3 years ago

Help Geometry I need this answer please

1 answer:

7 0

According to the vertical angle theorem, vertical angles are congruent.

So, we can set up the equation 7x+1=120.

Solve.

7x=119
x=17

Since the only answer choice with x=17 is the last choice, it is the answer.

Hope this helps!

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algol13

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Step-by-step explanation:

Let be "x" the amount of gasoline in liters that the car's tank had at the beginning of the trip.

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$\frac{2}{3}x$

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$x-\frac{2}{3}x=\frac{1}{3}x$

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4. The total amount ot gasoline used in this trip was 20 liters.

5. Then, with this information, you can write the following equation:

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6. Finally, you must solve for "x" in order to find its value. This is:

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3 years ago