Archive day

March 19, 2026

1,259 public questions were asked on this day.

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In 5 hours the Acela Express, the fastest train in North America, traveled 775 miles. How far did it travel in 8 hours? (1 point) 484.375 miles 1,240 miles 19.375 miles 31,000 mile
Asked by noah 1 answer
Use the following formula to find the efficiency of energy transfer between the harbor seal (2,500 Kcal) and a polar bear (375 Kcal). (Energy level transfered to next level)/(Total energy input) × 100 (1 point) 10% 15% 1...
Asked by Alto saxaphone 1 answer
Find the cosine of ∠T. 36 77 T S U Simplify your answer and write it as a proper fraction, improper fraction, or whole number. cos(T)=
Asked by o 1 answer
Grace ran a 26-mile marathon in 4 hours. How far did Grace run in 1.5 hours? (1 point) 69.33 miles 9.75 miles 156 miles 4.33 miles
Asked by noah 1 answer
In 10 seconds, the surface of the earth at the equator has moved 4,600 meters. How far has the surface moved in 150 seconds? (1 point) 6,900,000 meters 69,000 meters 306.67 meters 3.07 meters
Asked by noah 1 answer
Brian can read 80 pages in 2 hours. How many pages can he read in 3.5 hours? (1 point) 560 pages 11.43 pages 45.71 pages 140 pages
Asked by noah 1 answer
Read the following statements about various species of plants and animals. Based on these statements, which one would most likely be classified as an invasive species, and not just a non-native species, in the United Sta...
Asked by Alto saxaphone 1 answer
Volunteers put together 40 school-supply kits in 8 minutes. At this rate, how many could they put together in 30 minutes? Solve this problem using a unit rate. (1 point) 9,600 school-supply kits 10.67 school-supply kits...
Asked by noah 1 answer
Find the cosine of ∠R. 6 8 R S T Simplify your answer and write it as a proper fraction, improper fraction, or whole number. cos(R)=
Asked by o 1 answer
Find the sine of ∠Q. 33 65 Q R S Simplify your answer and write it as a proper fraction, improper fraction, or whole number. sin(Q)=
Asked by o 1 answer
Why is there less biomass at the top of the energy pyramid?(1 point) Secondary and tertiary consumers are larger, so there are fewer of them. Secondary and tertiary consumers live longer, so there are fewer of them becau...
Asked by Alto saxaphone 1 answer
When a consumer eats a producer, 10 percent of the producer’s energy is passed on to the consumer trophic level. What happens to the other 90 percent?(1 point) It is added back to the soil by decomposers. It is consumed...
Asked by Alto saxaphone 1 answer
Find the sine of ∠C. 32 60 68 C A B Simplify your answer and write it as a proper fraction, improper fraction, or whole number. sin(C)=
Asked by o 1 answer
Find the sine of ∠Q. 39 80 89 Q S R Simplify your answer and write it as a proper fraction, improper fraction, or whole number. sin(Q)=
Asked by o 1 answer
Find the tangent of ∠I. 5 12 13 I H J Simplify your answer and write it as a proper fraction, improper fraction, or whole number. tan(I)=
Asked by o 1 answer
Find the cosine of ∠U. 20 48 52 U S T Simplify your answer and write it as a proper fraction, improper fraction, or whole number. cos(U)=
Asked by o 1 answer
Find the tangent of ∠U. 24 70 74 U V W Simplify your answer and write it as a proper fraction, improper fraction, or whole number. tan(U)=
Asked by o 1 answer
Find the cosine of ∠I. 10 24 26 I K J Simplify your answer and write it as a proper fraction, improper fraction, or whole number. cos(I)=
Asked by o 1 answer
Find the tangent of ∠S. 3 4 5 S T U Simplify your answer and write it as a proper fraction, improper fraction, or whole number. tan(S)=
Asked by o 1 answer
In a paragraph of 3–5 sentences, describe how everyday Americans and the U.S. government responded to the attack on Pearl Harbor
Asked by anon 1 answer
In a paragraph of 3–5 sentences, describe the causes of the Korean War.
Asked by anon 1 answer
what makes up the lithosphere
Asked by big gieger 1 answer
why is the middle east alway such a hot bed of wars
Asked by jane doe 1 answer
10. What is digital footprint?(1 point) a measure of website loading speed physical damage to digital devices the trail of online activity users leave behind computer storage capacity 11. How does media affect cultural i...
Asked by gogogo 1 answer
What support did women receive from the government during the war?(1 point)The military created schools to train nurses so women could join the military.Eleanor Roosevelt convinced leaders of the Manhattan Project to hir...
Asked by anon 1 answer