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MAXImum [283]
3 years ago
5

Which quadratic function best fits this data?

Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
5 0

This was answered in some detail for you at brainly.com/question/10690391

The decreasing rate of rise suggests a downward-opening parabola would work best. Of those, the third choice offers the best match to the given data.

... y = -11.41x²+154.42x-143.9

_____

A graphing calculator can do the quadratic regression for you. Doing that gives you coefficients that substantially match those in the answer choice above.

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which of the following is a counterexample of the statement, "the sum of an odd number and an even number is always positive"? -
creativ13 [48]

Answer:

first one -4+3 is -1 not 1

8 0
3 years ago
Read 2 more answers
You and your friend each start a car-washing service. You spend $25 $ 25 on supplies and charge $10 $ 10 per car. Your friend sp
photoshop1234 [79]

Answer:

if you wash 13 cars, you will earn 13*10= 130 $

your friend will also learn 130 $ but he only need to wash 130/13= 10 cars

SO the number of the car you have to wash is 13 cars

Step-by-step explanation:


5 0
3 years ago
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If the product of the integers a, b, and c is 1, then what is the difference between the largest and the smallest possible
stepladder [879]
Since there are no multiples other than 1 and -1 that could multiply in any way to equal 1, those are the only numbers you can really work with

it is a possibility that a, b, and c could equal 1 but then it would go wrong when comes time to subtract since all numbers are equal and cannot subtract largest from smallest.

a logical approach would be to try -1, -1, and 1 since -1 * -1 = 1 and then 1* 1 =1

we can make a= -1 , b= -1, and c= 1
 (we need b to equal -1 so that we get an answer of -1 opposed to if we made a=-1 and c=-1, all outcomes would equal 1)
-1²=1
-1³=-1
1⁴= 1
since 1 is the largest possible outcome and -1 is the lowest possible outcome you should subtract the two

1-(-1) = 1+1 = 2

The answer should be D: 2
 
hoped this helped at all!
5 0
3 years ago
Jayden is filling his 290 gallon pool with a garden hose. The garden hose produces 29 gallons of water per hour. How long will i
astra-53 [7]

Answer:

10 hours

Step-by-step explanation:

290 divided by 29 = 10

check to see if its correct 29 multiple by 10 is 290

4 0
3 years ago
What is the value of x, y and z?
sergeinik [125]

Answer:

The value is 25 x 6y

Step-by-step explanation:

8 0
3 years ago
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