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Olin [163]
3 years ago
12

Desperate question down below

Mathematics
2 answers:
Ray Of Light [21]3 years ago
8 0

Answer:

6

Step-by-step explanation:

\frac{2}{3} (18 - 9)

Multiply \frac{2}{3} with 18 and 9. Which would look like this:

( \frac{2}{3} × 18 ) - ( \frac{2}{3} × 9 )

Calculate the values in the bracket and then subtract.

= \frac{36}{3} - \frac{18}{3}

= \frac{18}{3}

= 6

Verdich [7]3 years ago
6 0

Answer:

6

Step-by-step explanation:

\frac{2}{3} (18 - 9)

= \frac{2}{3} × 9 ( cancel 3 and 9 by 3 )

= 2 × 3 = 6

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Answer is 8.99, but how tho​
Mnenie [13.5K]

Answer:

  x ≈ 8.99

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the relationship between trig functions and sides in a right triangle. Here, the geometry of the problem can be modeled by a right triangle. We are given one side and want to find the difference in lengths of the other side for two different angles.

__

<h3>setup</h3>

The tower height is the side opposite the angle of elevation. The distance from the tower to the end of the shadow is the side adjacent to the angle of elevation, so the relevant trig relation is ...

  Tan = Opposite/Adjacent

  tan(angle of elevation) = (tower height)/(length of shadow)

Solving for the length of shadow, we have ...

  length of shadow = (tower height)/tan(angle of elevation)

The difference in shadow lengths is 2x for the two different angles, so we have ...

  2x = 24.57/tan(30°) -24.57/tan(45°)

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<h3>solution</h3>

Dividing by 2 and factoring out the tower height, we have ...

  x = 12.285(1/tan(30°) -1/tan(45°)) = 12.285(√3 -1)

  x ≈ 8.993244

The value of x is about 8.99.

7 0
2 years ago
Pls help with my geometry
Sati [7]
Least to greatest is mB,mD,mC
8 0
3 years ago
HELPPPPP! WILL Give BRAINLIEST! 100 POINTS! Please get it correct!
Leno4ka [110]

Answer:

  • 11.26 cm²

Step-by-step explanation:

The shaded region is the difference of areas of semicircle AB and triangle ABC.

ABC is right triangle as AB is diameter, so C is right angle.

<u>Area of semicircle:</u>

  • A = 1/2πr² = 1/2*3.14*4² = 25.12 cm²

<u>Area of triangle:</u>

  • A = 1/2BC*AC = 1/2*4*\sqrt{8^2-4^2} = 2\sqrt{48} = 13.86 cm²

<u>Shaded are is:</u>

  • 25.12 - 13.86 = 11.26 cm²
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3 years ago
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posledela

Answer:

lol 1+7 is 8

Step-by-step explanation:

8 0
3 years ago
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