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iVinArrow [24]
3 years ago
6

Find the midpoint of the segment with endpoints of 6+3i and -12-5i

Mathematics
1 answer:
Vlad1618 [11]3 years ago
6 0
Remark
All you need do is add the two points  together and divide by 2.

\frac{6+ 3i - 12 - 5i }{2}

Group the like terms.

\frac{6-12 + 3i-5i}{2}
\frac{-6-2i }{2}
\frac{-6\div 2-2i\div2}{1}

Answer: Midpoint = -3 - i 
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A gym instructor has a total of 60 hand weight in her studio. Some of the hand weights are 3 pound weights and the rest are 5 po
Elden [556K]

Answer:

  • 35 5-lb weights
  • 25 3-lb weights

Step-by-step explanation:

Let t and f represent the numbers of three- and five-pound weights. The problem statement tells us ...

  f + t = 60

  f - t = 10

Adding these two equations, we get ...

  (f +t) +(f -t) = (60) +(10)

  2f = 70 . . . . . eliminate parentheses

  f = 35 . . . . . . divide by 2

She has 35 5-lb weights, and 25 3-lb weights.

8 0
3 years ago
Yara multiplies and divides a certain number by the same power of 10. The product she gets is 40,000 and the quotient she gets i
Elena L [17]
40,000 = 4 * 10^4
0.000004 = 4 * 10^-6
The power of 10 exactly in between 4 and -6 is -1.

She started with 4 * 10^(-1) which is 0.4.
0.4 * 100,000 = 40,000
0.4/100,000 = 0.000004

The number she started with is 0.4.
The power is 10^5.

8 0
3 years ago
A seamstress creates two aprons with a meter of cloth, how many aprons made with 15 yards of fabric?
melisa1 [442]
First we need to know how many meters that there are in a yard which is 1meter=1.09361 yards so now we need to find out how many meters that there are in 15 yards which is 13.716 now we take that times 2 because she can make 2 out of 1 meter which is 27.432 so the seamstress here can make roughly 27 aprons from 15 yards of fabric.

Enjoy!=)
7 0
3 years ago
I need help plsss anyone!! At least answer one of them!! U get points
igor_vitrenko [27]

what is the question.......

4 0
2 years ago
Find two coordinate points that make a slope of -5/7.
postnew [5]
The slope between 2 points (x1,y1) and (x2,y2) is
(y2-y1)/(x2-x1)
so

(y2-y1)/(x2-x1)=-5/7

y2-y1=-5
x2-x1=7

this is easy, if x1=0 and y1=0, then x1=7 and y2=-5

(0,0) and (7,-5) is a possible point
3 0
3 years ago
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