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3 years ago

Plz help!Find the missing angle measurements.60°64°45°49°53°

Mathematics

2 answers:

Orlov [11]3 years ago

6 0

Answer:

The big triangle is 60, the little triangle is 45, and the middle is 64.

Step-by-step explanation

make me brainliest

olganol [36]3 years ago

3 0

Answer:

45° 60° 64°

Step-by-step explanation:

Little triangle:180-(64+71)=45

Big triangle :180-(64+56)=60

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A small theater had 9 rows of 25 chairs each. An extra 7 chairs have just been brought in. How many chairs are in the

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Answer:

232

Step-by-step explanation:

9 x 25 = 225 225 + 7 = 232

another way to find it

9 x 20 = 180 9 x 5 = 45 180 + 45 = 225 + 7 = 232

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3 years ago

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4 years ago

Please answer question

Dmitry_Shevchenko [17]

The value of the expression $2\cos(t) + \tan^2(t)$ is 4 and the exact value of $\sin^{-1}(\sin(\frac{5\pi}{3}))$ is $\frac{5\pi}{3}$

<h3>How to determine the trigonometry expression?</h3>

The point on the unit circle is given as:

$P = (\frac 12, \frac{\sqrt{3}}2)$

A point on a unit circle is represented as: (x,y), such that:

cos(t) = x and sin(t) = y.

This means that:

$\cos(t) = \frac 12$

$\sin(t) = \frac{\sqrt 3}{2}$

Calculate tan(t) using:

$\tan(t) = \frac{\sin(t)}{\cos(t)}$

So, we have:

$\tan(t) = \frac{\frac{\sqrt 3}{2}}{1/2}$

Evaluate

$\tan(t) = \sqrt 3$

The expression is then calculated as:

$2\cos(t) + \tan^2(t) = 2 * \frac12 + (\sqrt 3)^2$

Evaluate each term

$2\cos(t) + \tan^2(t) = 1 + 3$

Evaluate the sum

$2\cos(t) + \tan^2(t) = 4$

Hence, the value of the expression $2\cos(t) + \tan^2(t)$ is 4

<h3>How to solve the arcsin expression?</h3>

The expression is given as:

$\sin^{-1}(\sin(\frac{5\pi}{3}))$

As a general rule, the arc sine of sine x is x.

This means that:

$\sin^{-1}(\sin(\frac{5\pi}{3})) = \frac{5\pi}{3}$

Hence, the exact value of $\sin^{-1}(\sin(\frac{5\pi}{3}))$ is $\frac{5\pi}{3}$

Read more about trigonometry expressions at:

brainly.com/question/8120556

#SPJ1

6 0

2 years ago

Question 11 hellllpppp plzzzz almost done

Talja [164]

Answer:

it is 25

Step-by-step explanation:

if 5 min is 1/2 mile, then do 5 1/2 miles.

5=1/2 mi

10=1 mi

15=1 1/2 mi

20=2 mi

25=2 1/2 mi

have a good day!

6 0

3 years ago

Read 2 more answers

I need help. pls help me

Anna71 [15]

Answer:

Step-by-step explanation:

6÷2=3

7×3=21

hope u will understand

4 0

3 years ago

Plz help!Find the missing angle measurements.60°64°45°49°53°​

Plz help!Find the missing angle measurements.60°64°45°49°53°