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Elza [17]
3 years ago
6

Find the midpoint of the segment with endpoints of −11 + i and −4 + 4i.

Mathematics
2 answers:
dsp733 years ago
5 0

Answer:

Step-by-step explanation:

The answer is -7.5+2.5i

Norma-Jean [14]3 years ago
3 0
The average of those two values is
  (-11-4 +i+4i)/2 = -(15/2) +(5/2)i
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What is the solution (x,y) to the system of equations below <br><br> x + 9y = 3<br> y= 1/3 x + 7
Alex_Xolod [135]

Let's solve this by substitution.


y is given by the 2nd eqn as y = (1/3)x + 7. Subst. (1/3)x + 7 into the first eqn as a replacement for y: x + 9( (1/3)x + 7) = 3.


clear out fractions by mult. all 3 terms by 3: 3x + 9x + 63 = 3


Combine like terms: 12x = -60. Then x = -5


Find y by subst. -5 for x in the 2nd equation: y = (1/3)(-5) + 7

= -5/3 + 35/3 = 30/3 = 10.


Thus, the solution (x,y) of this system is (-5,10).


4 0
3 years ago
Brainliest if correct
Y_Kistochka [10]

Answer:

It is the third option.

Step-by-step explanation:

Since when making an angle of 90º an equivalence is formed between the three points and when joining them the order of the figures is given.

3 0
3 years ago
Read 2 more answers
Which of the following is an example of a rational number that is not an integer? a. -3 b. 1 c. 1/3 d. 3
JulijaS [17]

Answer:

the answer is C.1/3

Step-by-step explanation:

Here is why  in mathematics, a rational number is a number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Since q may be equal to 1, every integer is a rational number.  Hope this helps. :)

5 0
3 years ago
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the sum of the speeds of two trains is 721.6 miles per hour. if the speed of the first train is 8.4 mph faster than that of the
olya-2409 [2.1K]

Subtract the faster speed:

721.6 - 8.4 = 713.2

Divide by 2 trains:

713.2/2 = 356.6

The slower train is going 356.6 miles per hour.

The faster train is going 356.6 + 8.4 = 365 miles per hour.

4 0
3 years ago
F - 3/4=5/6. Please answer soon thanks
ad-work [718]
F - 3/4 = 5/6
Add 3/4 to both sides to get
F = 5/6 + 3/4 = 19/12
5 0
3 years ago
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