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GuDViN [60]
3 years ago
12

Please answer those three

Mathematics
1 answer:
nekit [7.7K]3 years ago
3 0
13.689 Is 13.69

23.492 Is 23.49

8.793 Is 8.79
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Easy math asap please
joja [24]

Answer:

81{x}^{2}  + 18x \sqrt{2} + 2

Step-by-step explanation:

(9x +  \sqrt{2} )(9x +  \sqrt{2} ) \\  =  {(9x)}^{2}  + ( \sqrt{2}  +  \sqrt{2} ) \times 9x +  \sqrt{2}  \times  \sqrt{2}  \\  = 81 {x}^{2}  + 2 \sqrt{2}  \times 9x + 2 \\ =  81{x}^{2}  + 18x \sqrt{2} + 2 \\

4 0
3 years ago
Can 77 be divided by 2
andrew11 [14]

Answer:

no

Step-by-step explanation:

5 0
4 years ago
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Given that f(x)=x^2+2x+3
qwelly [4]
Answer: f(x)=(x+1)^2+2
7 0
3 years ago
Frannie bought a pair of sandals. What is a reasonable measurement for the width of a pair of sandals? A 5 cm B 5 mm C 5 in. D 5
jonny [76]

Answer:

A 5cm

Step-by-step explanation:

The others answers would be either too big or too small to fit

7 0
3 years ago
Plz explain and I'll give brainly!!!
miss Akunina [59]

Answer:

(2,21)

Step-by-step explanation:

y = 10.5x

plug 2 for x  in the equation

y = 10.5(2)

then multiply 2 by 10.5

y=21

7 0
3 years ago
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