natajaeecarr
18.09.2019 •
Mathematics
solve the equation.
1.3x + 2.4 = 7.6
Solved
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Ответ:
1.3x=(7.6-2.4)
1.3x=5.2
divide 1.3 to get x alone
x=(5.2/1.3)
x=4
Ответ:
? = 46
Step-by-step explanation:
Since this is a right triangle, we can use trig functions
sin theta = opp/ hypotenuse
sin ? = 38 / 53
Take the inverse sin of each side
sin ^-1 ( sin ?) = sin ^-1 ( 38/53)
? = sin ^-1 ( 38/53)
? =45.80579628
To the nearest degree
? = 46