Questions in Grade High-school

Questions in Grade High-school

[Done] Write these fractions in words. [tex]$\frac{17}{20}, \frac{31}{50}$[/tex]

[Done] In addition to its use in the military, the _____ was also used on festive occasions to announce that dinner guests needed to sit down at the beginning of a meal and stand up when the dinner was over. A. roman tuba B. cornu C. hydraulis D. buccina

[Done] Miguel has started training for a race. The first time he trains, he runs 0.5 mile. Each subsequent time he trains, he runs 0.2 mile farther than he did the previous time. What arithmetic series represents the total distance Miguel has run after he has trained [tex]$n$[/tex] times? [tex]$\sum_{k=1}^n(-0.3+0.5 k)$[/tex] [tex]$\sum_{k=1}^n(0.2+0.5 k)$[/tex] [tex]$\sum_{k=1}^n(0.3+0.2 k)$[/tex] [tex]$\sum_{k=1}^n(0.5+0.2 k)$[/tex]

[Done] Select the correct answer from each drop-down menu. The simplified form of [tex]$\frac{5 \sqrt{2} \pi-4 \sqrt{2} \pi}{\sqrt{2}}$[/tex] is $\square$ . Its estimated value is $\square$.

[Done] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Done] Which of the following is a statement about weather? A. The weather in Seattle tends to be rainy. B. The tropical rain forest has high annual precipitation. C. The forecast says the temperature will be 80°F tomorrow. D. The sky is overcast with clouds on average 200 days per year.

[Done] How are claims and support related? A. An author will use a claim to back up support. B. An author will use support to back up a claim. C. An author will remove a claim if the support is strong. D. An author will remove support if the claim is strong.

[Done] There are 3 red and 9 blue counters in a box. A counter is chosen and then replaced. If you did this 144 times, how many times would you expect to get a blue counter?

[Done] Which statement contains an error in logic as worded? A. The newscaster said that rabies is on the rise, so an unvaccinated pet is a bad idea. B. The newscaster said that rabies is on the rise, so vaccinating your pet is a very good idea. C. The newscaster said that rabies is on the rise, so failing to vaccinate your pet is a bad idea. D. The newscaster said that rabies is on the rise, so having an unvaccinated pet is a bad idea.

[Done] Which of the following best explains why the diversity of organisms decreases as you move from shallow seas to deep oceans? A. The levels of oxygen in the deep ocean are too high for many organisms to thrive. B. The low temperatures of the deep ocean would freeze most organisms. C. The salinity of the deep ocean is too high for most organisms to live. D. The lack of sunlight in the deep ocean limits the types of organisms that can survive.