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stealth61 [152]
3 years ago
11

Prime factor tree of 385

Mathematics
1 answer:
timama [110]3 years ago
4 0


11*5*7 

385 breaks down to 7 and 55. Bring the seven down. Break 55 down to 11 and 5. Then bring those down and you get 11*5*7

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Radium-226 is a metal with a half-life of 1600 years. If you start with 1 kilogram of radium-226, how much will remain after 20,
erica [24]
Ending Amount = Beginning Amount / 2^n 
where 'n' = # of half lives
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Ending Amount = 1 kg / 2^12.5
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3 years ago
James is participating in a 5-mile walk to raise money for a charity. he has received $200 in fixed pledgesand raises $20 extra
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7 0
2 years ago
Find the length of the segment with endpoints of (3, 2) and (-3, -6).
nevsk [136]

The distance between (3, 2) and (-3, -6) is 10 units

The correct answer is B) 10

Further explanation:

Given points are:

(x1,y1) = (3,2)

(x2,y2)=(-3,-6)

The distance formula is given by:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Putting the values

d=\sqrt{(-3-3)^2+(-6-2)^2}\\=\sqrt{(-6)^2+(-8)^2} \\=\sqrt{36+64}\\ =\sqrt{100}\\d=10

The distance between (3, 2) and (-3, -6) is 10 units

Keywords: Magnitude, Distance

Learn more about magnitude at:

  • brainly.com/question/12876715
  • brainly.com/question/12933539

#LearnwithBrainly

8 0
3 years ago
Someone please help!!!!!!
zhuklara [117]

Answer:

The first one luv

Step-by-step explanation:

6 0
2 years ago
6.95 (5) + 1.50 what is the answer to that
IceJOKER [234]
The answer is 36.25.
7 0
3 years ago
Read 2 more answers
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