3 years ago

Can someone help me? I am pretty bad at trig.

2 answers:

7 0

Cos (x) = 3/5.8
x = cos⁻¹(3/5.8)
x = 59° (nearest whole number) (Answer D)

Sin x = 0.5
x = sin⁻¹(0.5)
x = 30° (Answer B)

vlada-n [284]3 years ago

5 0

6 is 59 degrees

7 is 30 degrees

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aleksklad [387]

Answer:

60km/h

Step-by-step explanation:

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6 0

3 years ago

Read 2 more answers

Square root of 15-x=-3+Square root of 2x+3<br><br> Solve for x

PSYCHO15rus [73]

$
\sqrt{15-x}=-3\sqrt{2x+3}\impliedby \textit{divide by -3}
\\ \quad \\
\cfrac{\sqrt{15-x}}{-3}=\sqrt{2x+3}\impliedby \textit{squares both sides}
\\ \quad \\
\left( \cfrac{\sqrt{15-x}}{-3} \right)^2=(\sqrt{2x+3})^2\implies 
\cfrac{(\sqrt{15-x})^2}{(-3)^2}=(\sqrt{2x+3})^2
\\ \quad \\
\cfrac{15-x}{9}=2x+3\impliedby \textit{multiply both sides by 9}
\\ \quad \\
15-x=18x+27\impliedby \textit{solve for "x"}$