Questions in Grade High-school

Questions in Grade High-school

[Done] Value of cos 106° is: (1) \(\frac{7}{25}\) (2) \(-\frac{7}{25}\) (3) \(\frac{24}{25}\) (4) \(-\frac{24}{25}\)

[Done] Doroshana, Hemant, and Rupesh got different answers for this problem: 1 - 10 - 3{-10 + 2} - 4 Doroshana's answer was 1, Hemant's answer was -29, and Rupesh's answer was 21. Which student had the correct answer? Show and explain how the other two students got their answers. What errors did they make?

[Done] 1. Put in 'can', 'can't', 'could', 'couldn't', 'may' or 'might'. i. I can't swim. ii. We couldn't get there on time, because the train was delayed. iii. She is amazing. She can speak five languages. iv. The old man looked everywhere for his glasses but he can't find them. v. She is seven years old, but she couldn't read yet. vi. I read the poem three times, but I can't understand it. vii. I might lift this box. It is too heavy! Would you help me? 2. Complete the spellings by putting in missing letters. deng_ue mosquito A_des muscle headac_he pat_ent dis_ase repr_nt sever_e pe_ople tog_ether sur_oundings

[Done] 1. Name 3 organisms that break down their food outside. 2. Breakdown of food inside and breakdown of food outside depends upon and . 3. Name 3 parasites which do not break down food either outside or inside. 4. Describe nutrition of human beings.

[Done] All of these are characteristics of omni-channel retailing apart from which one? A. Information captured in one channel is used to inform operations in other channels B. Consumers can start a transaction in one channel and finish it in another C. There is a consistent pricing strategy D. Sales staff have access to customers' purchasing history across all channels E. Separate inventory pools are used for each sales channel

[Done] Tim explained a function in words and Paul wrote an equation. Tim: The amount of money in a savings account increases at a rate of $225 per month. After eight months, the bank account has $4,580 in it. Paul: [tex]y-1,400=56(x+26)[/tex] Whose function has the smaller [tex]y[/tex]-intercept? A. Tim's with a [tex]y[/tex]-intercept of $2,700 B. Paul's with a [tex]y[/tex]-intercept of $2,856 C. Paul's with a [tex]y[/tex]-intercept of $2,800 D. Tim's with a [tex]y[/tex]-intercept of $2,780

[Done] One reason Hurricane Katrina was so devastating for New Orleans is that A. many people had to be rescued by helicopter. B. no emergency shelters were available. C. people were surprised by the storm. D. many residents had not evacuated.

[Done] Which of the following factors determines the size of an atom? A. the volume of the nucleus B. the volume of space occupied by the electrons of the atom C. the volume of a single electron, multiplied by the number of electrons in the atom D. the total nuclear charge E. the total mass of the electrons surrounding the nucleus

[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] D. [tex]$\sum_{n=37}^{75} 3 \times \sum_{n=37}^{75} n^2$[/tex]

[Done] Fats are: A. provides body and brain with glucose (sugar) vitamins and minerals B. stores vitamins, cushions the body vital organs, insulates the body from temperature, necessary to manufacture sex hormones C. essential for transforming food into energy D. framework to build muscle, bones, hair and tissue repair