3 years ago

Find the complementary angle of 73.8 (Type an integer or a decimal.) is Enter your answer in the answer box

Mathematics

1 answer:

Verizon [17]3 years ago

7 0

Answer:

16.2

Step-by-step explanation:

Since, if the sum of two angles is 90° then they are called complementary angles.

Here, the given angle is 73.8°,

Let x be the complementary angle of 73.8°,

Thus by the above definition,

x + 73.8° = 90°,

By subtraction property of equality,

⇒ x = 16.2°,

Hence, the complementary angle of 73.8° is 16.2°.

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Solve each equation using the quadratic formula. Find the exact solutions.<br><br> 6n^2 + 4n - 11

Paul [167]

Answer:

$\frac{-2\pm\sqrt{70}}{6}}$

Step-by-step explanation:

The quadratic formula is $\frac{-b\pm\sqrt{b^2-4ac}}{2a}$ , where a, b, and c are values in the quadratic ax^2 + bx + c. Plug in the values to get $\frac{-4\pm\sqrt{4^2-4(6)(-11)}}{2\cdot6} \implies \frac{-4\pm\sqrt{16+264}}{12} \implies \frac{-4\pm2\sqrt{70}}{12} = \boxed{\frac{-2\pm\sqrt{70}}{6}}$