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March 2026

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By completing the square, calculate the center and radius of the circle given by the equation 2x2+2y2−10x+4y=8 .(1 point) center: (2.5,−1) ; radius: 11.25−−−−√ center: (5,−2) ; radius: 2 center: (10,−4) ; radius: 4 cente...
Asked by bob 1 answer
The overall charge of the nucleus is A. positive. B. neutral. C. negative. D. sometimes positive and sometimes negative.
Asked by jdjadn 1 answer
The image below shows a protoplanetary disk, which is a spinning disk made up of the gases and dust that surround a recently-formed star. Image courtesy of NASA What does a protoplanetary disk most likely have in common...
Asked by FEWF 1 answer
Which of the following best explains the impact of colonialism on post-colonial Africa?(1 point) Responses Superpowers funded proxy conflicts between socialist and capitalist factions. Superpowers funded proxy conflicts...
Asked by a 1 answer
he diagram below shows a fusion reaction. What is true about the balance of mass in a fusion reaction? A. The mass of the products cannot be measured. B. The mass of the products is equal to the mass of the reactants. C....
Asked by j 1 answer
According to the law of universal gravitation, any two objects are attracted to each other. The strength of the gravitational force depends on the masses of the objects and their distance from each other. Many stars have...
Asked by FEWF 1 answer
A stationary source produces a sound wave at a frequency of 100 Hz. The wave travels at 1125 feet per second. A car is moving toward the sound source at a speed of 100 feet per second. What is the wavelength of the stati...
Asked by :3 [SillyAnonymousCat] 1 answer
Hundreds, even thousands of stars may be easily observed in the night sky. What process produces the light from the stars? A. gravitational waves, released by the high mass of stars B. nuclear fusion, in which atomic nuc...
Asked by j 1 answer
How is it hoped that the African Continental Free Trade Area will increase economic activity and efficiency?(1 point) Responses by restricting Chinese investment in African infrastructure by restricting Chinese investmen...
Asked by a 1 answer
Nucleosynthesis is the process in which nuclei fuse together to form different elements. The table summarizes nucleosynthesis in stars. Life Stage Main Nucleosynthesis Process main sequence Hydrogen is fused into helium....
Asked by FEWF 1 answer
What were 3 goals of President Roosevelt’s NEW DEAL plan? Read p.101 The following are three goals of President Roosevelt New Deal plan meant to get the country back on track: 1. 2. 3.
Asked by ericsson 1 answer
Students should be paired or put into small groups and together they should use the provided word document to select one Regulatory or Advisory Agency from the list. After selecting the agency they will research their we...
Asked by pepe 1 answer
evolution occurs too slowly to be detected, scientists often study numerous stars in different phases of their lives to infer what happens to them over time. One observation that scientists have made is that the initial...
Asked by j 1 answer
Giant stars evolve faster than smaller stars do, and they have a hotter core that creates heavier elements through fusion. When the core collapses in giant stars, due to their own gravity, they explode and violently blow...
Asked by FEWF 1 answer
A person moves away from a stationary sound source. Which phrase describes the sound perceived by the person?(1 point) lower pitch and longer wavelength higher pitch and shorter wavelength higher pitch and longer wavelen...
Asked by :3 [SillyAnonymousCat] 1 answer
Procym A and Procym B are two stars that are both eleven light years away from Earth. However, Procym A appears more than twice as bright as Procym B when viewed from Earth. Why is Procym A brighter? A. Procym A is a dwa...
Asked by j 1 answer
The diagram below shows a fusion reaction. What is true about the balance of mass in a fusion reaction? A. The mass of the products is greater than the mass of the reactants. B. The mass of the products cannot be measure...
Asked by FEWF 1 answer
Which sentence describes an internal conflict? (1 point) A student struggles with self-doubt about their abilities to perform well in an important competition. They must overcome their fear of failure to succeed. Two cow...
Asked by nope 1 answer
The diagram below shows the life cycle of a "typical" star. In which stage will the star be characterized by nuclear reactions that produce all of the major elements on the periodic table up to iron? A. protostar B. main...
Asked by FEWF 1 answer
what is the definiton of physical trade barrier in a short sentence
Asked by dom 1 answer
Which of the following best explains an important impact of globalization on Africa?(1 point) Responses The importation of American films has destroyed local film industries in African countries. The importation of Ameri...
Asked by a 1 answer
Procym A and Procym B are two stars that are both eleven light years away from Earth. However, Procym A appears more than twice as bright as Procym B when viewed from Earth. Why is Procym A brighter? A. Procym A emits mo...
Asked by FEWF 1 answer
Which statements describe the process of scientific inquiry? Check all that apply. Scientific inquiry often involves similar processes and practices. Scientific inquiry is done for different reasons. Scientific inquiry i...
Asked by 67 1 answer
Use the equation and the information in the table to answer the question. CH4 + 2 O2 → CO2 + 2 H2O Atomic Mass (amu) of Hydrogen, Carbon, and Oxygen Element Atomic Mass (amu) hydrogen 1 carbon 12 oxygen 16 In one to two...
Asked by cool boy 1 answer
By completing the square, calculate the center and radius of the circle given by the equation 3x2+3y2−12x+6y+12=0 .(1 point) center: (6,−3) ; radius: 6 center: (12,−6) ; radius: 12 center: (4,−2) ; radius: 4 center: (2,−...
Asked by bob 1 answer