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Elan Coil [88]
3 years ago
6

The cost, C, of materials for a deck varies jointly with the width w and the length l. If C = $470.40 when w = 12 and l = 16, fi

nd the cost when w = 10 and l = 25.
Mathematics
1 answer:
Semenov [28]3 years ago
8 0
What is the question?
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Did the greeks use erasers in geometric construction?
Anika [276]
Yes,<span>the famous </span>geometric construction<span> </span><span> a pair of compasses, an unmarked ruler, and (of course!) a pencil and an </span>eraser<span>.</span>
5 0
3 years ago
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Find the exact solution to the equation. Show your work for credit. (1 point) four to the power of quantity twelve minus four x
padilas [110]
4^(12-4x)=256  realize that 256 is 4^4  so we really have:

4^(12-4x)=4^4  taking the natural log of both sides

(12-4x)ln4=4ln4  dividing both sides by ln4

12-4x=4  subtract 12 from both sides

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x=2


7 0
3 years ago
Select the choice that translates the following verbal phrase correctly to algebra:
likoan [24]
The answer is <span>one halfn − 16
</span>
Let the number be n.

<span>One half of a number is (1/2n)
</span><span>decreased by 16 is (-16)

</span><span>one half of a number decreased by 16 is
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4 0
3 years ago
Y = f(x) = 2^x
Virty [35]

Answer:

The value of f(x) when x=-1 is 0.5

Therefore f(-1)=0.5

Step-by-step explanation:

Given that y=f(x)=2^x

to find the f(x) when x=-1 :

That is to find f(-1)

Put x=-1 in the given function f(x)=2^x

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

=\frac{1}{2}

=0.5

Therefore f(-1)=0.5

The value of f(x) when x=-1 is 0.5

3 0
3 years ago
If a man earns 90cents every 3 minutes and he works for a day shift of 5hours how much will he earn in that time?
zavuch27 [327]

Answer:

It is 9000 cents or $90 total for 5 hours

Step-by-step explanation:

8 0
2 years ago
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