geometry
sodium has a body-centered cubic structure with a unit cell that is 430 picometers wide. estimate the radius of a sodium atom. please help me, I don't know how to get the solution. THank you
math
The following numbers can be represented as 8-bit numbers in the binary representation.Which of these has a ‘1’ in the second place from the right in the binary representation? A. 171 B. 185 C. 214 D. A and C
statistics
considering that a research can test at the <p=.05(95%), p=.001 (99.9%) level for statistical significance, how would you use these 3 levels in relationship to risk to patients in implementing the decision of your research?
college biology
1/4 A 1/4 B 1/4AB 1/4 O
math
Assume the $8,000 Treasury bill, 1.75% for 50 weeks. Calculate the effective rate of interest.
physics
A certain elevator cab has a total run of 204 m and a maximum speed is 321 m/min, and it accelerates from rest and then back to rest at 1.21 m/s2. (a) How far does the cab move while accelerating to full speed from rest? (b) How long does it take to make the nonstop 204 m run,...
chemistry
A 10.0 ml diluted chloride sample required 44.89 ml of 0.01982 M AgNO3 to reach the Fajans end point. how many moles of Cl- ions were present in the sample? What was the concentration of chloride in the diluted solution?
algebra
A total of $12,000 is invested in two funds paying 9% and 11% simple interest. If the yearly interest is $1,180, how much of the $12,000 is invested at each rate? We have two unknowns: the amount of money invested at 9% and the amount of money invested at 11%. Sentence (1) ...
math
Facebook is becoming a social superpower with 126 million registered members who log in at least once daily. They share 1.6 billion photos and 10.6 million videos each month. What is the average number of photos and videos that each active member posts? Round to the nearest t...
Calculus
Suppose f(x) is a differentiable function with f(-1)=2 and f(2)=-1. The differentiable function g(x) is defined by the formula g(x)=f(f(x))' A. Compute g(-1) and g(2). Explain why g(x)=0 must have at least one solution A between -1 and 2. B. Compute g'(-1) and g'(2...
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