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shtirl [24]
3 years ago
9

Zapisz w jak najprostszej postaci: a) -x-4(1-x) b) 3(5x-2)-5(3-4x) c) √2(3-x)-2(1-x√2)

Mathematics
1 answer:
Sonja [21]3 years ago
4 0

Answer:

Step-by-step explanation:

a) -x-4(1-x)  =

− 2 x −4 ( 1 − x ) .

2 x − 4

b) 3(5x-2)-5(3-4x)  =

3 ⋅ (5 x − 2 ) − 5 ⋅ ( 5 − 4 x )

35 x  −  31

c) √2(3-x)-2(1-x√2) =

√ 2 x ⋅ ( 3 −x ) − 2 ⋅( 1 − x √ 2 ) .

2 x √ 2 + 3 √ 2 x -√ 2 x x − 2

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horsena [70]

x - shortest side

2x - second side

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x + 2x + (x + 26) = 174

4x + 26 = 174 |-26

4x = 148 |:4

x = 37 ft

2x = 2(37) = 74 ft

x + 26 = 37 + 26 = 63 ft

Answer: 37 ft, 74 ft and 63 ft.

3 0
3 years ago
4+ y = 10<br> What is the answer and how do I solve it
julia-pushkina [17]

Answer:

y=6

Step-by-step explanation:

4+y=10

-4     -4

   y=6

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8 0
3 years ago
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attashe74 [19]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Reflect shape A in the line y = x.
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Answer:

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Answer:

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Step-by-step explanation:

7 0
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