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lorasvet [3.4K]
3 years ago
13

Las unidades solo son 1 6 7 o són 167 unidades 6 decimas...No lo entiendo.

Mathematics
1 answer:
Bess [88]3 years ago
5 0
Poco contexto una foto sería más fácil
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Is this right? Or no?
kvv77 [185]
No if i was you i would go with the last one
6 0
3 years ago
A certain ball is dropped from a height of x feet. It always bounces up to 2/3 x feet. Suppose the ball is dropped from 10 feet
galina1969 [7]

Given that if a ball is dropped from x feet, it bounces up to 2/3 x feet.

And the ball is dropped from 10 feet, that is x=10 feet,

So,before the first bounce it travels 10 feet distance.

Between first and second bounce it travels  \frac{2}{3}* 10 + \frac{2}{3} * 10 = 20*(\frac{2}{3})

Between second and third bounce, it travels 20*(\frac{2}{3})^{2}

Between third and fourth bounce, it travels 20*(\frac{2}{3}) ^{3}

Like that between 29th and 30th bounce, it travels 20*(\frac{2}{3} )^{29}

Hence total distance traveled is

    10+20*(\frac{2}{3} )+20*(\frac{2}{3})^{2} + 20*(\frac{2}{3}) ^{3}+......+20*(\frac{2}{3})^{29}

=10+20[(\frac{2}{3}) +(\frac{2}{3}) ^{2} +(\frac{2}{3}) ^{3} +.....+(\frac{2}{3} )^{29} ]

= 10+20[\frac{\frac{2}{3}*(1-(\frac{2}{3})^{29})  }{1-\frac{2}{3} }]

= 10+20*2*(1-(\frac{2}{3}) ^{29})

= 49.9997 feet ≈ 50 feet approximately.

7 0
3 years ago
Read 2 more answers
Which equation is equivalent to 3[x + 3(4x – 5)] = 15x – 24?
makkiz [27]

Hello from MrBillDoesMath!

Answer:

x = 7/8

Discussion:

3[x + 3(4x – 5)] = 15x – 24 =>

3x + (3*3)(4x-5) = 15x - 24  =>

3x + 9*(4x) - (3*3)*5 = 15x - 24 =>

3x + 36x  - 45 = 15x - 24  =>   (add 24 to each side)

3x + 36x - 45 + 45 = 15x - 24 + 45 =>

39x = 15x + 21  =>                    (as 45-24 = 21)

39x-15x = 21 =>                        (subtract 15x from both sides)

24x = 21 =>

x = 21/24 = -7/8


Regards,  

MrB

P.S.  I'll be on vacation from Friday, Dec 22 to Jan 2, 2019. Have a Great New Year!


5 0
3 years ago
Read 2 more answers
Sketch the images of abcd after each translation
WARRIOR [948]
Do you have a picture?
3 0
3 years ago
Now that you've figured out the formula for the area of acircle, A =Tr?, let's find the information we need tocalculate that are
satela [25.4K]

According to the given diagram, the diameter of the circle is 9 feet.

Remember that the radius is half the diameter, so the radius is 4.5 feet.

<h2>Hence, the answer is 4.5 feet.</h2>
5 0
1 year ago
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