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Nonamiya [84]
3 years ago
14

A new machine can make 10,000 aluminum cans three times faster than an older machine. with both machines working, 10,000 cans ca

n be made in 9 hours. how long would it take the new machine, working alone, to make the 10,000 cans?
Mathematics
1 answer:
Semmy [17]3 years ago
5 0
It takes at least 12 hours for the newer machine to make 10,000 cans
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Factor –3y – 18 and choose the correct option.
den301095 [7]
<h3>Factor –3y – 18 is:  -3(y + 6)</h3>

<em><u>Solution:</u></em>

Given that we have to factor -3y - 18

Use the distributive property,

a(b + c) = ab + bc

From given,

-3y - 18

Factor out the greatest common factor of 3 and 18

The factors of 3 are: 1, 3

The factors of 18 are: 1, 2, 3, 6, 9, 18

Then the greatest common factor is 3

Factot out 3 from given expression

-3y - 18 = 3( - y - 6)

Or else we can rewrite as,

-3y - 18 = -3(y + 6)

Thus the given expression is factored

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3 years ago
Jessie claims that if any number is doubled and then increased by 1, the result will be greater than 4.
Kamila [148]

Answer:

n = 1

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Please help. I’ll mark you as brainliest if correct!
chubhunter [2.5K]

Answer:

\boxed{\sf \ \ \ f^{-1}(x)=1+\sqrt{x} \ \ \ }

Step-by-step explanation:

the minimum of f is for x = 1 and f(1)=0

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so the domain is [1;+\infty[

f^{-1}(f(x))=x =f^{-1}((x-1)^2)\\\\f(f^{-1}(x))=x=(f^{-1}(x)-1)^2

x>=1 so x is positive and we can take the square root

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2 years ago
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