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Cerrena [4.2K]
2 years ago
5

A color printer prints 21 pages in 6 minutes. How many pages does it print per minute?

Mathematics
1 answer:
masya89 [10]2 years ago
3 0

Answer:

3.5

Step-by-step explanation:

21  (pages) divided by 6 (minutes) = 3.5 per minute

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Write a polynomial with rational coefficients having roots 3,3+i and 3-i
Elena L [17]
Part 1: If the roots of a polynomial are a, b, and c, then the factors can be written in the form (x - a), (x - b), and (x - c). In this case, we have (x - 3), (x - [3 + i]), and (x - [3 - i]). The three factors are (x - 3)(x - 3 - i)(x - 3 + i).

Part 2: The two factors with complex terms are (x - 3 - i)(x - 3 + i), and multiplying these terms as a difference of two squares can give:
(x - 3)^2 - i^2 = x^2 - 6x + 9 - (-1) = x^2 - 6x + 10

Part 3: We now multiply (x^2 - 6x + 10) by the remaining factor of (x - 3). This results in the cubic expression:
(x^2 - 6x + 10)(x - 3)
= x^3 - 3x^2 - 6x^2 + 18x + 10x - 30
= x^3 - 9x^2 + 28x - 30
3 0
3 years ago
I need some help with this, can someone help me?
Lina20 [59]

Answer:

D. Paul can type 3/4 as fast as Jennifer

Step-by-step explanation:

60/80 = 3/4

3 0
3 years ago
Which one of the following numbers will appear farthest to the left on a number line?Which one of the following numbers will app
Viefleur [7K]
-6.04 is the farthest left on a number line.

3 0
3 years ago
Find the circumference of a circle with radius 63mm
aleksandr82 [10.1K]
Circumference = 2 * PI * radius
Circumference = 2 * 3.14159265 * 63
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3 0
3 years ago
Select the correct interpretation of the probability of getting an 11 when a pair of dice is rolled. Interpret an event as signi
JulijaS [17]

Answer:

1/18

Step-by-step explanation:

We are considering that we have 2 dices with 6 faces each (so, the probability to gettig any face in any dish is 1/6). To get an 11, we only have two ways to obtain it:

Dice 1= 6 and Dice 2 =5

or

Dice 1= 5 and Dice 2 =6

So, the probability of the event is given as:

P(Dice1=5 ∧ Dice2=6) ∪ P(Dice1=6 ∧ Dice2=5) = P(Dice1=5) x P(Dice2=6) + P(Dice1=6) x P(Dice2=5) = 1/6 x 1/6 + 1/6 x 1/6 = 1/36 + 1/36 = 2/36 = 1/18.

As 1/18 = 0,055, and 0,055 > 0,05, we consider the event as not significative (according to the definition of significance in the sentence).

7 0
3 years ago
Read 2 more answers
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