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OlgaM077 [116]
3 years ago
9

Whats the answer to this question?

Mathematics
2 answers:
Inga [223]3 years ago
4 0
The answer would be 3 and 5/9 as a mixed number or 32/9 in the improper form 
Hitman42 [59]3 years ago
4 0
Three and five over nine.
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I NEED HELP PLEASE, THANKS! :)
marissa [1.9K]

Answer:

x = 28.01t,

y = 10.26t - 4.9t^2 + 2

Step-by-step explanation:

If we are given that an object is thrown with an initial velocity of say, v1 m / s at a height of h meters, at an angle of theta ( θ ), these parametric equations would be in the following format -

x = ( 30 cos 20° )( time ),

y = - 4.9t^2 + ( 30 cos 20° )( time ) + 2

To determine " ( 30 cos 20° )( time ) " you would do the following calculations -

( x = 30 * 0.93... = ( About ) 28.01t

This represents our horizontal distance, respectively the vertical distance should be the following -

y = 30 * 0.34 - 4.9t^2,

( y = ( About ) 10.26t - 4.9t^2 + 2

In other words, our solution should be,

x = 28.01t,

y = 10.26t - 4.9t^2 + 2

<u><em>These are are parametric equations</em></u>

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3 years ago
Sushil was thinking of a number. Sushil adds 7 to it, then doubles it and gets an answer of 85.5. What was the original number?
LiRa [457]

Answer:

39.25

Step-by-step explanation:

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3 years ago
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7x - 32+9x-8+5x - 27=180 <br> what’s x?
Nadya [2.5K]

Answer:

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Decimal: 11.76

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Step-by-step explanation:

Brainliest Please!!

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3 years ago
The radius of a semicircle is 3 feet. What is the semicircle's area?<br>Use 3.14 for Pi​
valentinak56 [21]

Answer:

14.13 ft²

Step-by-step explanation:

The area of a semicircle is

=  \frac{\pi \:  {r}^{2} }{2}

We were given the radius of the semicircle to be: r=3 feet.

We were also asked to use π as 3.14.

We substitute into the formula to get:

=  \frac{3.14 \times  {3}^{2} }{2}

This is the same as:

=  \frac{3.14 \times  9}{2}

Or

= 3.14 \times  4.5

= 14 .13 {ft}^{2}

The area of the semicircle is 14.13 ft²

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3 years ago
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marishachu [46]

Answer:

4 because I know it's right

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