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hammer [34]
3 years ago
8

Factorise 9y^2-66yz+121z^2 plss answer with steps plss

Mathematics
2 answers:
aksik [14]3 years ago
8 0

Answer:

(3y - 11z)2

Step-by-step explanation:

hahaha hello again

kakasveta [241]3 years ago
5 0

Step-by-step explanation:

(3y - 11z)(3y - 11z)

9y^2: 3y 3y

121z^2: 11z 11z

(3y - 11z)(3y - 11z)

9y^2 - 33yz - 33yz + 121z^2

9y^2 - 66yz + 121z^2

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I need help with number 1-4 I don’t understand..
Karo-lina-s [1.5K]

Answer:

  1. 109°, obtuse
  2. 131°, obtuse
  3. 53°, acute
  4. 124°, obtuse

Step-by-step explanation:

You are exected to know the relationships of angles created where a transversal crosses parallel lines.

  • Corresponding angles are equal (congruent).
  • Adjacent angles are supplementary, as are any linear pair.
  • Opposite interior (or exterior) angles are equal (congruent).

The appearance of the diagram often gives you a clue.

You also expected to know the name (or category) of angles less than, equal to, or greater than 90°. Respectively, these are <em>acute</em>, <em>right</em>, and <em>obtuse</em> angles.

1. Adjacent angles are supplementary. The supplement of the given angle is 109°, so x will be obtuse.

2. Opposite exterior angles are equal, so y will be 131°. It is obtuse.

3. Opposite interior angles are equal, so w will be 53°. It is acute.

4. Corresponding angles are equal, so x will be 124°. It is obtuse.

8 0
3 years ago
(40-3x7-9-6x2]+ 4+19<br> I need the answer to this
Schach [20]

-3x7=-21

6x2= -12

40+21-9+12

61-21

40+4+19

44+19= 63

5 0
3 years ago
Find the volume of a pyramid with a square base, where the perimeter of the base is
ELEN [110]

Answer: 53.333

Step-by-step explanation: you have to use the formula base times height divided by 3 please mark me the branliest

5 0
3 years ago
16,500 rounded to nearest ten thousand
kari74 [83]

Hi,

16,500 rounded to the nearest ten thousand is 20,000.

Have a great day!

4 0
3 years ago
Read 2 more answers
What is 1.08 to the power of <img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B5%7D" id="TexFormula1" title="\frac{1}{5}" alt="
OlgaM077 [116]

Answer:

about \: 1.01551

Step-by-step explanation:

No it isn't, because:

{1.08}^{ \frac{1}{5} }  =  { \frac{108}{100} }^{ \frac{1}{5} }  =  { \frac{27}{25} }^{ \frac{1}{5} }  =  \sqrt[5]{ \frac{27}{25} }  = 1.01551

6 0
3 years ago
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