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bulgar [2K]
3 years ago
10

On the last math test in Kenzie’s class, 17 out of 25 students scored an 80 or higher. Which percent is closest to the experimen

tal probability that a student selected at random will score an 80 or higher on the next test?
Mathematics
1 answer:
kaheart [24]3 years ago
7 0

Answer

There is a 68 percent that a student selected a random will score an 80 or higher on the next test.

Explanation

You just need to find the percentage of 17 out of 25, or 17/25.

You can do this by dividing 17 by 25.

17/25 equals 0.68, or 68 percent.

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What is the sum of all the angles that are labeled?
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Answer:

235

Step-by-step explanation:

Add the labeled angles

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235

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ehidna [41]

Answer: The solution is (3, -2)

This means that x = 3 and y = -2 pair up together.

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

Explanation:

The solution is where the two lines cross. Note if we started at the origin (0,0) and moved to the right 3 units, and then down 2 units, we would arrive at the location (3, -2).

-----------------

As a way to check, we can plug x = 3 into each equation. We should get y = -2 as a result for each equation

y = (-5/3)x + 3

y = (-5/3)*3 + 3

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The first equation is confirmed. Let's check the second equation

y = (1/3)x - 3

y = (1/3)*3 - 3

y = 1 - 3

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Both equations have the y value equal -2 when x = 3. Therefore, the overall solution is confirmed.

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2 years ago
the loudness, L, measured i in decibels (Db), of a sound intencity, I, measured in watts per square meter, is defined as L=10log
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Step-by-step explanation:

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4 years ago
What is the absolute value of -3 1/2?
Lana71 [14]

Answer:

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Step-by-step explanation:

The absolute value of a number is its distance from 0.

In this case the absolute value of -3 1/2 is 3 1/2.

Another way to write is I-3 1/2I

Using the absolute value bar

<u><em>Please rate this and please give brainliest. Thanks!!! </em></u>

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Answer:

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