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Strike441 [17]
3 years ago
8

The graph shows the relationship between the number of gallons of fuel remaining in the tank of a semitruck and the number of mi

les traveled by the semitruck.
Which function can be used to find y, the number of gallons of fuel remaining in the tank of the semitruck after it has traveled x miles?

Mathematics
2 answers:
Likurg_2 [28]3 years ago
6 0

Answer:

the first person is wrong

Step-by-step explanation:

the answer is -1/10x+240

Fofino [41]3 years ago
3 0

Answer: y= 240x - 10

Step-by-step explanation:

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8 0
3 years ago
Prove Forall x elementof Z, x^2 - 5x - 1 is odd.
Diano4ka-milaya [45]

Answer with Step-by-step explanation:

Let Z be a set of integers

We have to prove that x^2-5x-1 is odd for all value of x \inZ.

There are two cases

1.When x is an odd integer number

2.when x is even integer number

1.When x is an odd integer  number

When x is positive odd integer

Then x^2  is positive odd number (because square of odd positive number is always positive an odd number )

5x is also odd number

-5x -1 = -even number

Suppose x=3

Then -15-1=-16

Odd number - even number=Odd number

Hence ,x^2-5x-1 is an odd number .

When x is negative odd number

Then  x square is positive odd number  and 5x is negative odd term term

Therefore,odd number + odd number -1=Even  number -1=Odd number

Hence x^2-5x-1 is an odd number.

2.When  x is an even number

When x is positive even number

x square is positive even number  and 5x is positive even number

Even number -Even number -1 =Even number -odd number =Odd number

Suppose x=4

x^2-5x-1=16-20-1=-5=Odd number

When x is negative even number

Then x square is positive even number  and 5x is negative even number

x^2-5x-1=Even number +Even number -1=Even number -1=Odd number

Hence, for all elements of Zx^2-5x-1is odd.

7 0
3 years ago
Awarding BRAINLIEST! Please help!!
MariettaO [177]
The correct answer is -1/3.
8 0
3 years ago
Read 2 more answers
I don't understand help
TiliK225 [7]
First arrange numbers
14,15,15,17,19,20,21,23,24
19 is median
15+15/2=15 is first quartile
7 0
2 years ago
SOMEONE PLEASE HELP ME ASAP PLEASE!!!​
Tom [10]

Answer:

A = 35 cm^2

Step-by-step explanation:

The area of a triangle is

A = 1/2 bh where b is the base and h is the height

A = 1/2 ( 10)(7)

A = 35 cm^2

5 0
3 years ago
Read 2 more answers
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