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3 years ago

8

Determine the number of real solutions of the following system of equations.

1 answer:

Sergio [31]3 years ago

8 0

It has one solution x=0

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What is the smallest angle of a right triangle with sides 9, 40, and 41? Round your answer to the nearest degree, and enter the

svlad2 [7]

Answer: 13°

Explanation: x = tan^-1 ( 9/40) ≈ 13°

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2 years ago

|-5c+5|=40 solve for c

GrogVix [38]

Answer:

C=9 or c=-7

Step-by-step explanation:

|-5c+5|=40

-5c+5=-40 or - 5c+5=40

-5c=-40-5. - 5c=40-5

-5c=-45. - 5c=35

C=9. C=-7

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3 years ago

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astraxan [27]

Step-by-step explanation:

$gradient \: = \: \frac{y2 - y1}{x2 - x1}$

y2 = y , x2 = 5

y1 = 2 , x1 = 3

$- 2 \: = \: \frac{y - 2}{5 - 3}$

-4 = y-2 ==> y = -2

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3 years ago

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How many solutions for linear equation 3x + 5y = 25 can be found so that −20 < y < 10, and x is an integer?

ch4aika [34]

Answer:

50

Step-by-step explanation:

3x = 25 - 5y

-100 < 5y < 50

-50 < -5y < 100

-25 < 25 - 5y < 125

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41+8+1 = 50

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Aleksandr-060686 [28]

Answer:

true

Step-by-step explanation:

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2 years ago