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3 years ago

Please, help!!!! Bussines Calc. I give 20 points. I need a full explanation.

Mathematics

2 answers:

Amanda [17]3 years ago

7 0

I believe you are trying to find the most Cheapest cost?

Since the area had to be 1200m^2 the most biggest numbers we could divide with is 30 x 40, which equals to 1200.

30 x 20 (expensive one the lower) = 600 (wall 3) + 20 x 20 = 1000 (wall 3 + wall 1)

40 x 13 (cheapter one the higher) = 520 (wall 4) + 32 x 13 = 936 (wall 4 + wall 2)

Add all together, $1936 to build the whole fence.

(I don't know for sure if I am right. If I am right, can I have a brainliest?)

maksim [4K]3 years ago

3 0

Answer:

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Step-by-step explanation:

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Pls help me i’ll do anything and hurry time limit. f(x) = 9 - x. evaluate f(-1)

aleksklad [387]

Answer:

f=x-9

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3 years ago

Read 2 more answers

Select the correct answer.

Nookie1986 [14]

Answer:

Correct option: C.

Step-by-step explanation:

(Assuming the correct function is R(x) = 2x^2 + 3x + 5)

To find the input value that gives the value of R(x) = 19, we just need to use this output value (R(x) = 19) in the equation and then find the value of x:

$R(x) = 2x^2 + 3x + 5$

$19 = 2x^2 + 3x + 5$

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Solving this quadratic function using the Bhaskara's formula (a = 2, b = 3 and c = -14), we have:

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3 years ago

Express 0.7033 as a mixed number

viva [34]

We can make 0.7033 an improper fraction by multiplying it by 10,000 to get:

7033/10,000

Note that this cannot be a mixed number because 10,000, the denominator, is greater than 7033, the numerator.

You may have misspelled or typoed the question, or the question might be wrong, because 0.7033 can't be written as a mixed number.

7 0

3 years ago

In a survey of 200 college students it is found that:61 like cooking32 like reading73 like video games19 like both cooking and r

Lostsunrise [7]

Given:

The number of total students = 200

The number of students like cooking = 61

The number of students who like reading = 32

The number of students who like both cooking and reading= 19

The number of students who like video games = 73

The number of students who like cooking and video games= 23

The number of students who like reading and video games = 92

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Required:

(a)

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2 years ago

The absolute value function can be defined using piecewise notation.

den301095 [7]

<h3>Answers:</h3>

A(10) = 10
A(0) = 0
A(-3) = 3
A(3.14159) = 3.14159
A(x) = 7 leads to either x = 7 or x = -7
A(x) = -5 has no solutions

=============================================

Explanations:

The piecewise function has two identities based on what the x input is.

If x = 0 or larger, then A(x) = x based on the top row.

Or, if x < 0, then A(x) = -x based on the second row.

So for an input like x = 10, we have A(10) = 10. The input is identical to the output. The same goes for x = 0 and x = 3.14159

Each output tells us how far away the input is from zero on the number line.

----------------

For a negative input, we'll use the second row

A(x) = -x

A(x) = -(x)

A(-3) = -(-3)

A(-3) = 3

Showing that the number -3 is exactly 3 units away from zero on the number line. In other words, |-3| = 3.

----------------

To solve A(x) = 7, we have to think what input(s) will lead to an output of 7.

What two numbers are 7 units away from zero on the number line? That would be -7 and 7.

If you plugged x = 7 into the piecewise function, you'll use the top row to get A(7) = 7. The bottom row will have A(-7) = 7.

-----------------

There are no solutions to A(x) = -5 because the result of an absolute value is never negative. Negative distances do not make sense, so that's why absolute value is defined this way.

If you tried x = 5 then A(5) = 5

Trying x = -5 leads to A(-5) = 5

There's no way to get a negative output.

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