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Alika [10]
3 years ago
11

A company has determined that its weekly profit is a function of the number of items that it sells. Which equation could represe

nt the weekly profit in thousands of dollars, y, when the company sells x items?
A. y^2=4x^2-100
B. y= -x^2+50x-300
C.x= -y^2+60y-400
D.x^2=-6y^2+200
Hello! im curious about the process to answer this question, if you could include the process that would be great! ty
Mathematics
2 answers:
Scilla [17]3 years ago
8 0

Answer:

B

Step-by-step explanation:

Vilka [71]3 years ago
6 0

Eliminate answer choices C and D immediately, since we are not looking to solve for either x or x^2; rather, we want the weekly profit (y) when the company sells x items. Eliminate choice A, because we are not looking to calculate the profit squared. This process of elimination of unsuitable answers leaves us with answer choice B, in which y is the the weekly profit in thousands of dollars, y, when the company sells x items.

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gizmo_the_mogwai [7]

Answer:

x=\frac{7}{5}

y=-\frac{22}{5}

Step-by-step explanation:

Given:

The given expressions are.

6x+y=4

x-4y=19

We need to find x and y values.

Solution:

Equation 1⇒ 6x+y=4

Equation 2⇒ x-4y=19

First solve the equation 1 for y.

6x+y=4

y = 4-6x --------(3)

Substitute y = 4-6x in equation 2.

x-4(4-6x)=19

Simplify.

x-(4\times 4 - 4\times 6x)=19

x-(16-24x)=19

x-16+24x=19

Add 16 both side of the equation.

25x-16+16=19+16

25x=35

x=\frac{35}{25}

Divide Numerator and denominator by 5.

x=\frac{7}{5}

Substitute x value in equation 3 and simplify.

y=4-6(\frac{7}{5})

y=4-\frac{6\times 7}{5}

y=4-\frac{42}{5}

y=\frac{5\times 4-42}{5}

y=\frac{20-42}{5}

y=-\frac{22}{5}.

Therefore, the value of x=\frac{7}{5} and y=-\frac{22}{5}.

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Deffense [45]

Answer:

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Ilya [14]

Answer:

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In this case intersection of E and B is 3 and 8.

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Hope this helps

Step-by-step explanation:

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4 years ago
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STALIN [3.7K]
16\cdot1+2\cdot100+9\cdot10=16+200+90=306
8 0
3 years ago
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Pls help me I think that it is reciprocal trigonometric ratios
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Answer:

67.38 degrees

Step-by-step explanation:

this is a right triangle so we can use sohcahtoa

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we know the side opposite to A as well as the hypotenuse. 13 is the hypotenuse because it is opposite the right angle

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