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Lelechka [254]
3 years ago
10

Marissa used the set of ordered pairs below to graph a relation.

Mathematics
2 answers:
Alekssandra [29.7K]3 years ago
7 0
Second one.Domain is the x-axis.
Rudiy273 years ago
4 0

Answer:

(3,2,4).............

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Teresa is buying glitter markers to put in gift bags The table shows the relationship between the number of gift bags and the nu
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2 years ago
2. What is 9 squared. <br> a. 3<br> b. 81<br> C. 18<br> O d. 11
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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
Evaluate (m4 + 5) – n<br> (m+ + 5) – n3 if m = -2 and n = -4.
Y_Kistochka [10]

Answer:

69

Step-by-step explanation:

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