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butalik [34]
2 years ago
8

Alexa is planning to drive across the United States in her car. She started making a table to represent the proportional relatio

nship between gallons of gas and miles driven. The table shows how far she can travel for each gallon of gas that she uses.
What is the constant of proportionality?
____miles per gallon
Mathematics
2 answers:
sukhopar [10]2 years ago
8 0
"of" (and any subsequent words) was ignored because we limit queries to 32 words.
AysviL [449]2 years ago
6 0

Answer:

well avtually 3c/1919 + 3838™{{} = 20 ahichsa

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What's the answer for this 2 + 2 =
creativ13 [48]

4

claculations

2 + 2 = 4

5 0
2 years ago
Can you help me solve this equation?
dem82 [27]

Sure

Answer:

x = -2

If the steps aren't belong to the lesson that you want, just tell me the lesson title so I can get the answer for you !!!!

...

The steps

Multiply all terms by (x-3)(x+3) and cancel:

x(x+3)+2x(x−3)=18

3x2−3x=18(Simplify both sides of the equation)

3x2−3x−18=18−18(Subtract 18 from both sides)

3x2−3x−18=0

3(x+2)(x−3)=0(Factor left side of equation)

x+2=0 or x−3=0(Set factors equal to 0)

x=−2 or x=3

Check answers. (Plug them in to make sure they work.)

x=−2 (Works in original equation)

x=3 (Doesn't work in original equation)

7 0
2 years ago
Which of the following are possible discriminants for a quadratic function that crosses the x-axis twice? Check all that apply.
Sedaia [141]

Answer:

1001

1

Step-by-step explanation:

If a quadratic function crosses the x-axis twice, it has two solutions. For a quadratic function in ax^2+bx+c with discriminant b^2-4ac, the following is true:

  • If b^2-4ac>0, then the quadratic has two real solutions
  • If b^2-4ac=0, then the quadratic has one real solution
  • If b^2-4ac, then the quadratic has no real solutions

Therefore, in order to have two solutions, a quadratic's discriminant must be larger than 0. The only two answer choices that satisfy this are 1001 and 1.

7 0
2 years ago
Which of the following equations shows "twice a number is eighteen?"
S_A_V [24]

I don't see the answer choices, but 2 equations you could use to get eighteen would be:

9 × 2 = 18

     OR

9 + 9 = 18

See? Twice a number is eighteen. You can use any of my equations to get eighteen

↑   ↑   ↑ Hope this helps! :D

3 0
3 years ago
Which of the following transformations has the same result as a rotation of 90 degrees clockwise?
krek1111 [17]
The best and most correct answer among the choices provided by your question is the second choice or letter B.

Reflection of a horizontal line <span>has the same result as a rotation of 90 degrees clockwise.</span>

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
3 0
3 years ago
Read 2 more answers
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