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MATH TRIGO-PLSSS ANSWER CLEARLY COZ IM VERY LOW IN

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MATH TRIGO-PLSSS ANSWER CLEARLY COZ IM VERY LOW IN
A TOWER AND A MONUMENT STAND ON A LEVEL PLANE.THE ANGLES OF DEPRESSION OF THE TOP AND BOTTOM OF THE MONUMENT VIEWED FROM THE TOP OF THE TOWER ARE 13DEGREE AND 31 DEGREE,RESPECTIVELY;THE HEIGHT OF THE TOWER IS 145 FT. FIND THE HEIGHT OF THE MONUMENT.

Chemistry
Which of the following indicates the exsistence of stron intermolecular forces of attraction in a liquid? a very low boiling point a very low vapor pressure a very low critical pressure a very low viscosity a very low heat of vaporization

math help plsss plsss
Decide which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring. −b b^2 − 4ac 2a Use the part of the quadratic formula that you chose above and find its value, given the following quadratic equation: 4x^2 + 6x + 2 = 0

Math
The low temperature for 6 consecutive days in a city were 9, 3, 4, 16, 11 and 5. What would the low temperature have to be on the seventh day to have a mean low temperature of 6 for the week? The answer is -6. How do you get that answer?

math
how to solve a quadratic equation in one variable ? plsss

trigo
Can i have a solution on how i can derive on this answer 4cos^3x - 3 cos x.....please..

Chemistry
Currently the removal of CO2 is too low and it has been proposed to change the deep well aeration with a co-current tower aerator. select the advantages of using deep well aeration from the below: Very high O₂ transfer within an exceptionally small space Very good ...

Probability
Roll 3 dice. What is the probability of getting a sum of: A) sum of 7: 15/216 B) sum of 8: 21/216 C) sum of 11: 27/216 D) sum of 12: 25/216 Are these correct? How many ways are there to choose 3 numbers ranging from 1 to 6 such that the sum is N? Consider the function: F(X) = ...

science
Which of the following best describes plasma? A) a group of super cooled particles with very low kinetic energy B) an ionized group of particles with low kinetic energy C) a gas that becomes a solid without first becoming a liquid D)an electrically charged gas with very high ...

statistics
Needing some help to clarify this problem and help finding the right answer. _b___ 2. Which of the following accurately describes the critical region? a. outcomes with a very low probability if the null hypothesis is true b. outcomes with a high probability if the null ...

Trigo!
Ok, i did this maths trigo question, that says sinx-cos=2/3. I squared it on both sides to get sin2x=5/9 and did the sum. In the end i got two solutions, 16.9 and 73.1. However, when i substituted the answers back into the equation, only one of the 2 answers was correct! The ...

business in mathematics
step by step solving plsss im very law in math so plss to solve step by step thanks.On August 1,1990, Mr.Talamos borrows 9,500 pesos and agrees to pay the compounded amont on the day he pays the debt. If interest is at the rate of 5 1/2% compounded quarterly, how much must Mr...

Math
 The height of a plant after each of the first three weeks was 7mm, 20mm, and 33mm, respectively. If this pattern of growth continues, in what week will the plant be more than 100mm tall?  The answer is 9 weeks.  This is what I did, and it's clearly wrong:  tn = 7 + (n-1)...

Math
 The height of a plant after each of the first three weeks was 7mm, 20mm, and 33mm, respectively. If this pattern of growth continues, in what week will the plant be more than 100mm tall?  The answer is 9 weeks.  This is what I did, and it's clearly wrong:  tn = 7 + (n-1)...

math
if a fair coin is tossed 3 times, what is the probability of getting 3 tails? 1 1/3 2 3/3 3 3/8 4 1/8 is it 3/3.... coz all 3 could be tail also ....am i right?

grade 10
guys I don't know what career i can do coz I chose math literary - business studies-geography- tourism so if you can help mi plz guyz

physics
rare element very low carbon are composed of symmetrical triangle that have very much, and which are closely linked in the mirror and solid form what can ...

Math trigo
Tan 660'

Chemistry
At very low temperatures the carrier concentration in one of these materials appears to diminish very rapidly. Why is this? Please choose the option that BEST describes this phenomenon.

English
Well, can you walk my dog? You can take her to the park. Answer 1. No problem, but I'm very busy today. Answer 2. Sure, I will, but I'm very busy today. Answer 3. Don't worry, but I'm very busy today. Answer 4. I think I can, but I'm very busy today. Answer 5. I'd like to, but...

Math
It is kind of logic question that deals with math. A Contractor needs 54 square feet of bricks to construct a rectangular walkway. What does that mean? Please explain very clearly.

Chemistry HELP
Not all enzymes have an optimum temp of around 40 degrees celcius. Find out where reactions involving enzymes: would take place at very high temperatures would take place at very low temperatures i've tried looking on the internet, but I get a lot of results on how high and ...

math (trigonometry)
help me solve this coz im stumped secx-secx sin^2x= cosx thanks

Earth Science
10.   Which statement best describes the formation of diamonds?  A. Diamonds form in kimberlites under very low pressure. B. Diamonds form in talc under very low pressure. C. Diamonds form in talc under very high pressure. D. Diamonds form in kimberlites under very ...

calculus pleas pleas help, derivates
what is the derivative of x/tan(x) and find f'(pi/4) f'(x)=(tanx-x*sec(x)^2)/(tanx)^2 That's the quotient rule for derivatives or as my teacher says: Low,low, low D'High, minus High d'low all over low square that's the quotient rule. It's a song which helps. D'High or d'low ...

mathematics of investment
step by step solving plsss im very law in math so plss to solve step by step thanks.On August 1,1990, Mr.Talamos borrows 9,500 pesos and agrees to pay the compounded amont on the day he pays the debt. If interest is at the rate of 5 1/2% compounded quarterly, how much must Mr...

math
find a commission on a $1,250 sale with a commission rate of 5%. $62.50 $6.25 $75.00 $125.00 HELP PLSSS

Math
Transform arctan x + arctan y = pi/4 into algebraic expression A) x+xy-y = 1 B) x-xy-y = 1 C) x+xy+y = 1 D) x-xy+y = 1 Plsss help

chem
A very flexible helium-filled balloon is released from the ground into the air at 20degree C The initial volume of the balloon is 5.00L , and the pressure is 760mmHg. . The balloon ascends to an altitude of 20Km , where the pressure is 76.0mmHg and the temperature is 50degree ...

chem
A very flexible helium-filled balloon is released from the ground into the air at 20degree C The initial volume of the balloon is 5.00L , and the pressure is 760mmHg. . The balloon ascends to an altitude of 20Km , where the pressure is 76.0mmHg and the temperature is -50degree...

math
#1:Which ratios form a proportion? Use equivalent ratios to test each pair. A: 4/9, 2/3 B: 6/15, 9/12 C: 12/16, 15/20 D:18/20, 24/30 explain how o do it plsss

science
Hi,here is a text I saw on the Internet "The membrane is highly permeable to non-polar (fat-soluble) molecules. The permeability of the membrane to polar (water soluble) molecules is very low. The permeability to charged molecular species (ions) is very low. Surely i know cell...

English
1. She spoke in a very loud voice. 2. She spoke in a very high voice. 3. She spoke in a very low voice. 4. She spoke in a very soft voice. 5. She spoke with a very loud voice. ----------------------------------- Does #1 mean #2? Can we use both #3 and #4? What about #5? Can we...

Psychology
Is this the correct answer I said C is the correct answer Jasmine is a college student, who is self-conscious and anxious in social situations and who tends to be a bit too trusting and tender-hearted when it comes to loaning money and clothing to her roommates. She constantly...

math/trigo
A 22 ft flagpole casts a 62 ft shadow. Calculate the angle of elevation to the sun

Math-Trigo
if sinA=-(12/13) and -90<A<0, find without using calcuator, the value of cot(90-A)

Math-Trigo
if sinA=-(12/13) and -90<A<0, find without using calcuator, the value of cot(90-A)

Math
4.The following table shows the high and low temperatures predicted for Dallas during the week beginning Monday, August 29 2011. Which day has the biggest difference between the high and low temperatures? A.Mon D.Tue C.Wed D.Sun Monday High temp 106 Low temp 79 Tuesday High ...

overview of teaching techniques
which of the following statements about asking questions is true? (a)low level questions tend to promote academic achievement in students (b)most teachers in classrooms today ask kigh level questions (c)questions should be worded as clearly and simple as possible (my answer) (...

answer fast plsss
the measures of the2nd angle of a triangle is 20degree more than the complements of the first triangle and the 3rd angle is 4 degree less than half the supplement of the 1st.find the measure of each angle

answer fast plsss
the measures of the2nd angle of a triangle is 20degree more than the complements of the first triangle and the 3rd angle is 4 degree less than half the supplement of the 1st.find the measure of each angle

English
1. What is the temperature in Bangkok? - It is very high./It is low. 2. What is the temperature like in Bangkok? - It is high./ It is low. (Which one is right?)

English
Thank you very much for your correction. Can you tell if this sentence is possible? 1) We really liked those places but unfortunately we didn't have any guide with us even if our brochure clearly said that an an experiences guide would have accompanied us. 2) How long was the ...

physics
earlier in this forum, marina asked the same question as i did. unfortunately, someone did answer, very clearly, but for some reason i remained to be a little lost. Here is the question: A car traveling 90 km/h is 100 m behind a truck traveling 75 km/h. How long will it take ...

economics
Can somone tell me what are the factors that indicate monopoly plsss??? 10x alot :D

trigo
calculate the amount of each annuity of the last deposit.A deposit of $450 at the end of each month period of 5 years at 6.5% compounded semi annually.If you don't have my email how i am going to recerive the answer?

Biology
20. When the blood enters the gill filaments in a fish, its carbon dioxide content is ________ and oxygen content is _____ a. low;high b. low;low c. high;high d. high;low D? I'm not sure about this question... Thanks -MC

Literature
5. All of the following words are archaic except a. coz b. God-den c. halt d. ope I'm stuck between a and d? Thanks -MC

chemistry step by step clearly
10L of hard water required 5.6g of lime for removing hardness. hence temporary hardness in ppm of cac03. The answer 1000ppm I really want all tutors to solve it form clearly step by step. Thank a lot

Math
Hi. So we had a long test with this question.. I was wondering how to solve it? Coz our teacher didn't discuss the answers.. and most probably we'll have the same type of question during midterms.. Find the Solution Set 9/|2-5x| - 4/y^2-3y = 5 2/|2-5x| + 2/ 3(y^2-3y) = 1/3 ...

where?
where can i download microsoft access 2000 for free?? dont ask me to google it, coz ive already done that and found nothing thats why im here to ask right?? thanks

Science
Distinguish between high-quality energy and low-quality energy, and give an example of each. Relate these terms to energy efficiency. Frankly, these terms could mean anything. In my electrical engineering career, high quality energy was a high thermal capability with very low ...

math
-4(2x-3)=-8x+5 Hi Cheryl! The first thing you have to do with this is multiply the -4 into the stuff in the parenthesis. -4*2x = -8x -4*-3 = +12 So the left side is -8x+12 = -8x +5 Now that I'm this far along, we see that there's no real answer to this. If we add -8x to both ...

rational inequality, math
2 6 ___ + ____ < or = - 5 X X - 1 Can some one please clearly show me how to answer this and put the solution in interval notation? You need to find another way to write the inequality more clearly. Try using / for division and parentheses for clarification of operations. ...

Mays Middle
Math-The low temperature for 6 consecutive days in Montana city were 9, 3, 4, 16, 11, and 5 degrees. What would the low temperature have to be on the seventh day to have a meanh low temperature of 9 degrees for the week?

ap history
what was john walthall alleged offense?how might one account for the ferocity of the assault on carter's family walthall? I believe he sleeps with white women but i don't know what he stole. I don't understand the second question. please help me coz i need to submit the answer...

Geography
How would you describe the elevation and relief of the landform shown in the picture? A. High elevation and high relief B. low elevation and high relief C. High elevation and low relief D. Low elevation and low relief. My answer is D

Math - Algebra
Evaluate t - u/v when t = -1, u = -3, and v = 1/2 I am VERY VERY unsure what the answer is. PLEASE HELP!!! I am stuck on this!!!

macroeconomice
Will marginal propensity to spend (d) will be low if, propensity to import (m) is low, marginal propensity to consume (b) is low and tax rate is (t) is low?

WORLD GEOGRAPHY
A LOW-LATITUDES AREA OF VERY LITTLE WIND IS KNOWN AS:

chemitstry
I would like if you guys could answer me this question or give me a website where I cold find the answer. Lead, mercury and plutonium are very harmful elements, but when you cobined them with what do they become harmless? The element with which they must be combined does not ...

check geo.
a low latitiude area of very little wind is known as A)leeward b)weather c)permafrost d)dolddrums my ans is d. places located in high latitiudes have )a mix of extremly hot and extremly cold weather b)a very warm climate my ans is b.

chemistry step by step for me clearly
Al2(s04)3 solution of a molal concentration is present in 1 litre solution of 2.684g/cc. How many moles of bas04 would be precipitated on adding bacl2 in excess. The answer 6M I want some tutors to explain for me step by step clearly. I do not still understand Thank a lot all ...

macroeconomice
Will marginal propensity to spend (d) will be low if, propensity to import (m) is low, marginal propensity to consume (b) is low and tax rate is (t) is low? Take a shot. Do some research, then tell us what you think. hint: think about how each of your factors relates to ...

Math Probability
A new shipment of 9 VCRs, which will be offered at a very low price, are delivered, Unknown to the manager, 4 of the VCRs are defective, Determine the probability that at least 1 of the first three VCRs sold is defective.Did I do this right? 1-5C3/9C3 =88.09% or do I do 1-(5/9...

Trigo
Given that a^2+b^2=2 and that (a/b)= tan(45degee+x), find a and b in terms of sinx and cosx. I don't know what i'm supposed to do, and i don't come to an answer! Help, thanks! my workings: tan(45+x)= (1+tanx)/(1-tanx) a/b = (1+tanx)/(1-tanx) a(1-tanx)=b(1+tanx) i square both ...

TRIGO
Find the minimum value of 9Tan^2x + 4Cot^2x.

translation please?
hope: O.E. hopian "wish, expect, look forward (to something)," of unknown origin, a general Low Ger. word (cf. O.Fris. hopia, M.L.G., M.Du. hopen; M.H.G. hoffen "to hope" was borrowed from Low Ger. Some suggest a connection with hop (v.) on the notion of "leaping in ...

english
i need to rite an english speech but i don't know what to do it on and my confidence levels are very very low somebody please help me. it has to be an aussie icon. Hi Caitlin. When we think of an Australian icon, we think of the Boxing Kangaroo. YOu can find information on ...

physics
Name Two solid materials having very low linear expansivity ?

physics
Name Two solid materials having very low linear expansivity ?

STATISTICS
TRUE OR FALSE? Simple regression cannot be applied when r of two variables is very low.

Chemistry
Titration of an Unknown Acid... What effect on the molar mass of the unknown acid would each of the following have... Would it make the calculated molar mass high, low, or would it have no effect? 1. Adding 5 drops of phenolphthalein instead of 1 drop... Answer: No effect. 2. ...

math
In how many years will rs ninehundred amount to rs one thousand one hundred and seventy at ten percent per annum please help me coz i must submit my homework after one days please help me and thankyou so much jiskha site love u

Physics -- check answers please
1. what is 67 K equivalent to in Celsius? answer: -206.15 C 2. what is 458.9 Celsius in K? answer: 732.05 3. heat is closely related to: a)temperature b)thermal energy c)force d)convection currents answer: b 4. What does a low efficiency score reveal about a home in terms of ...

Physics -- check answers please
1. what is 67 K equivalent to in Celsius? answer: -206.15 C 2. what is 458.9 Celsius in K? answer: 732.05 3. heat is closely related to: a)temperature b)thermal energy c)force d)convection currents answer: b 4. What does a low efficiency score reveal about a home in terms of ...

science
what site can i find some simple investigatory projects? plsss help.... I would use your imagination. What is in your drinking water? What makes a flower cutting root?

BUS 307 Operations management
PLEASE HELP!!! 1. What percent of North American gross domestic product is accounted for by logistics? (Points : 1) almost 11 percent almost 22 percent almost 33 percent almost 44 percent ( 1.Not sure of this Answer) 2. An item that is expensive, complex, and has few qualified...

Math
An insurance company classifies drivers as low-risk, medium-risk and high-risk. Of those insured, 60% are low-risk, 30% are medium-risk and 10% are high-risk. After a study, the company finds that during a 1-year period, 1% of the low-risk drivers had an accident, 5% of the ...

Physical Chemistry
Please help, about real gas deviation from ideal behavior. when we plot graph against P and PV, at 17¡ãC,: for H2, there's straight ascending line. for N2, line a little curved at low P then become ascending straight like H2. for CO2, line curved, very descending at low P, ...

chemistry
Explain very clearly why a mole of hydrogen chloride depresses the freezing point of 1.0kg of water by almost twice as much as a mole of ethanol.

trigo
what is the basic way to study this topic??i mean trigonometery......it's kinda difficult

trigo
A 50 m tree casts a shadow of 60 m . Find the sun's angle of elevation at that time.

Math
The lesson that I am working on is called mathematical induction. The only problem is that the lesson was not explained very clearly due to a problem with the recording so I have no idea how to complete this problem. Find p k+1(This is little under the p) for the given Pk(K is...

science
what is a ph scale? what is a acid? what is alkalis? what acid and alkais can you find around the house? (put pictures to go with this). when u are giving an explanation of what ph scale, acid and alkalis mean plz be as clear as possibe, use understandable low and simple ...

cells
suppose a cell is placed in a large container of water with a very low solute concentration.what do you think will happen?

Research
Heya! Where can I get photos/cartoons on dekulakisation and collectivisation? PLZ don't say google! Coz I'm not allowed to use links straight off it. Still need help with my question, a few questions below this one.

math
on a single day the temperature in alaska dropped from a high of -12 f to a low of -50. what os the difference between the high and low temperatures

help plsss
A bucket contains 8m^3 of water. Using two smaller buckets of 3m^3 and 5m^3 respectively. How will you manipulate accurately so that only 4m^3 is left in d biggest bucket?

Language Arts
The Sky Is Low, the Clouds Are Mean This is the poem The sky is low, the clouds are mean, A traveling flake of snow Across a barn or through a rut Debates if it will go. A narrow wind complains all day How some one treated him; Nature, like us, is sometimes caught Without her ...

chemistry
Suppose that a student performing this experiment recorded the concentration of NaOH solution as 0.513 M, instead of the correct value of 0.531 M. Assuming there were no other errors, would each of the following experimental results be high, low, or unaffected by the error? ...

English
It is very rude of you to behave like that. It is very wise of you to answer the question. It is very stupid of you not to solve the math problems. It is smart of you to solve the math problems. It is careless of you to hit the jar while driving. It is considerate of you to ...

physics ...plzzzz help...
Why is glass transparent to visible light but opaque to ultraviolet or infrared light ?? can anyone give me a detailed explanation for it coz i knw the general thing that because they have different wavelengths.....

maths help plsss
A bucket contains 8m^3 of water. Using two smaller buckets of 3m^3 and 5m^3 respectively. How will you manipulate accurately so that only 4m^3 is left in d biggest bucket?

science
Consider the populationsituation in Germany; very low birth rates, an aging population, and eventual decline in overall numbers.

SCIENCE
why human female egg shows unequal holoblastic cleavage since it has very low amout of yolk present in it.

Pre Algebra
The low temperature for 6 consecutive days in a Montana city were 9°,3°,4°,16°,11°,and 5°. What would the low temperature have to be on the seventh day to have a mean low temperature of 6°for the week?

math(algebra 1)
how do u answer this? please step by step *graph and check to solve the linear system y=-x+3 y=x+1 Thank you very very much!!! :)

please check
1)3/4+x>1 answer:x>1/4 2)10-3x<5 answer:x>5/3 3)|7-x|>2 answer:x>-5 x<-9 4)|x+0.5|=0.25 answer:x=-o.25,-0.75 thank you very very much!!!

trigo
The terminal side of angle θ lies on the line y=-mx for m>0 and x>0.calculate the values of the trigonometric function

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