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BabaBlast [244]
3 years ago
9

Solve by completing the square. x^2-6x-23=0

Mathematics
1 answer:
zavuch27 [327]3 years ago
7 0
Use the formula(b/2)^2 in order to create a new term. Solve for x by using this term to complete the square. The Answer is: x=3 +or- 4√2. Hope this helps
You might be interested in
is it possible to draw two congruent triangles so that one triangle is an acute triangle and one triangle is right triangle? why
BaLLatris [955]
No because then they would be different triangles.  Congruent triangles are triangles that are the same

I hope I've helped!
4 0
3 years ago
One scientific team determened that the avrage thickness of a chickens egg shell is 0.311 millimeters
rosijanka [135]

Answer:

As we can see the average for the thickness of a chickens egg shell is 0.311 mm and if we want to round this number to the nearest tenth we just need to see the second decimal place and round to one decimal place.

This second decimal place for this number is 1 and this number is \leq 5 so then if we round to the nesrest tenth we will get:

0.3 mm

Step-by-step explanation:

We use the following info in order to complete the qeustion:

Round the thickness of the shell to the nearest tenth.

0.3

0.5

0.92

9

As we can see the average for the thickness of a chickens egg shell is 0.311 mm and if we want to round this number to the nearest tenth we just need to see the second decimal place and round to one decimal place.

This second decimal place for this number is 1 and this number is \leq 5 so then if we round to the nesrest tenth we will get:

0.3 mm

7 0
3 years ago
PLEASE HELP!!
Dima020 [189]

Answer:

A. 90°+m∠4

Step-by-step explanation:

Also  

∠ A + ∠ C = 180  o = ∠ B + ∠ D

⇒ 2 x+ ( 3 x − 5 ) = 180  0 = ( x + 5 ) +  ∠  C

5 x  −  5  =  180

Add 5 to both sides

5 x  =  185

Divide both sides by 5

x =  185  5  =  37

But it was A. 90°+m∠4

4 0
3 years ago
Plzzzzzzzz help me it’s urgent
zavuch27 [327]
It should be A.
i know this because a proportion line is a straight line that travels through the origin.
7 0
3 years ago
Log2(y)=3log3(u)<br> log5(y)=2log(u) + 3log5(v)<br> Write y in terms of u and v
Gelneren [198K]
It’s attached there


Here

7 0
3 years ago
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