Plot the point.(-4.5, 3.5)
A.
B.
C.
D.
Answer: B
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The following data show the mass M, in solar masses, and the relative luminosity L (the ratio of a star's luminosity to that of the sun) of various stars. Star Spica Vega Altair Sun 61 Cygni A M 7.3 3.1 1 1 0.17 L 1050 55 1.1 1 0.002? A: Use power regression to model the luminosity as a function of the mass. Use two digits of accuracy for the coefficient and for the power.B: What is the mass of a star with a relative luminosity of 6.43? Round your answer to two decimal places.C: If one star has a mass of 17 times that of another, how do their luminosities compare? Round your answer to two decimal places.
What will be an ideal response?
Solve the problem.To find the distance AB across a river, a distance BC of 995 m is laid off on one side of the river. It is found that B = 105.3° and Find AB. Round to the nearest meter.
A. 315 m B. 381 m C. 378 m D. 312 m
Solve the problem.Use the line graph to determine how many more hours were needed to prepare for Test 2 than for Test 1.
A. 2 B. 3 C. 4 D. 1
Solve the compound inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.-7 ? -2x + 5 < -3
A. (4, 6]
B. (-6, -4]
C. [4, 6)
D. [-6, -4)