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Tamiku [17]
2 years ago
14

Help with attachment below

Mathematics
1 answer:
vichka [17]2 years ago
4 0
Start by converting your two equations into slope-intercept form. 

3x - 3y = -9 
-3y = -3x -9 Subtract 3x from both sides
y = x +3 Divide both sides by -3

2x + y = 9
y = -2x + 9 Subtract 2x from both sides. 

Then graph both lines (in which case the point where they intersect is the solution) or substitute in each point until both equations are true. 

In this case the solution is (2,5); both equations become 5=5 when you substitute in the point's coordinates. 

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SpyIntel [72]

Answer:

D. 135°

Step-by-step explanation:

Time is 1:30

The minute hand traveled half of full circle

The minute hand position is:

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The hour hand position is:

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the difference between the hands:

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Choice D. 135° is the correct one

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Step-by-step explanation:

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olga_2 [115]

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4 0
2 years ago
Twice the sum of five and x is eight less than x
Anna007 [38]
We need to express this statement into a equation:

First of all. We will walk through the statement step by step into a mathematical language, so:

1. The sum of five and x:

x + 5

2. Twice the sum of five and x:

2(x + 5)

3. Eight less than x:

(x-8)

     Finally the whole statement is:

4. <span>Twice the sum of five and x is eight less than x:
</span>
2(x + 5) = (x-8)
2x + 10 = x - 8
x = -18


4 0
3 years ago
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