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victus00 [196]
3 years ago
11

What is 0.4% writen as a decimal, and why thanks :)

Mathematics
2 answers:
Dafna11 [192]3 years ago
8 0
0.4 is already written as a decimal because out of 4 out of 10 which is 40 percent.
The 10 is from where the 4 is for example the number 4 on your question is the tenth place so tenth place equals 10 so...
=4/10 
Alex777 [14]3 years ago
4 0
<span>To convert a percentage to a decimal divide by 100: 0.4% = 0.4 ÷ 100 = 0.004

</span><span>0.04</span>
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The revenue function for a sporting goods company is given by R(x)=x⋅p(x) dollars where x is the number of units sold and p(x)=4
Zina [86]

The maximum revenue generated is $160000.

Given that, the revenue function for a sporting goods company is given by R(x) = x⋅p(x) dollars where x is the number of units sold and p(x) = 400−0.25x is the unit price. And we have to find the maximum revenue. Let's proceed to solve this question.

R(x) = x⋅p(x)

And,  p(x) = 400−0.25x

Put the value of p(x) in R(x), we get

R(x) = x(400−0.25x)

R(x) = 400x - 0.25x²

This is the equation for a parabola.  The maximum can be found at the vertex of the parabola using the formula:

x = -b/2a from the parabolic equation ax²+bx+c   where a = -0.25,  b = 400 for this case.

Now, calculating the value of x, we get

x = -(400)/2×-0.25

x = 400/0.5

x = 4000/5

x = 800

The value of x comes out to be 800. Now, we will be calculating the revenue at x = 800 and it will be the maximum one.

R(800) = 400x - 0.25x²

= 400×800 - 0.25(800)²

= 320000 - 160000

= 160000

Therefore, the maximum revenue generated is $160000.

Hence, $160000 is the required answer.

Learn more in depth about revenue function problems at brainly.com/question/25623677

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5 0
1 year ago
How many feet are in 5 yards ?? Explain how you calculated your answer.
timurjin [86]

Answer:

15 feet

Step-by-step explanation:

1 yard = 3 feet

2 yards = 6 feet

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Ira Lisetskai [31]

Answer:

the number before the first variable (first term)

Step-by-step explanation:

this appears to be an incomplete question. The numerical coefficient of a term is the number before the variable.

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Answer:

Step-by-step explanation:

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