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3 years ago

50 mph then how much is 225 m how many hours

Mathematics

2 answers:

o-na [289]3 years ago

4 0

Answer:

3 hours

Step-by-step explanation:

you need to find the distance between the mph and miles and then divide by 60 and you get your answer.

Hope this helps!

mel-nik [20]3 years ago

4 0

Answer:

3 hours

Step-by-step explanation:

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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

$m\angle M=90^{\circ}-m\angle P=90^{\circ}-21^{\circ}=69^{\circ}$

Thus,

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

7 0

3 years ago

How much cm³ is it the cilinder?

pychu [463]

Answer:

one because it is cilinder

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2 years ago

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2 years ago

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Find the value of 10! (10-3) A. 70 B. 120 O C. 5040 O D. 720

GarryVolchara [31]

Answer:

The answer is option D.

Step-by-step explanation:

$\frac{10!}{(10 - 3) ! } = \frac{10!}{7!} = \frac{3628800}{5040} = 720$

Hope this helps you

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3 years ago

Rectangle EFGH is translated according to the rule T–5, 9(x, y). If the coordinates of the pre-image of point H are (–2, –3), wh

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Answer:

2,1

Step-by-step explanation:

T-5 .9(×,y)

-2,-3

=2,1

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2 years ago