Please help! Super confused lol

Answers

Answer 1

Answer: The length of OX would be 6.5 units.

If you look at the angle, it is bisected equally - meaning the ray separating it is a bisector. (The two triangles are similar by angle-angle similarity.) Since the line is a bisector, you simply divide 13 by 2 to get 6.5.

Answer 2

Answer:

OX = 6.5

13=DX,

OX = 0.5*DX

13*0.5=6.5

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2x + y = 3 x - 2y = -1

If equation one is multiplied by 2 and then the equations are added, the result is _____.

Answers

4x+2y=6
X+2y=-1
I think you mean subtract the two.
That would get rid of the the y
3x=7 x=7/3
Then plug that into one of the organism equations

Answer:

Step-by-step explanation:

What is the sum of square root of -2 and square root of -18?

Answers

Answer:

4 Square root 2i

Step-by-step explanation:

if you're ed then this the answer I hope this helps

√-2 + √-18

√-2 = √(-1*2) = √-1 * √2 = i√2 Recall square root of -1 = i

√-18 = √(-1*18) = √-1 * √1`8 = i√18 Recall square root of -1 = i

But √18 = √(9*2) = √9 * √2= 3√2

√-18 = i√18= i(3√2) = 3i√2

√-2 + √-18 = i√2 + 3i√2 = (i + 3i)√2 = 4i√2

So the sum is 4i√2, where i = √-1

Hope this explains it.

Which table is a justification for the given solution to the system of equations?(2, −1)
(2, −1)

y={4x−92x−5

Answers

Given that y = 4x – 9 and y = 2x - 5 (2 , -1)
substituting equation 1 to the equation 2
Y = 4x – 9
4x – 9 = 2x - 5
2x = 4
x = 2
Substitute 2
Y = 2(2) - 5
Y = -1
So the ordered pair a the solution the system of equtions given

Log33 + log327 simplify if possible

Answers

log360 is your answer.
Good luck on what ever your on!!!!!!!!

FOR 10 POINTS
Which of the following arithmetic sequences have a common difference of 2 1/2

Answers

Answer: -4,-1.5,1,3.5,6,8.5

Step-by-step explanation: You can check that the difference of any of its consecutive terms is always equal to 2.5.

8.5 - 6 = 2.5

-1.5 - (- 4) = 2.5

3.5 - 1 = 2.5

The tempature never rose above 6 f on friday which numberline could represent this situation a. {0--1--2--3--4--5-%6...........}

b.{...............................&6--7--8--9--10}

c.{0--1--2--3--4--5--6........................}

d.{..............................6--7--8--9--10

Answers

I believe it would be letter A

Answer:

Step-by-step explanation:how do you know it is A