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Taya2010 [7]
3 years ago
9

10.219.835 nearest tens place

Mathematics
1 answer:
tankabanditka [31]3 years ago
5 0

Answer:

1st. 10

2nd. 220.

3rd. 840.

Step-by-step explanation:

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30 pts ! The height of the Ferris wheel in feet can be represented by the function 50 cos (π/15(x-10))+52 with time in x seconds
Dahasolnce [82]

h = 50 cos ( pie(x - 10 )/15 ) + 52

80 = 50 cos ( pie( x - 10 )/15 ) + 52

80 - 52 = 50 cos ( pie( x - 10 )/15 )

28 = 50 cos ( pie( x - 10 )/15 )

cos ( pie( x - 10 )/15 ) = 28/50

cos ( pie( x - 10 )/15 ) = 56/100

cos ( pie( x - 10 )/15 ) = cos ( 56 )

cos ( pie( x - 10 )/15 ) = cos ( 0.3111 pie )

Thus ;

pie( x - 10 )/15 = 0.3111 pie

( x - 10 )/15 = 0.3111

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x - 10 = 4.6665

x = 10 + 4.6665

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7 0
2 years ago
3.53 divided by 51<br> 24.2 divided by 42<br> 9.13 divided by 23<br> 79.2 divided by 39
patriot [66]

Answer:

1. 0.0692156863

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Step-by-step explanation:

5 0
3 years ago
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3 years ago
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Answer:

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Step-by-step explanation:

Mean is calculated as

mean = \frac{sum}{count}

let x be his test score of his last test , then

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504 + x = 595 ( subtract 504 from both sides )

x = 91

4 0
2 years ago
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