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3 years ago

50 POINTS!!!

Mathematics

2 answers:

Ipatiy [6.2K]3 years ago

7 0

Answer:

Option B on Edge2020.

Step-by-step explanation:

ivolga24 [154]3 years ago

6 0

Answer:

B. 1728

Step-by-step explanation:

No cap bruh

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4 years ago

X= - 6 2/3 - 9 - 12 please help asap

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Answer:

Step-by-step explanation:

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3 years ago

Trigonometry Trigonometric Functions Given: Sin θ = (5/6), Find: Cot θ

nikklg [1K]

Answer:

cotθ = $\sqrt{11}$ $/ 5$

Step-by-step explanation:

sine = opposite / hypotenuse

cotangent = adjacent / opposite

So first we have to solve for the adjacent side b, using pythagorean theorem

$a^{2} +b^{2} =c^{2}$

$5^{2} +b^{2} =6^{2}$

$25 + b^{2} = 36$

$b^{2} = 11$

$b = \sqrt{11}$

cotangent = adjacent / opposite

cotθ = $\sqrt{11}$ $/ 5$

6 0

4 years ago

Triangle ABC has a right angle at C. Select all measurements which would mean it has a hypotenuse with a length of 10 units. a.

Delvig [45]

Option d: Angle A is 30 degrees, BC is 5 units

Option e: AC is 8 units, BC is 6 units

Explanation:

The triangle ABC has a right angle at C.

The length of the hypotenuse is 10 units.

The image of the triangle with this measurement is attached below:

Option a: Angle A is 20 degrees, BC is 2 units

$\begin{aligned}\sin 20 &=\frac{2}{h y p} \\h y p &=\frac{2}{\sin 20} \\&=5.8476\end{aligned}$

Since, hypotenuse is 10 units, Option a is not correct answer.

Option b: AC is 7 units, BC is 3 units

$\begin{aligned}A B &=\sqrt{7^{2}+3^{2}} \\&=\sqrt{49+9} \\&=\sqrt{58}\end{aligned}$

Since, hypotenuse is 10 units, Option b is not correct answer.

Option c: Angle B is 50 degrees, BC is 4 units

$\begin{aligned}\cos 50 &=\frac{4}{h y p} \\h y p &=\frac{4}{\cos 50} \\&=6.222\end{aligned}$

Since, hypotenuse is 10 units, Option c is not correct answer.

Option d: Angle A is 30 degrees, BC is 5 units

$\begin{aligned}\sin 30 &=\frac{5}{h y p} \\h y p &=\frac{5}{\sin 30} \\&=10\end{aligned}$

Since, hypotenuse is 10 units, Option d is the correct answer.

Option e: AC is 8 units, BC is 6 units

$\begin{aligned}A B &=\sqrt{8^{2}+6^{2}} \\&=\sqrt{64+36} \\&=\sqrt{100} \\&=10\end{aligned}$

Since, hypotenuse is 10 units, Option e is the correct answer.

Thus, Option d and e are the correct answers.

3 0

3 years ago

Find the height of a triangle that has an area of 30 square units and a bas measuring 12 units

lara31 [8.8K]

That answer is 180. The formula is a=bh1/2

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3 years ago