Mathematics, 26.06.2020 17:01 cooljazzy1234
Considere um triângulo retângulo, cujos ângulos agudos a e b satisfazem à condição cos a = 0,8 e cos b = 0,6 Determine a área desse triângulo, em cm² sabendo que o comprimento da hipotenusa é 5 cm.
a) 4,5
b) 6
c) 7,5
d) 8
e) 10
Answers: 3
Mathematics, 21.06.2019 13:00
Select all the correct statements. the amount in dollars an electrician charges in terms of the number of hours worked is represented by the function y = 22x + 42. from the function, identify all the phrases that hold true for the situation. the electrician charges an initial fee of $22 the y-variable represents the number of hours the electrician charges an initial fee of $42 the electrician charges $22 for every hour worked the x-variable represents the electricians charges in dollars the electrician charges $42 for every hour worked
Answers: 2
Mathematics, 21.06.2019 22:20
Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g
Answers: 2
Mathematics, 22.06.2019 01:00
Is the ordered pair (-10, 7) a solution to the equation y = 17 – x? yes or no
Answers: 1
Considere um triângulo retângulo, cujos ângulos agudos a e b satisfazem à condição cos a = 0,8 e cos...
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