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oksano4ka [1.4K]
4 years ago
9

Is xy^2+3x-4y^-1 a polynomial or not?

Mathematics
1 answer:
Fiesta28 [93]4 years ago
6 0

Answer:

Yes it is

Step-by-step explanation:

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Please send ans in full​
Katen [24]

Area of rectangle = l × b

l = 70cm

b = 8cm

Area = 70 × 8 = 560cm²

Area of rectangle = l × b

l = 78cm

b = 15cm

Area = 78 × 75 = 1170cm²

7 0
3 years ago
Read 2 more answers
At the beginning of an experiment, there are 400 grams of contaminants. Each hour, three-fourths of the contaminants are filtere
snow_tiger [21]

Answer:

thats 300 grams filtered out per hour

Step-by-step explanation:

so 4/4ths of 400 is 400 but taking 3/4ths is turning it too 100 grams

4 0
3 years ago
Is the function y= – x+3 linear or nonlinear?
scoray [572]

Answer:

It is linear and it is so named because when we graph this equation, it shows up as a straight line.

Step-by-step explanation:

3 0
4 years ago
Read 2 more answers
A set of ordered pairs (x, y) is called a . It may or may not also be a function.
Pani-rosa [81]

Answer:

A relation is a set of ordered pairs.

Step-by-step explanation:

The set of all first components of the ordered pairs is called the domain of the relation and the set of all second components of the ordered pairs is called the range of the relation.

5 0
4 years ago
Read 2 more answers
A 50 ml IVPB bag of ampicillin 500 mg in normal saline is to be run in over 20 minutes. What is the infusion rate in ml/hr?​
Leona [35]

Using proportions, it is found that the infusion rate is of 150 ml/hr.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

In this problem, 50 ml are administered over 20 minutes. How much is administered over one hour = 60 minutes? The <em>rule of three</em> is:

50 ml - 20 min

x ml - 60 min

Applying cross multiplication:

x = 50(60)/20

x = 50(3)

x = 150.

The infusion rate is of 150 ml/hr.

More can be learned about proportions at brainly.com/question/24372153

7 0
2 years ago
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