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TiliK225 [7]
3 years ago
9

I need help with this question

Mathematics
2 answers:
raketka [301]3 years ago
4 0
I think associative, because it is the same thing in a different order. 
Firlakuza [10]3 years ago
3 0
I think the answer would be associative 
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Please help ASAP! Find the midpoint between the complex numbers.
Ivenika [448]
\bf \begin{cases}
z1=9-9i\implies &(9~,~-9)\\
z2=10-9i\implies &(10~,~-9)
\end{cases}

\bf ~~~~~~~~~~~~\textit{middle point of 2 points }\\\\
\begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
%  (a,b)
&&(~ 9 &,& -9~) 
%  (c,d)
&&(~ 10 &,& -9~)
\end{array}\qquad
%   coordinates of midpoint 
\left(\cfrac{ x_2 +  x_1}{2}\quad ,\quad \cfrac{ y_2 +  y_1}{2} \right)
\\\\\\
\left( \cfrac{10+9}{2}~~,~~\cfrac{-9-9}{2} \right)\implies \left( \cfrac{19}{2}~~~,~~\cfrac{-18}{2} \right)
\\\\\\
\left( \cfrac{19}{2}~~~,~~-9 \right)\implies \left( 9\frac{1}{2}~~~,~~-9 \right)
3 0
3 years ago
Solve the inequality<br> 2(4+2х)&gt;5x+5
Gre4nikov [31]

Answer:

3>=3

Step-by-step explanation:

2(4+2x)>=5x+5

distribute the 2: 8+4x>=5x+5

8>=x+5

3>=x

8 0
3 years ago
Read 2 more answers
Taylor is 15 years younger than Marty. Twice Marty’s age added to three times Taylors age totals 205. What are the ages of Taylo
Inessa05 [86]

Answer:

Taylor's age = x = 35 years

Marty's age = y = 50 years

Step-by-step explanation:

Let

Taylor's age = x

Marty's age = y

Taylor is 15 years younger than Marty.

x = y - 15

Twice Marty’s age added to three times Taylors age totals 205.

205 = 2y + 3x...... Equation 1

Therefore, we substitute y - 15 for x in

205 = 2y + 3x...... Equation 1

205 = 2y + 3(y - 15)

205 = 2y + 3y - 45

Collect like terms

205 + 45 = 5y

250 = 5y

y = 250/5

y = 50 years

x = y - 15

x = 50 - 15

x = 35 years

Solving for x

Therefore:

Taylor's age = x = 35 years

Marty's age = y = 50 years

6 0
3 years ago
A regular polygon is always convex.<br> False<br> True
notka56 [123]

Answer:

True

Step-by-step explanation:

In a convex polygon, each interior angle measures less than 180 degrees. A triangle is always convex and regular polygons are always convex.

6 0
3 years ago
Read 2 more answers
Can you help me ASAP please?
serg [7]
I think it's (3) Calculate the nth term rule of the sequence (I think the answer to the equation is 8xy+36x+6y+9)
4 0
3 years ago
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