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1 year ago

Need help ASAP need done before 3:30

Mathematics

1 answer:

Sphinxa [80]1 year ago

3 0

Answer:

Angel two measures 60.4.

Step-by-step explanation

Since you are given one number, you would just have to subtract that from 90. (Easiest way to explain) Complementary angels are when the sum of both angels add up to 90°.

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ANSWER ASAP!!!! <br><br> Thank u

Vinvika [58]

Answer: 20 cm

Step-by-step explanation:

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2 years ago

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Find the solutions for a triangle with a = 16, c =12, and B = 63º.

maks197457 [2]

Answer:

b. A = 71.6°; C = 45.40°; b =15.0

Step-by-step explanation:

The missing values can be found with the help of the Law of Cosine and properties of triangles:

Side b (Law of Cosine)

$b = \sqrt{a^{2}+c^{2}-2\cdot a \cdot c \cdot \cos B}$

$b = \sqrt{16^{2}+12^{2}-2\cdot (16)\cdot (12) \cdot \cos 63^{\circ}}$

$b \approx 15.022$

Angle A (Law of Cosine)

$\cos A = -\frac{a^{2} - b^{2}-c^{2}}{2\cdot b \cdot c}$

$\cos A = - \frac{16^{2}-15.022^{2}-12^{2}}{2\cdot (15.022)\cdot (12)}$

$\cos A = 0.315$

$A= \cos^{-1} 0.315$

$A \approx 71.639^{\circ}$

Angle C (Sum of internal angles in triangles)

$C = 180^{\circ} - 63^{\circ} - 71.639^{\circ}$

$C = 45.361^{\circ}$

Hence, the right answer is B.

6 0

2 years ago

I need help ASP! 1 inches equals 25 miles on a map if two cities on a map are 2 inches apart how far apart are actually

REY [17]

Hi there! This is basic multiplication, if 1 inch equals 25 miles than 2 inches equals 50 miles. To get this answer all I did was multiply 25 by 2 to get the answer of 50 miles.

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2 years ago

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What is the value of x in the equation? 5 5/6 x + 2 2/3 = 12

devlian [24]

Answer:

The value of x is 8/5

Step-by-step explanation:

(35/6)x + (8/3) = 12

(35/6)x = 28/3 (cross multiplication)

105x = 168

x = 8/5

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2 years ago

Ms. Lui earned an annual income of 775,000, what is the weekly salary?

jok3333 [9.3K]

Answer:

$14,903.85

Step-by-step explanation:

So, Ms. Lui earns $775,000 each year. To find the weekly salary, we have to divide the annual income by the amount of weeks in a year. There are about 52 weeks in one year. Let's find the weekly salary:

$\frac{775000}{52} = 14,903.85$

Therefore, Ms. Lui earns $14,903.85 a week.

Hope this helps! If you have questions about my work, please leave them in the comments!

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1 year ago