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2 years ago

Help please!ill give brainliest

Mathematics

1 answer:

bagirrra123 [75]2 years ago

5 0

Answer:

seirously I don't know if that's an "x" or a multiplication sign

Step-by-step explanation:

[3² x(189/9)]-32

9. 21x - 32

189x - 32

x = 189/32

x = 5.29/32

[3² x(189/9)]-32

9x21-32

189-32

157

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Solve for the missing side to the nearest tenth. 19 X 51

telo118 [61]

Answer:

x = 30.2 units

Step-by-step explanation:

Trigonometric Ratios

The ratios of the sides of a right triangle are called trigonometric ratios.

Selecting any of the acute angles, it has an adjacent side and an opposite side. The trigonometric ratios are defined upon those sides and the hypotenuse.

The given right triangle has an angle of measure 51° and its adjacent leg has a measure of 19 units. It's required to calculate the hypotenuse of the triangle.

We use the cosine ratio to calculate x:

$\displaystyle \cos\theta=\frac{\text{adjacent leg}}{\text{hypotenuse}}$

$\displaystyle \cos 51^\circ=\frac{19}{x}$

Solving for x:

$\displaystyle x=\frac{19}{\cos 51^\circ}$

$\displaystyle x=\frac{19}{0.6293}$

x = 30.2 units

3 0

2 years ago

The Cape Hatteras Lighthouse in North Carolina was constructed in 1802 and stands 210 feet tall. It is the tallest brick lightho

hichkok12 [17]

Lots of red herrings in this question! The beacon is circular, so you need to find the area of a circle with a diameter of 36 inches.

Area of a circle = pi x radius^2

remember radius is half the diameter!

8 0

2 years ago

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4р — 5 (p + 6) = I need help solving this question

Lapatulllka [165]

ANSWER
-p-30

STEP BY STEP:
-Distribute
-Combine like terms
-Simplify

Hope this helps :)

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2 years ago

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zysi [14]

Answer:

decreases