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Solving Trig Identities (w/ fractions, poss. work on both sides)

Okay, Im lost and frustrated at this point. I seem to be one, inspiration, or step away from solving these type of equations, but it eludes me. The simpler ones, no prob, but when it comes to the foll

9x^2 + 42x + 49 BEST ANSWER

To factor this perfect square, does anyone know how any factors of 49 can possibly equal the sum of 42? I know the answer is (3x+7)^2.Why does it seems like the 42x was disregarded. Can you solve?-Thi

Word problem...system of equations...BEST answer to first right one

A man works at a factory where 10oz cups of drink cost .95 a 14oz drink costs 1.15 and a 20 oz drink costs 1.50 He served 29 cups of drink using 394 oz of drink while collecting a total of 33.05 How

Solve for Y (proportion)

Can somebody please explain step by step how to solve this proportion? :) My problem Im trying to solve is: 17/y = 9/4 Solve for y. Round to the nearest thousandth. I will choose a best answer so

How to round to 3 decimal places

for 19.8997 to 3 decimal places-19.8997=19.900round to 3 decimal places-Whenever we round, we look at the NEXT decimal place 19.9 --------------------------------------… So if we want 3 decimal place

I need help with math homework please

How do I answer the following problems? I forgot what my teacher taught me. Its spring break at the moment, and I regret not doing these right when I got home from school so it was still fresh in mind

Good tips for memorizing pi

I know I probably cant remember ALL those digits because its infinite but I want to memorize at least 100-200. So far I know this much: 3.1415926535897932384626 I learned that in almost 5 minutes but

Houseplant death probability

You ask a neighbor to water a sickly plant while you are on vacation. Without water the plant will die with probability 0.9. With water it will die with probability 0.5. Any plant that would die with

Determine whether the geometric series is convergent or divergent. If it is convergent, find its sum.

3+0.3+0.03+0.003+... Isnt this converging to 0? If so...its marked wrong by my computer.-The terms converge to zero, but when you see that .... at the end, you also have to look to notice that there

How do you raise a number to the e power? or to the power of pie

Do you mean something like 7^e?In that case, e is just another number.You do 7^e the same way you would do 7^2.71828183. In the same way, 7^pi is the same as 7^3.14159265-If you understand how to do

Help? Simple trigonometry question

If theta is an angle in standard position and its terminal side passes through the point (-3,2) find the exact value if CSC theta?-Radical 2 because on the unit circle a 135 degree angle for sin is ra

Math question with Taylor's remainder estimate !

According to Taylors remainder estimate, the maximum possible error in the use of 4 Σ (x^n) / (n!) n=0 to approximate e^x on the interval [-1,1] is which value?-The error is given by |f (c) x^5/5

If log 5=a then log 250 can be expressed as ?:

options a.2a+1 b.50a c.25a d.10+2a-log(250) = log(25*10) = log(25) + log(10) = log(5^2) + 1 = 2 log(5) + 1 = 2a + 1-just plug it in log 5= about .7 log 250 about 2.4 2a +1 a

Regressing different data

Does it matter if Im regressing data in million units against data in billion units? If I convert the million data into billion data (multiplying by a 1000), would that make any difference to the resu

Is this proportion true or false

2/3 _____8/5 = 1/7_____3/10 (two thirds over 8 fifths equals 1 seventh over 3 tenths). How do I figure this out? (step by step explanation please). I promise I will choose a best answer so you ca
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