What is 1 + 2 + 3 + ....... + 99 + 100 equal to? Also what is a quick ...
2017年8月23日 · What is 1 + 2 + 3 + ..... + 99 + 100 equal to? Precalculus. 1 Answer
How do you convert 1.2 into a percent and fraction? - Socratic
2016年5月13日 · 1.2 = 120% 1.2= 6/5 Converting any number to percent requires multiplying that number by 100. Hence 1.2 would be 120% A decimal number can be converted to a fraction by simplifying the decimal. Like, 1.2 means 12/10 or 6/5
How do you solve 4(x+1)^2=100? - Socratic
2016年8月1日 · The key to this problem is the fact that for a given number #a in RR#, you have. #a^2 = a * a" "# and #" "a^2 = (-a) * (-a)#
How do you convert 1/2 into a decimal and percent? - Socratic
2018年4月10日 · For multiply or divide on a fraction what we do to the bottom we also do to the top. 50/100 = (50-:100)/(100-:100) =0.5/1=0.5 Algebra Science
How do you factor 1 - 100x^2? | Socratic
2015年12月29日 · Use difference of squares to factorize this. The method is given below. Difference of squares a^2 - b^2 = (a-b)(a+b) Now let us take up our problem 1 - 100x^2 Ask can we write this expression in a^2-b^2 form. 1 is same as 1^2 100 can be written as 10^2 So, we have 1 - 100x^2 as 1^2-10^2x^2 If 10^2x^2 is putting you off, it is nothing but (10x)^2 Rule (a^mb^m) = (ab)^m Now our expression ...
37 1/2% is equal to what fraction? - Socratic
2018年2月24日 · A percent is a value given out of #100# #37 1/2% = 37.5%# As a fraction: # 37.5/100# To simplify multiply by #10/10# to get rid of the decimal. #37.5/100 xx 10/10 =375/1000# Simplify by dividing by the HCF which is #125# #(375 div 125)/(1000 div 125) = 3/8#
Prove by Mathematical Induction 1/1.2+1/2.3+...+1/(n(n+1))=n
2017年6月22日 · Please see below. Induction method is used to prove a statement. Most commonly, it is used to prove a statement, involving, say n where n represents the set of all natural numbers. Induction method involves two steps, One, that the statement is true for n=1 and say n=2. Two, we assume that it is true for n=k and prove that if it is true for n=k, then it is also true for n=k+1. First Step - Now ...
How do you solve (x-3)^2+(y-5)^2=25 and x^2+(y-1)^2=100
2015年8月8日 · Expand the squares for the 2 equations for circles, subtract to get a linear equation, substitute back into one of the circle equations: #color(white)("XXXX")# #(x,y) = (6,9)# Explanation:
How do you find 1/2% of 600? - Socratic
2016年9月19日 · An amount of #1/2% # often confuses students and they are not sure what it means or how to calculate the fraction of a percent. In addition to the other answers provided, consider this.. Let's find #1% # of 600 first. #1/100 xx 600 = 6# #1/2% " is half of " 1 %" "# (which we already know is 6) Therefore #1/2 xx 6 = 3# ~~~~~ OR... use #1/2 = 0.5 ...
How do you calculate dilution factor? + Example - Socratic
2014年3月22日 · The dilution factor is often used as the denominator of a fraction. For example, a "DF" of 100 means a 1:100 dilution. EXAMPLE 2: How would you make 500 mL of a 1:250 dilution? Solution: "DF" = V_f/V_i V_i = V_f/("DF") ="500 mL"/250 = "2.00 mL" Pipet 2.00 mL of your stock solution into a 500 mL volumetric flask.