Questions in Grade High-school

Questions in Grade High-school

[Done] Which summation is equal to the following? [tex]$\sum_{n=37}^{75} 3 n^2$[/tex] A. [tex]$3 \sum_{n=37}^{75} n^2$[/tex] B. [tex]$3 n \sum_{n=37}^{75} n$[/tex] C. [tex]$\sum_{n=37}^{75} 3+\sum_{n=37}^{75} n^2$[/tex] Which is equivalent to the following? D. [tex]$3 \sum_{n=37}^{75} n^2$[/tex] E. [tex]$3\left[\sum_{n=1}^{75} n^2-\sum_{n=1}^{37} n^2\right]$[/tex] F. [tex]$3\left[\sum_{n=37}^{75} n^2-\sum_{n=1}^{36} n^2\right]$[/tex] G. [tex]$3\left[\sum_{n=1}^{75} n^2\right]-\sum_{n=1}^{36} n^2$[/tex] H. [tex]$3\left[\sum_{n=1}^{75} n^2-\sum_{n=1}^{36} n^2\right]$[/tex]

[Done] Convert the following expression to exponential form: [tex]$\sqrt[11]{b^2}$[/tex]

[Done] Find the simplified product: [tex]\sqrt[3]{9 x^4} \cdot \sqrt[3]{3 x^8}[/tex]

[Done] For a standard normal distribution, find: [tex]$P(0.66\ \textless \ z\ \textless \ 1.84)$[/tex] Express the probability as a decimal rounded to 4 decimal places.

[Done] The formula that relates the length of a ladder, [tex]$L$[/tex], that leans against a wall with distance [tex]$d$[/tex] from the base of the wall and the height [tex]$h$[/tex] that the ladder reaches up the wall is [tex]$L=\sqrt{d^2+h^2}$[/tex]. What height on the wall will a 15-foot ladder reach if it is placed 3.5 feet from the base of a wall? A. 11.5 feet B. 13.1 feet C. 14.6 feet D. 15.4 feet

[Done] \frac{36-\sqrt{36}}{\sqrt{36}}

[Done] "Man did not weave the web of life. He is merely a strand in it. Whatever he does to the web, he does to himself."\n\n1. What is the message that Chief Seattle wanted to convey?\n\n2. Do you agree that we are just merely a strand in the web?\n\n3. Why do we need to care for the environment?

[Done] State any two effects of stereotype?

[Done] 11. I fly. I will bring earplugs. (the next time) 12. I will text you. We land. (as soon as) 13. I get my bags. I will meet you in the passenger-loading zone. (just as soon as) 14. I flew this airline. My bags were lost. (the first time) 15. I will be happy to stretch my legs. We get off the plane. (once) 16. We land. We will have been on the plane for ten hours. (by the time)

[Done] Performance management is concerned with: A) Improving employee performance B) Reducing costs C) Marketing strategies D) Financial investments