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Which of the following is supportive evidence of the big bang theory? A. pulsars B. cosmic microwave background radiation C. galactic clusters D. the different shapes of galaxies
B. cosmic microwave background radiation
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User: Which of the following is supportive evidence of the big bang theory? A. pulsars B. cosmic microwave background radiation C. galactic clusters D. the different shapes of galaxies

Weegy: B. cosmic microwave background radiation
Narkotiq|Points 337|

User: The mass of a star can be determined by studying A. the wavelength of light emitted by the star. B. the color of the star. C. the distance between the star and Earth. D. binary star systems.





Weegy: The of a star can be determined by D. binary star systems
Expert answered|MrG|Points 3751|

User: According to information received from radio telescopes, where is our sun positioned in the Milky Way? A. at the exact center of the galactic nucleus B. just outside the galactic nucleus C. at the tip of one of the spirals D. within one of the spirals

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Asked 5/2/2013 10:35:44 PM
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Let f(x) = 4x - 5 and g(x) = 6x - 3. Find f(x) - g(x). A. 10x – 8 B. 10x – 2 C. –2x – 8 D. –2x – 2
Weegy: D User: Let f(x) = -2x - 7 and g(x) = -4x + 3. Find (f ° g)(-5). A. 23 B. –53 C. –9 D. 3 Weegy: f(g(x)) = -2(-4x + 3) - 7 - -> f(g(-5)) = -2(-4(-5) + 3) - 7 = -46 - 7 = -53. The answer is B. -53. User: What is the inverse of the given relation? y = 3x + 9 A. y = 1/3x + 3 B. y = 3x - 3 C. y = 3x + 3 D. y = 1/3x - 3 Weegy: The inverse of the given relation y = 3x + 9 is A. y = 1/3x + 3. User: Let f(x) = 3x +2 and g(x) = 7x + 6. Find f • g and its domain. A. 6x2 + 4x + 42; all real numbers except x = -2/3 B. 6x2 + 4x + 42; all real numbers C. 21x2 + 32x + 12; all real numbers D. 21x2 + 32x + 12; all real numbers except x = -6/7 Weegy: f(g(x)) = 3(7x + 6) + 2 User: Let f(x) = 3x +2 and g(x) = 7x + 6. Find f • g and its domain. A. 6x2 + 4x + 42; all real numbers except x = -2/3 B. 6x2 + 4x + 42; all real numbers C. 21x2 + 32x + 12; all real numbers D. 21x2 + 32x + 12; all real numbers except x = -6/7 Weegy: f(g(x)) = 3(7x + 6) + 2 User: Let f(x) = 3x +2 and g(x) = 7x + 6. Find f • g and its domain. A. 6x2 + 4x + 42; all real numbers except x = -2/3 B. 6x2 + 4x + 42; all real numbers C. 21x2 + 32x + 12; all real numbers D. 21x2 + 32x + 12; all real numbers except x = -6/7 Weegy: f(g(x)) = 3(7x + 6) + 2 User: Let f(x) = 4x - 5 and g(x) = 6x - 3. Find f(x) - g(x). A. 10x – 8 B. 10x – 2 C. –2x – 8 D. –2x – 2 Weegy: D User: Let f(x) = 4x - 5 and g(x) = 6x - 3. Find f(x) - g(x). A. 10x – 8 B. 10x – 2 C. –2x – 8 D. –2x – 2 Weegy: Let f(x) = 4x - 5 and g(x) = 6x - 3. Find f(x) - g(x) Answer A. 10x – 8 (More)
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Expert Answered
Updated 147 days ago|5/27/2014 8:44:21 PM
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Let f(x) = 4x - 5 and g(x) = 6x - 3.
f(x) - g(x) = (4x - 5) - (6x - 3)
= 4x - 5 - 6x + 3
= -2x - 2
Added 147 days ago|5/27/2014 8:44:21 PM
Which of Earth’s spheres includes the oceans, groundwater, lakes, and glaciers? A. atmosphere B. biosphere C. hydrosphere D. geosphere
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Asked 4/30/2013 12:54:10 PM
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Weegy: C. crust, mantle and core are the three main parts of geosphere. User: Chemical bonds are likely to form when A. two atoms have the same number of electrons. B. an atom’s outer energy level doesn’t have the maximum number of electrons. C. an atom’s nucleus has the same number of protons as neutrons. D. an atom’s outer energy level is filled. Weegy: The correct answer is B. an atom?s outer energy level doesn?t have the maximum number of electrons. User: A scientific hypothesis can become a theory if A. the entire scientific community accepts it. B. the hypothesis is tested extensively and competing hypotheses are eliminated. C. there are no other competing hypotheses. D. the hypothesis can be tested at least once. Weegy: B. The hypothesis is tested extensively and competing hypotheses are eliminated. Can I answer anything else for you? User: Minerals are classified according to their A. color. B. origin. C. composition. D. specific gravity. Weegy: Minerals are classified according to their COMPOSITION. User: The theory of plate tectonics helps scientists explain A. how ocean currents move over Earth’s surface. B. why hurricanes occur. C. how earthquakes and volcanic eruptions occur. D. why Earth’s mantle is more dense than its crust. Weegy: C. how earthquakes and volcanic eruptions occur. User: To what class of minerals do gold, silver, and copper belong? A. carbonates B. native elements C. halides D. sulfates and sulfides Weegy: B. native elements User: Isotopes are atoms of an element A. with the same number of electrons but different numbers of protons. B. that are radioactive. C. with a magnetic charge. D. with the same number of protons but different number of neutrons. Weegy: The answer is: D. with the same number of protons but different number of neutrons. [smile] User: Which of the following is NOT one of the main areas of Earth science? A. geology B. oceanography C. ... (More)
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Asked 4/30/2013 1:01:47 PM
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What receives radio waves from space objects such as quasars? A. GPS equipment B. Landsat satellites C. VLBI equipment D. navigation satellites
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Asked 4/30/2013 1:12:43 PM
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One way that mining for mineral resources damages land is by A. adding greenhouse gases to the environment. B. depleting the world’s ozone. C. causing salinization. D. increasing soil erosion.
Weegy: D.) Increasing soil erosion User: The rock cycle includes all of the steps EXCEPT which of the following? A. Magma or lava cools. B. Sediments melt deep beneath Earth’s surface. C. Extreme heat and pressure form metamorphic rocks. D. Rocks at Earth’s surface are broken down into smaller pieces. Weegy: B. User: A foliated metamorphic rock forms when crystals A. combine but do not form bands. B. combine and form visible bands. C. become less compact. D. align themselves parallel to the direction of the forces acting on them. Weegy: A foliated metamorphic rock forms when crystals: B. combine and form visible bands. User: The Resource Conservation and Recovery Act of 1976 has A. decreased the amount of recycling. B. encouraged the use of compost. C. decreased the illegal and unsafe dumping of hazardous waste. D. cut down the use of fossil-fuel resources. Weegy: C. decreased the illegal and unsafe dumping of hazardous waste. User: Which of the following is NOT one of the three types of rock? A. igneous B. sedimentary C. magma D. metamorphic Weegy: Metamorphic rock User: What rock-forming process occurs when hot magma forces its way into rock? A. regional metamorphism B. biochemical sedimentation C. contact metamorphism D. deposition Weegy: The answer is C. contact metamorphism User: Lava that cools so quickly that ions do not have time to arrange themselves into crystals will form igneous rocks with a A. porphyritic texture. B. coarse-grained texture. C. glassy texture. D. fine-grained texture. Weegy: Lava that cools so quickly that ions do not have time to arrange themselves into crystals will form igneous rocks with a glassy texture. (More)
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Asked 4/30/2013 2:48:41 PM
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