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NNADVOKAT [17]
3 years ago
6

Please help me to simplify this.

Mathematics
1 answer:
GrogVix [38]3 years ago
3 0
The Brainliest answer is 40x-72.

8*5=40(add the x because of the variable on the coefficient)

8*9=72, the 72 being negative because of the sign in front of it.
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Solving for X with 1 angle and two congruent sides
Anna71 [15]

Answer:

So since the 2 angles are congruent they will be the same.

Step-by-step explanation:

So since the 2 angles are congruent they will be the same. So for example, if I have a triangle and angle 60 and two congruent angles it will be 60 + 2x =180. I congruent angle will be x then 2 of that is 2x. Angles in a triangle always sum up to 180.

4 0
4 years ago
So a man goes to sleep at 8 am and wakes up on the following day and wakes up at 1 am. can you tell me what happened?
Nata [24]

Answer:

He was on an airplane.

Step-by-step explanation:

Hope I helped!

Please mark Brainliest!!!

5 0
3 years ago
Using the following equation, find the center and radius of the circle. You must show all work and calculations to receive credi
adoni [48]

Answer:

r = 4

The center is:

(2, -4)

Step-by-step explanation:

We have the following equation

x^2 - 4x + y^2 + 8y = -4

The general equation of a circle has the following form

(x-h)^2 + (y-k)^2 = r^2

Where r is the radius and the point (h, k) is the center of the circle

To transform the given equation in the general equation of a circumference we must use the method of square completions

Step 1

(x^2 - 4x) + (y^2 + 8y) = -4

<u>Step 2</u>

<u> </u>Add and subtract (\frac{b}{2})^2 For an equation of the form

ax^2 +bx +c

(x^2 - 4x +4)-4 + (y^2 + 8y +16) -16= -4

<u>Step 3  </u> Factor the expressions within the parentheses

(x-2)^2-4 + (y+4)^2 -16= -4

<u>Step 4 Simplify</u>

(x-2)^2 + (y+4)^2= -4+16+4

(x-2)^2 + (y+4)^2= 4^2

Finally

r = 4

The center is:

(2, -4)

7 0
3 years ago
Please help ! no links please
vodka [1.7K]
All triangles must have angles that add up to the same amount of degrees, so if the two triangles share one exact point, it is assumed that those angles would be the same. Basically just use the fact that the sides are the same and marked by dashes, and the missing line can be proven with the use of the angles that are in between the point that both share.
5 0
3 years ago
10 5/8- 5 3/4=<br> What is the answer?
olya-2409 [2.1K]
5 1/8 is the answer lol
3 0
3 years ago
Read 2 more answers
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