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erma4kov [3.2K]
3 years ago
12

Expand and simplify ( √2 + 3)to the power of 2

Mathematics
1 answer:
11111nata11111 [884]3 years ago
5 0

Answer:

Step-by-step explanation:

(\sqrt{2}+3)^2=(\sqrt{2})^2 + 6\sqrt{2}+9 = 6\sqrt{2} +9+2=6\sqrt{2}+11

hope this helps

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PLEASE HURRY. <br> 24. Factor completely<br> (1 Point<br> 14x^3 – 16x^2 + 21x – 24
Inessa05 [86]

Answer:

(7x - 8)(2x² + 3)

Step-by-step explanation:

Given

14x³ - 16x² + 21x - 24 ( factor the first/second and third/fourth terms )

= 2x²(7x - 8) + 3(7x - 8) ← factor out (7x - 8) from each term

= (7x - 8)(2x² + 3)

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Dan and Mario went to a sandwich shop to buy sandwiches for their group of friends. Dan bought 2 tuna and 5 vegetarian sandwiche
Lesechka [4]
2t+5v=37 and 4t+3v=39 

Solve the first for t

t=18.5-2.5v and use this t in the second equation...

4(18.5-2.5v)+3v=39

74-10v+3v=39

-7v=-35

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t=$6.00

So tuna sandwiches cost $6.00 and vegetarian sandwiches cost $5.00.
3 0
3 years ago
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What is the answer to x+3/5=1/6
salantis [7]

Answer:

x= -13/30

Step-by-step explanation:

For this you have to get rid of the 3/5 first.

By doing this you do it on both sides.

Which will get you -3/5 on the left side.

X = 1/6

-3/5 on the right side

x = -13/30

6 0
3 years ago
What the value of the expression? (11 - 4) x (6 + 5)
Darya [45]
(11 - 4) (6 + 5) =
(7) (11) =
77
8 0
3 years ago
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