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GalinKa [24]
3 years ago
10

I need help with geometry homework​

Mathematics
1 answer:
sasho [114]3 years ago
6 0
A. This is a what YOU think... how do YOU see it. to me, it looks like it lays down on its left side ... it spun to the left or rotated 90 degrees to the left (of course it could have rotated 270 degrees to the right)
B. Good job
C. Look at your answers in part B. (Ignore the third one until you think you have it. ). What happens? X goes to y and y goes to x? So the rule is (x,y) —> ( y, x)? No. The y changes signs... so ( -y, x)
D. What we just said in words in part C: the x & y switch places and the y changes signs. More “math-ey” sounding: the variables reverse and the y is multiplied by -1
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3 (4x - 2) - 30 = -6 (6 - 2x) - 20
irga5000 [103]

Answer:

B.

Step-by-step explanation:

3(4x-2)-30=-6(6-2x)-20

12x-6-30=-36+12x-20

12x-36=12x-56

6 0
3 years ago
Find the sum of 10 + 5i and its complex conjugate.
ra1l [238]

Answer:

20.

Given, complex number is 10+5i .

We need to find sum of the given complex number and its conjugate. The conjugate of 10+5i is 10-5i. Therefore, the sum will be 10+5i+10−5i=20.

3 0
3 years ago
F(x)=2x^2-5x<br> G(x)=3x^3<br> Find f(2)<br><br> A.-2 B.-18 C.24 D.6
jeyben [28]

Answer:

A

Step-by-step explanation:

To evaluate f(2), substitute x = 2 into f(x), that is

f(2) = 2(2)² - 5(2) = 2(4) - 10 = 8 - 10 = - 2 → A

4 0
3 years ago
Read 2 more answers
Please help me i’ll give points
Umnica [9.8K]

Answer:

A,B,D

Step-by-step explanation:

8 0
2 years ago
How do you solve each absolute value by graphing
saw5 [17]
Your question answers itself. You solve by graphing.

I like to subtract one side of the equation from the other, so the solutions are where the graph crosses the x-axis (the resulting function value is zero).

It can be useful to find the "turning point" of each absolute value expression (where its value is zero) and graph that and some points on either side.
7 0
2 years ago
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