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rjkz [21]
3 years ago
5

Help give 5 starspleasehelp help quiz​

Mathematics
1 answer:
Tasya [4]3 years ago
5 0

Both methods are correct

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MODELING REAL LIFE A baseball is thrown up in the air. The table shows the heights $y$ (in feet) of the baseball after $x$ secon
nikklg [1K]

The equation for the path of the ball can be measured using a regression model calculator which produced the quadratic model ;

  • y(x) = - 16x² + 36x + 4
  • Height at x = 1.7 = 18.89 feets

<u>The table given</u> :

Time, x : __0.5 ___ 1 ____ 1.5 ____ 2

Height, y _ 18 ____22 ___ 24 ____ 12

<u>Using </u><u>technology</u><u> such as a </u><u>quadratic regression</u><u> calculator or </u><u>excel</u> ;

The quadratic regression model obtained is :

  • y(x) = - 16x² + 36x + 4

<u>The </u><u>height after, 1.7 seconds</u><u>, x = 1.7 can be calculated thus</u> :

Put x = 1.7 in the equation :

  • y(1.7) = - 16(1.7)² + 36(1.7) + 4
  • y = 18.89 feets

Therefore, the height of the baseball after 1.7 seconds will be 18.89 feets.

Learn more : brainly.com/question/22939512

5 0
2 years ago
If x2 = 10, what is the value of x?
JulsSmile [24]
If you mean x^2 then there would be no answer after all, 3^2= 9 and 4^2= 16 so

If you mean 2x then the answer would be 5

Hope I helped?
7 0
3 years ago
Read 2 more answers
A mechanic can install carburetors in 3 cars every 4 hours. At that rate, how long will it take the mechanic to install carburet
siniylev [52]

Answer:

B, (6hr. 40 min)

8 0
4 years ago
Does anybody know this?
Inessa05 [86]

Answer:

1/3

Step-by-step explanation:

The two points are (2, -1) and (-1, -2).

Slope is y change over x change.

So... -2-(-1) over -1-2 which is -2+1 over -3

Slope is -1/-3

The answer is 1/3.

Hope this helps :D

5 0
3 years ago
Read 2 more answers
Can someone please help ? ❤️
faust18 [17]

Answer:

B

Step-by-step explanation:

5 0
3 years ago
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