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Novosadov [1.4K]
3 years ago
14

Giúp mình với mình không biết làm

Mathematics
1 answer:
Vladimir [108]3 years ago
4 0
Can you translate so I can help you out
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Find m angle A
stepan [7]

Answer:

  D.  14°

Step-by-step explanation:

The Law of Sines tells you sides are in proportion to the sine of the opposite angle:

  sin(A)/BC = sin(B)/AC

  sin(A) = BC/AC·sin(B)

  A = arcsin(BC/AC·sin(B)) = arcsin(7/28·sin(75°)) ≈ 13.974° ≈ 14°

7 0
3 years ago
I need help with a puzzle
Harrizon [31]

ummm there's nothing attached

6 0
3 years ago
The volume of a cube depends on the length of its sides . This can be writtin in function notation as v(s) . What is the best in
Soloha48 [4]

Answer:

  The volume of a cube with side length 2 is 8.

Step-by-step explanation:

The argument of the function is the side length. In v(2), the argument is 2, so the side length of the cube of interest is 2 units.

The value of the function is the volume of the cube. The value of v(2) is 8, so that is the volume of the cube whose side length is 2.

7 0
3 years ago
At t= 0, a particle starts from rest at x= 0, y = 0, and moves in the xy plane with an acceleration a⃗ = (4.0i^ + 3.0j^)m/s2. As
alexira [117]
Given that: a = acceleration = (4i^ + 3j^) m/s^2

Using the following relations:
a = dv/dt
v = <span>∫ a dt

such that:
</span>v = ∫ (<span>4i^ + 3j^</span>) dt + C
v = (4t + Cx)i^ + (3t + Cy)j^

Therefore:
Vx = 4t + Cx
Vy = 3t + Cy

At t = 0, Cx = Cy = 0

Finally:

Vx = 4t
Vy = 3t
8 0
3 years ago
Read 2 more answers
The label on the box says the bookshelf is 5151 inches tall. How tall is it in feet?
romanna [79]
We know, 1 inch = 1/12 feet
so, 5151 inch = 5151 * 1/12 = 429.5

So, your final answer is 429.5

Hope this helps!
4 0
3 years ago
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