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Nesterboy [21]
4 years ago
5

Answer question please

Mathematics
1 answer:
otez555 [7]4 years ago
6 0

Answer:

X=30, Scalene

Step-by-step explanation:

A circle is 360, The triangle is in the circle.

Part A:3x+30+2x+20+5x+10=360

10x+60=360

<u>-60=-</u><u>60</u>

10x=300

x=30

Part B:<em>Side BA</em><em> </em><em>is</em><em> </em><em>3</em><em>(</em><em>3</em><em>0</em><em>)</em><em>+</em><em>3</em><em>0</em><em>=</em><em>1</em><em>2</em><em>0</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>Side</em><em> </em><em>BC</em><em> </em><em>is</em><em> </em><em>2</em><em>(</em><em>3</em><em>0</em><em>)</em><em>+</em><em>3</em><em>0</em><em>=</em><em>9</em><em>0</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>Side</em><em> </em><em>AC</em><em> </em><em>is</em><em> </em><em>5</em><em>(</em><em>30</em><em>)</em><em>+</em><em>10</em><em>=</em><em>160</em>

All three sides are unequal

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Step-by-step explanation:

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If MP = 5.9, what is RN?
myrzilka [38]

Answer:

A

Step-by-step explanation:

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6 0
3 years ago
For positive acute angles A and B it is known that tan A 15/8 and Cos B 12/37 find the value of Cos (A+b) being in simplest form
weqwewe [10]

Answer:

Step-by-step explanation:

Cos(A + B) = Cos(A)*Cos(B) - Sin(A)*Sin(B)

Find The Hypotenuse of A

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Tan(A) = 15/8

Opposite = 15

Adjacent = 8

Hypotenuse = c

c^2 = opposite^2 + Adjacent^2

c^2 = 15^2 + 8^2

c^2 = 225 + 64

c^2 = 289

sqrt(c^2) = sqrt(289)

c = 17

Find the opposite of B

Adjacent = 12

Hypotenuse = 37

Opposite = b

adjacent^2 + opposite^2 = hypotenuse^2

12^2 + b^2 = 37^2

144 + b^2 = 1369

b^2 = 1369 - 144

b^2 = 1335

b = 35

Definitions

Sin(A) = Opposite / hypotenuse = 15/17

Sin(B) = opposite / hypotenuse =  35/37

Cos(A) = 8/17

Cos(B) = 12/37

Answer

Cos(A + B) = Cos(A)*Cos(B) - Sin(A)*Sin(B)

Cos(A + B) = 8/17 * 12/37 - 15/17*35/37

Cos(A + B) = 96/629 - 525/629

Cos(A + B) = -429/629

6 0
3 years ago
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Natasha2012 [34]

Answer:

5 trucks per hour

Step-by-step explanation:

25 trucks ÷ 5

5 hours ÷ 5

= 5 trucks per hour

3 0
4 years ago
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