Mathematics, 03.02.2020 13:52 ilovewaffles70
Acompany with loud machinery needs to cut its sound intensity to 44% of its original level. by how many decibels would the loudness be reduced? use the formula l=10log i/i(o). round to the nearest hundredth.
a) 3.57 decibels
b) 1.58 decibels
c) 2.52 decibels
d) 1.93 decibels
Answers: 1
Mathematics, 21.06.2019 21:00
Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x β 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, β8) included in the solution area for the system? justify your answer mathematically. (4 points)
Answers: 3
Mathematics, 21.06.2019 23:00
Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so
Answers: 2
Mathematics, 22.06.2019 03:30
Fawn bought a total of 70 cakes for a tea party. she spent $3,025. fawn bought vanilla cakes for $22 each and a fruit filled cake for $55 each. the system of equations below can be used to find the number of vanilla cakes, v, and the number of fruit filled cakes, f, fawn purchased. which system of equations has the same solution as the system below.
Answers: 2
Acompany with loud machinery needs to cut its sound intensity to 44% of its original level. by how m...
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