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Ipatiy [6.2K]
3 years ago
5

The table below shows the approximate height of a ball thrown up in the air after x seconds. A 2-column table with 5 rows. The f

irst column is labeled time (seconds) with entries 0, 1, 2, 3, 4. The second column is labeled height (feet) with entries 5, 90, 140, 160, 150. Which quadratic model best represents the data? f(x) = –16x2 + 99x + 6 f(x) = –36x2 + 37x + 5 f(x) = 36x2 + 37x + 5 f(x) = 16x2 + 99x + 6
Mathematics
2 answers:
Katen [24]3 years ago
5 0

Answer:

a

Step-by-step explanation:

garik1379 [7]3 years ago
4 0

Answer:

A) . f(x) = –16x2 + 99x + 6  

AAAAAAA is the answerrrrrr!!!!

Step-by-step explanation:

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If VW≅VY, WX = s + 69, and XY = 4s, what is the value of s?
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Answer:

s = 23

Step-by-step explanation:

1. VW ≅ VY is given.

2. XV ≅ VX as it is the same side.

3. ∠WVX ≅ ∠YVX as they are both 90°. ∠WVY is 180° as it is a straight line, so both ∠WVX and ∠YVX are exactly half of that.

Given those three things, you can say that ΔWVX ≅ ΔYVX. Because all corresponding parts of congruent triangles are also congruent, you can be sure that WX ≅ XY. Finally, using that information, you can write an equation and solve for s.

s+69=4s\\s-s+69=4s-s\\69=3s\\\frac{69}{3}=\frac{3s}{3}\\s=23

7 0
2 years ago
Find the radius of each circle. use 3.14for the value of Pie. round your answer to
muminat

9514 1404 393

Answer:

  8.6 km

Step-by-step explanation:

The circumference of a circle is given in terms of its radius as ...

  C = 2πr

Then the radius can be found from the circumference using ...

  r = C/(2π)

Filling in the given values, we find the radius to be ...

  r = (54 km)/(2·2.14) = (54 km)/6.28 ≈ 8.59873 km

The radius is about 8.6 km.

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Step-by-step explanation:

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