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aliina [53]
3 years ago
14

2.2x + 4.4 factor coefficient of the variable

Mathematics
1 answer:
Marianna [84]3 years ago
3 0
2(1.1x+2.2) this is a way to make the factorization
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There are 4 pieces of paper, numbered 10 to 13, in a hat. After another numbered piece of paper is added, the probability of pic
yKpoI14uk [10]

Answer: The fifth piece of paper could have any number 9 and less or 14 and greater.

Step-by-step explanation:  The list of choices is not given in the question, but it makes sense that the new number would not be a duplicate of any of the numbers 10, 11, 12, 13. Otherwise that would change the probability to 5/5.

So any other number could be a possibility.

5 0
3 years ago
Add or subtract as indicated and write the result in standard form 3i+(-6-i)
yKpoI14uk [10]

Answer:

B: -6+2i

Step-by-step explanation:

  • 3i + (-6 - i) =                ⇒ open parenthesis
  • 3i - 6 - i =                ⇒ simplify
  • -6 + 2i                     ⇒ answer in standard form of a+bi
5 0
3 years ago
Math thanks ik u like math
Mariulka [41]
Oh man maths hard ;( ...
6 0
3 years ago
Read 2 more answers
A soccer player uses her head to hit a ball up in the air from a height of 2 meters with an initial vertical velocity of 5 meter
Mandarinka [93]

Answer:1.32 s

Step-by-step explanation:

Given

The initial height of ball H=2 m

Initial velocity u=5 m/s

Height of ball at any instant is given by

H=-4.9t^2+5t+2

The ball will hit the ground when h=0

-4.9t^2+5t+2=0\\4.9t^2-5t-2=0\\t=\dfrac{5\pm\sqrt{25+4(4.9)(2)}}{2\times 4.9}\\t=\dfrac{5\pm\sqrt{64.2}}{9.8}\\t=\dfrac{5+8.01}{9.8}=1.32\ s\quad\text{Neglecting negative value of t}

3 0
2 years ago
I NEED HELP!!!
zepelin [54]
In order to answer this one, it's really really really really helpful if you know what the law of cosines says. In fact it's absolutely necessary. The law of cosines says if you know two sides of a triangle and the angle between them then you can use that information to find the length of the third side. In the picture you know the lengths of two sides and you know the angle between them. So you can use the law of cosines to find the length of the third sidethat. That's side AC.
6 0
3 years ago
Read 2 more answers
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