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3 years ago

Gasoline costs 2.21 euro per liter in France. What is the price in dollars per gallon

Mathematics

1 answer:

Daniel [21]3 years ago

4 0

1G is equivalent to 3.7854L

Now you multiply that by the cost per L in Euros:

2.21(3.7854) = 8.365734

Now convert it to USD:

8.365734(2.21) = 18.48 USD per gallon

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FIXED

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Find all values of x such that √4x^2-\√x^2=6.

Assoli18 [71]

$The\ domain:\ x\neq0\\\\\dfrac{\sqrt{4x^2}}{\sqrt{x^2}}=6\\\\\dfrac{2|x|}{|x|}=6\\\\2=6\ FALSE\\\\Answer:\ No\ solution\ (x\in\O)$

4 0

4 years ago

4, 2, 4, 1, 8, 9, 7, 5, 2, 8

Oxana [17]

Answer:

Step-by-step explanation:

The range is the difference between the lowest and highest values. Since 9 is still the highest value, the range would not change by any amount by replacing 7 with 9.

4 0

3 years ago

section of a pipe's length and weight are in proportion. If 2.5 m of pipe weighs 10 kg, then A) 5 m of pipe weighs 30 kg. B) 5 m

motikmotik

We will proceed to resolve each case to determine the solution.

we know that

$2.5$ m of pipe weighs $10$ kg

by proportion

Find the weighs of each case

case A) $5$ m of pipe weighs $30$ kg

$\frac{10}{2.5}\frac{kg}{m}=\frac{x}{5}\frac{kg}{m}\\ \\2.5*x=5*10\\ \\x=50/2.5\\x=20\ kg$

$20\ kg\neq30\ kg$

therefore

The statement case A) is False

case B) $5$ m of pipe weighs $40$ kg

$\frac{10}{2.5}\frac{kg}{m}=\frac{x}{5}\frac{kg}{m}\\ \\2.5*x=5*10\\ \\x=50/2.5\\x=20\ kg$

$20\ kg\neq40\ kg$

therefore

The statement case B) is False

case C) $10$ m of pipe weighs $40$ kg

$\frac{10}{2.5}\frac{kg}{m}=\frac{x}{10}\frac{kg}{m}\\ \\2.5*x=10*10\\ \\x=100/2.5\\x=40\ kg$

$40\ kg=40\ kg$

therefore

The statement case C) is True

case D) $10$ m of pipe weighs $80$ kg

$\frac{10}{2.5}\frac{kg}{m}=\frac{x}{10}\frac{kg}{m}\\ \\2.5*x=10*10\\ \\x=100/2.5\\x=40\ kg$

$40\ kg\neq80\ kg$

therefore

The statement case D) is False

therefore

the answer is

$10$ m of pipe weighs $40$ kg

3 0

3 years ago

Read 2 more answers

The solution set of the inequality 2x − y > 2 consists of all the points __ ? the line __ ?

GalinKa [24]

Answer:

b - below; y = 2x − 2

Step-by-step explanation:

2x − y > 2
2x - y + y - 2 > 2 + y - 2
2x - 2 > y
y < 2x - 2

Solution is the points below the line y = 2x - 2

Correct option is:

b - below; y = 2x − 2

7 0

4 years ago

7. A line in the Cartesian plane passes through the points (1, 3) and (5, 4). What is the slope of the line? A. 1/4 B. –4/1 C. 4

mojhsa [17]

to calculate the slope m , use the ' gradient formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (1, 3) and (x₂, y₂ ) = (5, 4)

m = $\frac{4 - 3}{5 - 1}$ = $\frac{1}{4}$ → A

5 0

3 years ago