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Rainbow [258]
3 years ago
9

The amount of money it takes to fill up a gas tank varies directly with the number of gallons bought. It cost $21.87 to fill up

a car with gasoline with 9 gallons of gasoline. What is the constant of variation?
A) 0.41

B) 9

C) 2.43

D) 21.87
Mathematics
1 answer:
Kobotan [32]3 years ago
5 0

I believe the answer is C. 2.43

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.bertha dived 8 times more then vernon 54/8 = 6
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If f(x) = x2 – 6x + 14, what is f(-2)?
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Answer: −28

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How do u work this out and what's the answer
I am Lyosha [343]
1) you would need to turn both fractions so they have a common denominator, that would be 2 2/4 and 3/4
2) then subtract : 2 2/4 - 3/4, and you would subtract numerators and the whole number, but you keep the denominator the same. However, you cannot subtract 2 and 3 in this case, so you need to change 2 2/4 to 1 5/4 (they are still equivalent)
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3 years ago
The ratio of girls to boys in art class is 4:5 if there are 32 girls how many boys are there?
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8 0
3 years ago
NO LINKS!!!
allochka39001 [22]

Part A

  • Converse = "If corresponding angles are equal, then two lines are parallel"
  • Result = True

Explanation:

Refer to the converse of the corresponding angles theorem. The original version is stated as part A, and the converse is marked in bold above.

Conditional statements are of the form "if this, then that". Symbolically we can use the template "If P, then Q". The P and Q are placeholders for logical statements.

The converse of "if P, then Q" is "If Q, then P". We swap the positions of P and Q. Do not negate either piece.

========================================================

Part B

  • Converse = "If angle C is 70 degrees, then the sum of angles A and B is 110 degrees"
  • Result = True

Explanation:

Recall that for any triangle, the three interior or inside angles always add to 180 degrees. In short: A+B+C = 180. If C = 70, then A+B = 180-C leads to A+B = 180-70 and A+B = 110. This process can be reversed.

========================================================

Part C

  • Converse = "If two lines are not parallel, then alternate interior angles k and s are not equal"
  • Result = True

Explanation:

For more information, check out the converse of the alternate interior angles theorem. The regular version of the theorem is "If two lines are parallel, then the alternate interior angles are congruent".

The converse of this theorem flips things to say: "If alternate interior angles are congruent, then the lines are parallel".

========================================================

Part D

  • Converse = "If John loses his money, then he throws coins in the fountain"
  • Result = False

Explanation:

Throwing coins in a fountain is one way to lose money, but there are other ways. He could drop a coin somewhere, or leave the coin somewhere he forgot.

In other words, just because he lost his money does not mean he threw a coin in the fountain.

8 0
1 year ago
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