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2 years ago

6 divided bye 2(1+2)=???? Math math math math math math math math math math math!!!!!! :3

Mathematics

2 answers:

disa [49]2 years ago

5 0

Answer:

$= > 6 \div 2(1 + 2)$

$= > 6 \div 2 \times 3$

$= > 3 \times 3$

$= > 9$

Andre45 [30]2 years ago

4 0

Answer:

Your answer will be 9

I hope this will you

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Minchanka [31]

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3 years ago

In ∆MNP, m∠N = 90º, NH – altitude, m∠P = 21º, PM = 4 cm. Find MH.

Sveta_85 [38]

Answer:

0.51 cm

Step-by-step explanation:

In right triangle MNP, MP = 4 cm, m∠N = 90°, m∠P = 21°

By the sine definition,

$\sin \angle P=\dfrac{\text{Opposite leg}}{\text{Hypotenuse}}=\dfrac{MN}{MP}\\ \\MN=MP\sin \angle P\\ \\MN=4\sin 21^{\circ}\approx 1.43\ cm$

Now, consider right triangle HMN (it is right because NH is an altitude). By the cosine definition,

$\cos \angle M=\dfrac{\text{Adjacent leg}}{\text{Hypotenuse}}=\dfrac{MH}{MN}\\ \\MH=MN\cos \angle M$

In the right triangle, two acute angles are always complementary, so

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$MH=1.43\cos 69^{\circ}\approx 0.51\ cm$

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3 years ago