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Lelechka [254]
3 years ago
8

Solve the following:x²=4(mod6)​

Mathematics
1 answer:
Ksivusya [100]3 years ago
4 0

Answer:

x_{1} = 2, ▪︎ x_{2} = -2

Step-by-step explanation:

{x}^{2}  = 4 (mod6)

{x}^{2}  = 4

x =±2

x_{1} = 2, ▪︎ x_{2} = -2

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4 days ago, Emily blew up a balloon (that is a perfect sphere) to a radius of 5cm. Since then, the balloon has lost air and decr
Elan Coil [88]

Answer:

27/125

Step-by-step explanation:

3 0
3 years ago
Which system of linear inequalities is represented by the graph?  ax – 3y > 6 and y > 2x + 4 bx + 3y > 6 and y > 2x 
igor_vitrenko [27]

The <em><u>correct answer</u></em> is:

bx + 3y > 6 and y > 2x + 4

Explanation:

Looking at the second inequality, the y-intercept is 4 and the slope is 2.  This means the graph of the line crosses the y-axis at (0, 4) and the line goes up 2 and over 1.  Since it is greater than, this means the graph is shaded above it.  Comparing this to the graph, the line for the blue part crosses the y-axis at (0, 4) and goes up 2 and over 1.  The graph is also shaded above the line.

For the first inequality, bx+3y > 6, we want to isolate y.  To do this, we subtract bx from each side:

bx+3y-bx > 6-bx

3y > 6-bx

Divide both sides by 3:

3y/3 > 6/3 - bx/3

y > 2 - (b/3)x

This means the line for this will have a y-intercept of 2 and decrease 1 while going over 3.  The orange section does this.  Additionally, since it is greater than, the graph should be shaded above the line.  This one is, so this is the correct answer.

3 0
3 years ago
Read 2 more answers
Solve the Equation. 20x + 12 ≥ 14x + 30 A. x ≥ 7 B. x ≤ 7 C. x ≥ 3 D. x ≤ 3
Tamiku [17]

Answer:

x≥3

Step-by-step explanation:

Treat the ≥ symbol like it is an equals sign. First, subtract 14x from each side to get 6x+12≥30. Then, Subtract 12 from each side to get 6x≥18. I will let you solve the rest :)

8 0
4 years ago
Read 2 more answers
2(x+3)=x-4<br> please help me &lt;3
vovikov84 [41]
2(x + 3) = x - 4

distribute

2x + 6 = x - 4

either subtract 6 from both sides or add 4. i will be subtracting 6.

2x = x - 10

subtract x from both sides

x = -10
4 0
3 years ago
Question1, shop A normal price £85 1/3 off and shop B normal price £80 30% off
ser-zykov [4K]
#1 shop A would be cheaper
6 0
3 years ago
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