3 years ago

Quadrilateral with only one set of perpendicular

Mathematics

1 answer:

Lelechka [254]3 years ago

8 0

Square because perpendicular means 90 degrees angle.

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3 years ago

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Two trains leave stations 330 miles apart at the same time and travel toward each other. One train travels at 65 miles per hour

BARSIC [14]

Answer:

Both trains will meet at 2.2 hours (2 hours and 12 minutes).

Step-by-step explanation:

Relative Speed

If two moving objects are traveling through the same line and have speeds v1 and v2 respectively, their relative speed is vr = v1-v2.

Both trains travel toward each other, which means their speeds are of opposite signs.

Let's assume the first train has a positive speed of 65 mph, and the second train has a negative speed of -85 mph. Then, the relative speed is vr = 65 + 85 = 150 mph.

To calculate the time they take to meet, we apply the formula:

$\displaystyle t=\frac{x}{vr}$

$\displaystyle t=\frac{330}{150}=2.2\ hours$

Both trains will meet at 2.2 hours (2 hours and 12 minutes).

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3 years ago

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The answer is in my attachment

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Maureen is making trail mix. She uses 8 ounces of granola and 2 ounces of raisins in her recipe. Fill in each statement. For eve

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Answer:

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Step-by-step explanation:

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3 years ago

you've got a summer job renting beach umbrellas and chairs to tourists at the beach. part of your job is to encourage people to

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Answer:

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Step-by-step explanation:

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