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Olegator [25]
3 years ago
6

The car wash owner uses the equation y=x+44 to model the data, where x represents the number of days the business has been open

and y represents the number of cars washed.
SAT
1 answer:
valina [46]3 years ago
5 0
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What is the inverse of f(x)=3x-5/2?
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How do you solve this without using a calculator
My name is Ann [436]

Answer:

A

Explanation:

You must know the basics of Trigonometry to solve this.

First, you must know that

\frac{3\pi}{4}

lies in the second quadrant, so sin is negative.

Next, since

pi/4, is the reference angle of 3 pi/4, this means that we can set up a right triangle with pi/4 as an angle, we get

\cos( \frac{3\pi}{4} )  =  \frac{ \sqrt{2} }{2}

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So the answer is A

8 0
2 years ago
0= (2y-1) (8-y) Let the y = u and y = d be unique solutions to the equation above. What is the value of u ⋅ d?
mariarad [96]

Answer:  The value of u · d = 4

Explanation:  

(2y -1) = 0 , 2y = 1  ,  y = 1/2 .  u = 1/2

(8-y)=0  y = 8  d = 8

Substitute values for u·d   1/2 · 8 = 4

7 0
3 years ago
Which is true about the compounds carbon monoxide (co) and carbon dioxide (co2)?
Airida [17]

Answer:

Carbon Dioxide (CO2) is a chemical compound consisting of one carbon atom and two oxygen atoms. ... Carbon Monoxide (CO) is a chemical compound which contains one carbon atom and one oxygen atom and is also a colourless and odourless gas. Unlike CO2, it is entirely human-made and is not naturally present in the atmosphere.

Explanation:

6 0
2 years ago
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