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iren2701 [21]
3 years ago
14

HELP PLEASE ASAP!!!! 20 POINTS!!!!

Mathematics
1 answer:
Shalnov [3]3 years ago
8 0

\text{The formula of a midpoint:}\\\\\left(\dfrac{x_1+x_2}{2};\ \dfrac{y_1+y_2}{2}\right)\\\\\text{We have}\ R(-2b,\ 2c)\ \text{and}\ T(-2a,\ 0).\ \text{Substitute:}\\\\x=\dfrac{-2b+(-2a)}{2}=\dfrac{-2b}{2}+\dfrac{-2a}{2}=-b-a\\\\y=\dfrac{2c+0}{2}=\dfrac{2c}{2}=c\\\\Answer:\ \boxed{b.\ (-a-b,\ c)}

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How many solutions does -2z+2+4z=16/5+2z-6/5
kipiarov [429]

Answer:

Infinite. Please Mark Brainliest, this took a lot of effort.

Step-by-step explanation:

After going through the process of solving, you get 0=0, meaning true for all z

-2z+2+4z=16/5+2z-6/5

Group Like Terms

-2z+4z+2=16/5+2z-6/5

Add similar terms

2z+2=16/5+2z-6/5

Group Like Terms

2z+2=2z-6/5+16/5

<em>Combine the Fractions</em>

Apply the rule a/c plus or minus b over c equals a plus or minus b over c

=(-6+16)/5

Add/Subtract the numbers

=10/5

Divide the numbers

=2

2z+2=2z+2

Subtract 2 from each side

2z+2-2=2z+2-2

Simplify

2z=2z

Subtract 2z from each side

2z-2z=2z-2z

Simplify

0=0

Both sides are equal, true for all z

6 0
4 years ago
40 points!! Find the length of segment ZY in the given triangle.
mixas84 [53]

Answer:I don’t write English you should translate

Áp dụng tính chất của đường trung bình ta có:

20+x=2.(2x+22)

20+x=4x+44

X-4.x=44-20

-3.x=24

X=24/-3x=-8

Trong độ dài ko có độ âm nên tất cả đại lượng hình học đều mang dấu (+) vì vậy kết quả cuối cùng sẽ là 8

Step-by-step explanation:

4 0
3 years ago
Hey yall please help me I suffer from short time memory loss and it's hard for me to focus and remember Find the distance betwee
podryga [215]

Answer:

The distance between 2 points on a graph is given as:

root over of ((x2-x1)^2 + (y2-y1)^2)

using this formula we have,

root over of ((5-(-3))^2 + (1-(-4))^2

=root over of (64+25)= 9.43

Ans: the distance between A and b is 9.43 units.

3 0
3 years ago
The graph of f(x)=|x| is reflected over the y-axis and horizontally compressed by a factor of 1/9. Write a formula for function
Dmitry_Shevchenko [17]

Reflection over the y-axis = change x\mapsto -x

Compress by a factor of k = multiply by k

So, in your case, we first change the sign of the argument. Note that this has no effect, because f(x) is symmetric with respect to the y-axis:

|x|\mapsto |-x| = |x|

Then, we compress the function, multiplying it by the scaling factor:

|x| \mapsto g(x)=\dfrac{|x|}{9}

7 0
3 years ago
What is the number that satisfies x is &gt; or equal to 10
bonufazy [111]
Any number greater than 9
3 0
4 years ago
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