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worty [1.4K]
3 years ago
9

Each person in a group of 12 has one pet. Three people have a cat, 2 people have a dog, and the rest have a bird. What is the pr

obability of a person having a cat or a dog?
Mathematics
2 answers:
AVprozaik [17]3 years ago
7 0
5 out of 12.
3 cats + 2 dogs =5
12= out of everyone w a pet
katrin2010 [14]3 years ago
4 0

Answer:

63 % for cats and 37 % for dogs

Step-by-step explanation:

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What is the nearest whole percent of 45
kvv77 [185]

Answer:

Step-by-step explanation: 45% based on the way you state the question. 45% is a whole percent.

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3 years ago
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Convert Зcis 180° to rectangular form.<br> А. -3<br> в. -3i<br> с. з<br> D. Зі.
Sunny_sXe [5.5K]

Answer:

-3

Step-by-step explanation:

3 cis(180^\circ) means 3(\cos(180^\circ)+i \sin(180^\circ))

What is the x-coordinate value that corresponds to \theta=180^\circ. That value is -1.

What is the y-coordinate value that corresponds to \theta=180^\circ. That value is 0.

So this implies \cos(180^\circ)=-1 \text{ and } \sin(180^\circ)=0.

3 cis(180^\circ)  

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5 0
3 years ago
What is the answer to this question?
MrRa [10]

Answer:

20 i think

Step-by-step explanation:

3 0
2 years ago
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A barrel of oil was filled at a constant rate of 7.9 gal/min. The barrel had 12 gallons before filling began.
jenyasd209 [6]

The equation that models this situation is z = 7.9y + 12.

A linear equation is a function that has a single variable raised to the power of 1.  An example is x = 4y + 2.

Where:

  • 2 is the constant
  • x = dependent variable
  • y = independent variable  

From the equation given, 12 would be the constant, the independent variable would be 7.9 and z would be the dependent variable.

z = 7.9y + 12

Here is the complete question: A barrel of oil was filled at a constant rate of 7.9 gal/min. The barrel had 12 gallons before filling began. write an equation in standard form to model the linear situation.

A similar question was answered here: brainly.com/question/2238405

4 0
3 years ago
Solve the proportion 18/30 = 12/n. what does N equal?​
natita [175]
So you are going to want to cross multiply getting 18x=360 then from there you divide gettin x=20
8 0
3 years ago
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