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andriy [413]
2 years ago
9

Which expression is equivalent to the given expression​ I need help ASAP!

Mathematics
1 answer:
velikii [3]2 years ago
6 0
It’s C.

Explanation:
The square root of 384 is divided into the square root of 64 and the root of 6. If we take the square root of 64, it is 8. So the answer is C.
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Suppose a football is kicked with an initial velocity of 82 ft/sec., at an angle of
satela [25.4K]

Answer:

The position P is:

P = 87\^x + 75\^y ft     <u><em> Remember that the position is a vector. Observe the attached image</em></u>

Step-by-step explanation:

The equation that describes the height as a function of time of an object that moves in a parabolic trajectory with an initial velocity s_0 is:

y(t) = y_0 + s_0t -16t ^ 2

Where y_0 is the initial height = 0 for this case

We know that the initial velocity is:

82 ft/sec at an angle of 58 ° with respect to the ground.

So:

s_0 = 82sin(58\°) ft/sec

s_0 = 69.54 ft/sec

Thus

y(t) = 69.54t -16t ^ 2

The height after 2 sec is:

y(2) = 69.54 (2) -16 (2) ^ 2

y(2) = 75\ ft

Then the equation that describes the horizontal position of the ball is

X(t) = X_0 + s_0t

Where

X_ 0 = 0 for this case

s_0 = 82cos(58\°) ft / sec

s_0 = 43.45 ft/sec

So

X(t) = 43.45t

After 2 seconds the horizontal distance reached by the ball is:

X (2) = 43.45(2)\\\\X (2) = 87\ ft

Finally the vector position P is:

P = 87\^x + 75\^y ft

6 0
3 years ago
A square rests inside a regular octagon. Each shape has a side length measuring 9 inches.
Phantasy [73]

Wait so are the sides of the octagon 9 inches each or do we have to find that?

6 0
3 years ago
What is the constant proportionality of 3y = 2x
Ivenika [448]

Answer:

1.5

Step-by-step explanation:

3 0
3 years ago
1.The base length of a rectangle is multiplied by 8. How does this affect the area?
stiv31 [10]

Answer:

1. C - 8x bigger

2. D - 16x bigger

3. A - 3x bigger

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is 7a + 1 = 8a - (a - 1)​
leva [86]

Answer: all real numbers

Step-by-step explanation:

7a + 1 = 8a - a + 1

7a + 1 = 7a + 1

a = all real numbers

5 0
3 years ago
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