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yaroslaw [1]
2 years ago
15

Select the correct answer.

Mathematics
1 answer:
Rudiy272 years ago
3 0

Answer:

2√3

√2

x

√x-1

are the answers

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Sladkaya [172]
1. Given
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8 0
3 years ago
(sin30°+cos60°) (tan60°-sec30°)<br>​
olga_2 [115]

Answer:

\frac{ \sqrt{3} }{3}

Step-by-step explanation:

(sin30 +  \cos(60) )( \tan(60)  -  \sec(30)

( \frac{1}{2}  +  \frac{1}{2} )( \sqrt{3} -  \frac{2 \sqrt{3} }{3})

(1)( \sqrt{3} ) over 3

=  \frac{ \sqrt{3} }{3}

5 0
3 years ago
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A tennis ball bounces based on this equation y = x2 - x+2. A dog jumps based on this equation y=2x.
valentina_108 [34]

Answer: when the equations are equal, that is when  x = 1 or x = 2

Step-by-step explanation:

The dog will receive the ball , when both equations intercept , that is , when both equations are equal. This implies :

x^{2} - x + 2 = 2x

x^{2} - x - 2x + 2 = 0

x(x-1) - 2 (x - 1 ) = 0

(x - 1 ) ( x - 2 ) =0

Therefore , x = 1 or x = 2

5 0
3 years ago
Which number is equal to 74×7−3 ?
slavikrds [6]

Answer:

515

Step-by-step explanation:

7 0
2 years ago
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Phrases like _______ or ________ indicate that you need to reverse the order.
steposvetlana [31]

Answer:

a

Step-by-step explanation:

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