safe, and reasonably comfortable housing than to find quaters that are especially psycholocially stimulating. what correction ahould be made to this sentence? a)change ths spelling of psychologically to ...

math,correction,plz
Evaluate (15-5)/[((12)/(2*2))-2] my answer that i keep getting is 1 am i even correct or completely wrong The ans is 10 see i had that for the answer but when i revised the rule for order of operations. it says to divide first then multiply left to right and that's whats ...

language
First, you should study the openings posted in the local newspapers-subscribe to all of them if possible, or read it at the public library. what correction should be made? a)replace you with one b)replace you with they c)insert a comma after openings d)replace it with them e)...

writting skills
what correction should be made to this sentence? one of the lifelong memories many of us share are the moment we obtained a driver's license? a)change the spelling of memoreis to memorys b)inset a comma after memories c)change are to is d)change driver's to drivers e)no ...

Physics plz
Do any teacher here have an email plz becouse I want to send some pictures for question ,,, physics plz or how can I attach picture here ????

Function plz help!!!
If a function u(x,y)=arctan(y/x) deduce the laplace equation of the function. plz show working i don't no where to start from...plz thanks

English
I did some of the corrections myself (in parentheses). Could you please check them? 1) I like doing (making/baking) cakes and reading, but I don't have time to do this (though I can't find time for reading???). 2) I've got a quite oval face. I'm friendly and always smily (...

behavior problems (dogs)
Please check my answer thanks The problem with "quick fix" corrections designed to eliminate one specific behavior is that the A. dog may not respond to the correction. B. dog may be frightened by the correction. C. owner may be unable to utilize the technique at home. D. ...

Math PLZ help gtg to bed i need right NOW!!
What is the answer to 10 5/12 divided by 1 3/5???????? plz help me i have to go to bed like in 1 min. thanx

math plz help ;-;
Solve the following equation: -2(x-3)+4=8x-20 please help me how to do this step by step plz i do understand how to do this, sorry ;-; And thank you for the ones the helped me with the other Q :D

Math
Least to greatest Plz help me ....o.o101-0.100-0.110-0.0011 Plz help me to find a least to greTesT.

HELP PLZ MATH
There are 12 ducks and 15 geese swimming in a pool. What is the ratio to geese to total birds at the pond? A) 12:27 B) 27:12 C) 15:27 D) 27:15 Plz help

math plz help ;-;
What is the equation of the line containing the two points (-4, 8) and (1, -7)? a.y=-3x b.y=3x+4 c.-3y=x-4 d.y=-3x-4 plz check if my answer is correct. My answer is c ^^;

math
Tim wants his mean (average) quiz score in history class to be 90. His first 3 quiz scores were 86, 92, and 94. What score should he make on the 4th quiz in order to have a mean (average) quiz score of exactly 90? I really need the answer ! PLZ PLZ PLZ ! cant figure it outtt...

math plz
Write the following as a number: three billion, fifty three thousand, twenty one dollars. (plz answer this)

math plz help ;-;
1. Solve the system by any method: 2x-5y=-1 2x-y=1 How many solutions does the system of equations below have? Explain your answer. y=3/5x-1 y=6/10x+3 plz help me ;-; i don't understand how to do this, sorry ;-;

Health
2. When the uterus extends outside the vagina, a condition known as ______ exists. A. dysplasia B. hyperplasia C. Bartholin's gland abscess D. prolapse Answer: A (correction D) 3. The patient had a diagnosis of Addison's disease, which is caused by decreased functioning of the...

Math,correction Plz
Can someone correct these for me please. Problem #68 Science and medicine. Find the time required for an object to fall to the ground from a building that is 1400 ft high. Using the formula t=(1)/(4)radical(s). My answer: 9 minutes and 35 sec. Problem #2 Use Property 1 to ...

Chemistry chlorine plz help
A metal x forms two different chloride.if 12.g of chloride A and 16.3g of chloride B contain 7.1g and 10.7g of chlorine respectively,show that the figure agree with the laws of multiple proportions.write there formulea plz i need the work....no hint plz

math,correction
Factor 9x(x-7y)-6(x-7y) My answer is: (9x-6)(x-7y) well done

math plz help!!!!!!!
which ratios form a proportion? A) 4/5 , 20/25 B) 8/12 , 18/24 C) 1/3 , 7/24 D) 2/5 , 6/16 which ratio forms a proportion with 9/15? A)3/6 B)2/3 C)12/30 D)6/10##### which proportion has cross products of 5 x 24 and 8 x 15? A)5/8=15/24 B)5/24=8/15 C)8/24=15/5#### D)15/8=5/24 ...

math help!
(2-√2)/(3+√2) can you plz tell me how to solve it? plz hurry up

language
Lets say that two drivers are involved in an auto accident, and one is injured. what correction should be made? 1)chnage Lets to Let's 2)insert a comma after say 3)remove the comma after accident 4)change is to was 5)no correction im going to say 1

english
When you are in school, almost any Subject seems a potential area for a good job. what correction should be made in this sentence? 1)replace you are with one is 2)remove the comma after school 3)change Subject to subject 4)insert a comma after area 5)no correction necessary

writing
When you are in school, almost any Subject seems a potential area for a good job. what correction should be made in this sentence? 1)replace you are with one is 2)remove the comma after school 3)change Subject to subject 4)insert a comma after area 5)no correction necessary

writing skills
Sentence 5: Consider an example in which both drivers are insured under the no-fault plan. what correction should be made to this sentence ? 1. insert a comma after example 2. change drivers to driver 3. change are to is 4. change insured to insuring 5. no correction is ...

WRITING SKILLS
When you are in school, almost any subject seems a potential area for a good job. What correction should be made to this sentence? 1 replace your are with one is 2 remove the comma after school 3 change Subject to subject 4 insert a comma after area 5 no correction is necessary

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