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babunello [35]
3 years ago
11

Suppose the linear regression line y = 2.009x - 37.131 predicts a pizza a

Mathematics
1 answer:
coldgirl [10]3 years ago
8 0

Answer:

$515.35

Step-by-step explanation:

y-hat = 2.009x - 37.131

y-hat = 2.009(275) - 37.131

y-hat = 552.475 - 37.131

y-hat = 515.344

Therefore, the pizza parlor can expect a profit of $515.35 if it sells 275 pizzas.

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A class makes a rectangular banner out of 20 smaller rectangles with the demensions shown. the demention is 3/5 by 1/3 ft
alina1380 [7]

<u>Area of Banner is  4 sq.ft.</u>

<u>Step-by-step explanation:</u>

Class made 20 smaller rectangles

dimension of each rectangle =  3/5 ft × 1/3 ft

Area f banner  = 20 * ( area of 1 rectangle)

⇒ 20 * ( 3/5 * 1/3 )

⇒  20 * 0.2

⇒  4 sq.ft

<u>Area of Banner is  4 sq.ft.</u>

<u></u>

7 0
4 years ago
the volume of a gas varies inversely as the pressure upon it. if the volume of the gas is 160 cubic centimeters at a pressure of
marin [14]
It was stated in the problem that a given volume of a is inversely proportional with the pressure of the system. It means that the as the volume increases, the pressure would decrease and as the volume decreases, the pressure would increase. We would express it as:

V α 1/P

To change it to an equality, we introduce a proportionality constant, k. We do as follows:

V = k/P

So, to determine what is asked, we need to first calculate for the value of k.

V = k/P
At V = 160 m^3 P = 108 cmHg
160 = k / (108)
k = 17280

Thus, at P = 87 cmHg 
V = 17280 / 87 
V = 198.62 m^3
4 0
3 years ago
Find the quotient.<br>7.6)69.54<br>Show how to check your answer.​
timama [110]
<h2>Answer:</h2><h2>The quotient when 69.54 is divided by 7.6 is 9.15</h2>

Step-by-step explanation:

We have to divide, 69.54 by 7.6

Therefore, the quotient is 9.15 with remainder 0

To check the answer, multiply 9.5 by 7.6, we get the product as 69.54

Therefore, the quotient when 69.54 is divided by 7.6 is 9.15

7 0
3 years ago
EXPERT HELP I'LL GIVE BRAINLIEST: EXPLAIN THE ANSWER
Katyanochek1 [597]

Answer:

C

Step-by-step explanation:

Hey There!

So the answer is C because essentially answer choice c is saying that you can predict what the amount of problems that the next kid would complete in 30 minutes because all of the samples have a mean of 15.6-15.9 or that all of the samples are reliable because all of the means are near each other

And if you didnt know the mean is the average of all of the numbers in the sample

There C is your answer

8 0
3 years ago
Read 2 more answers
the weight of an object on mars varies directly as the weight of the object on earth a 90 pound object on earth weighs 34 pounds
Mariulka [41]

We have been given that the weight of an object on the mars varies directly as the weight of the object on earth.  

Let y be weight of an object on Mars and x be weight of an object on Earth.

\\&#10;y=kx

We have been given that the weight of an object on Mars is 34 pounds and weight of the same object on Earth is 90 pounds.

Putting the given values in equation we get

\\&#10;34=k(90)\\&#10;\\&#10;k=\frac{34}{90}=\frac{17}{45}

Therefore, our equation now becomes

\\&#10;y= \frac{17}{45}x

Now we have been given that the weight of an object on Earth is 135 pounds and we have to find the weight of the same object on Mars,

We have been given that \\&#10;x=135

Putting the given values in our equation we get

\\&#10;y= \frac{17}{45}(135)=\frac{17\cdot 135}{45}=17\cdot 3 = 51

Therefore weight of the object on Mars will be 51 pounds.

                                                                             

7 0
4 years ago
Read 2 more answers
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