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3 years ago

7

A baking class had 45 students on Monday and only 32 students on Tuesday. What was the change in percent? (Round to the nearest

hundredths)

1 answer:

andrey2020 [161]3 years ago

7 0

Answer:

28.89 percent

Step-by-step explanation:

45-32 is 13 and 13 is 28.89 percent of 45

Hope this helped!

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Answer:

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Step-by-step explanation:

Considering angle BAD is 60 degrees, that makes angle BCD also 60 degrees. Since parallelograms have 360 degrees in total, we're still missing 240 degrees. Since angles BAD and BCD are congruent (equal), that means that angles ABC and ADC also have to be congruent. To find their angles, we do 240 divided by 2, which equals 120. Now that we know all of the angles, lets focus on angle ADC. Since angle 1 has been given to us, all we need to do is subtract 78 from 120 which turns out to be 42 degrees, which is the answer.

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3 years ago

A fireworks display is launched from a platform 10 feet above ground with an initial upward velocity of 70 feet per second. The

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Answer: A. 87 feet

Step-by-step explanation:

1. You can find the t value of the vertex of the parabola as following:

$t=-\frac{b}{2a}$

2. Substitute values:

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Then:

$t=-\frac{70}{2(-16}$

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3. Substitute the vaue obtained into the equation given in the problem. Therefore, you obtain the following result:

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4. To the nearest foot:

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