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Maurinko [17]
3 years ago
13

What is this number rounded to the nearest whole number

Mathematics
1 answer:
solong [7]3 years ago
7 0
Answer 9

The first value behind the decimal point is 0.
When rounding if the value is 0-4 then the value you are rounding to remains the same.
If the value is 5-9 then the value would round up.
However, because it is a 0 it remains a 9.
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A total of 200 people attended a carnival. Children tickets to the carnival cost $2.00. Adult tickets to the carnival cost $4.00
Orlov [11]

Answer:

$15.02

Step-by-step explanation:

add the money then add the 200. to what u get when u add the money

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A metallurgist has one alloy containing 21% titanium and another containing 50% titanium. How many pounds of each alloy must he
sweet-ann [11.9K]

x = amount of 21% alloy

y = amount of 50% alloy

The metallurgist wants a combination weighing a total of 44 lb, so

x + y = 44

Each pound of either alloy contributes either 0.21 or 0.5 pound of titanium. The final product needs to be comprised of 37% titanium; weighing at 44 lb, this means it should contain 0.37 * 44 = 16.28 lb. So

0.21x + 0.5y = 16.28

From the first equation,

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Substitute this into the second equation and solve for x:

0.21x + 0.5(44 - x) = 16.28

-0.29x = -5.72  ==>  x = 19.72

Substitute this into the first equation to solve for y:

19.72 + y = 44  ==>  y = 24.28

8 0
3 years ago
(Please answer, 100 points)
Ymorist [56]

use the formula 2πr

  • 106.76
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the c bit I did the whole process cuz the diameter is given and for the d bit i thought what you were trying to say is 25 diameter.

hope it helps and don't forget to put the units wherever necessary.!!!!

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What is the vertex of r(x) ? Use r(x)=1/2(x+9)(x-5)
IceJOKER [234]

(0, -[\frac{45}{2})

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Divide by -3

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