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3 years ago

PLEASE HELP!!!

Mathematics

1 answer:

Drupady [299]3 years ago

5 0

Answer:

t^2+4

Step-by-step explanation:

The perimeter of the table can be given by the equation 2l+2w, and we know the length is 2t-3, meaning 2(2t-3)+2w=2t^2+4t+2, as we know 2t^2+4t+2 is the perimeter. Simplifying we get:

4t-6+2w=2t^2+4t+2

4t+2w=2t^2+4t+8

2w=2t^2+8

w=t^2+4

This means that the table's width is t^2+4

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Problem Page

MrMuchimi

Answer:

1 machine must be made to minimise the unit cost.

Step-by-step explanation:

Step 1: Identify the function

x is the number of machines

C(x) is the function for unit cost

C (x) = 0.5x^2-150 + 21,035

Step 2: Substitute values in x to find the unit cost

C (x) = 0.5x^2-150 + 21,035

The lowest value of x could be 1

To check the lowest cost, substitute x=1 and x=2 in the equation.

When x=1

C (x) = 0.5x^2-150 + 21,035

C (x) = 0.5(1)^2-150 + 21,035

C (x) = 20885.5

When x=2

C (x) = 0.5x^2-150 + 21,035

C (x) = 0.5(2)^2-150 + 21,035

C (x) = 20887

We can see that when the value of x i.e. the number of machines increases, per unit cost increases.

Therefore, 1 machine must be made to minimise the unit cost.

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Answer:

X/Y

Step-by-step explanation:

You cannot divide two variables so you just leave it as a fraction

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4 years ago

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Can someone help me with my homework please

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Answer:

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3 years ago

A bag contains 20 marbles. These marbles are identical, except they are labeled with the integers 1 through 20. Five marbles are

faust18 [17]

Answer:

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Step-by-step explanation:

a. If you draw 5 marbles without replacement, the probability of getting an specific sequence would be

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1/3 ÷ 3 = $\frac{1}{9}$ for each

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