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Luda [366]
2 years ago
15

A "B" grade on a test is 85%. How many questions can you miss on a 35-question exam and get a B.

Mathematics
2 answers:
vekshin12 years ago
4 0

Answer:

5

Step-by-step explanation:

If all question are worth same same amount of points, you can miss 5 questions out of 35 and get an 86. If you miss 6 questions you would get an 83.

hope this helped!

PSYCHO15rus [73]2 years ago
3 0

Answer:

5

Step-by-step explanation:

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The amount of chlorine in a swimming pool is proportional to the volume of water. The pool has 2.5 milligrams of chlorine per li
stira [4]

Answer:

There are <u>20,000 milligrams</u> chlorine in the pool.

Step-by-step explanation:

Given:

The chlorine per liter of water in the pool is 2.5 milligrams.

The  volume of water in the swimming pool is 8000 gallons.

Now, to find the quantity of chlorine in the pool.

Let the quantity of chlorine be x.

The gallons of water in the swimming pool = 8000.

The milligrams of chlorine per liter of water in the pool = 2.5.

According to question, the amount of chlorine in the swimming pool is proportional to the volume of water.

So, 2.5 mg of chlorine is equivalent to 1 liter.

Thus, x is equivalent to 8000.

Now, to get the quantity of chlorine by using cross multiplication method:

\frac{2.5}{1} =\frac{x}{8000}

<em>By cross multiplying we get:</em>

20000=x\\\\x=20,000\ mg.

Therefore, there are 20,000 milligram chlorine in the pool.

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3 years ago
An amusement park charges $5 for admission and $.80 for each ride. You go to the park with $13. Which inequality represents this
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Answer:

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Step-by-step explanation:

7 0
3 years ago
Angela left for work at 8:30 a.m. She returned to school at 11:30 a.m. How long was Angela at work?
Dimas [21]

Answer:

Angela was at work for 15 hrs.

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3 years ago
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3 years ago
What is XY=7a YZ=5a Xz=6a+24 In geometry
Cloud [144]

In light of the fact that point y is the point at which segment xz is divided, the value of the variable an is equal to 4.

<h3>How can I determine what the value of the variable an is?</h3>

Due to the fact that point y divides segment xz into two distinct halves, the following equation may be used to get segment xz's total length:

xz = xy + yz.

The following are the parameters for the test:

xy = 7a. yz = 5a. xz = 6a + 24.

As a result, we need to substitute into the equation and then solve for a.

xz = xy + yz

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6a = 24

a = 24/6

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Read more on segment

brainly.com/question/17430860

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8 0
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