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amid [387]
3 years ago
12

I need help I don't understand this one math is my hardest subject

Mathematics
1 answer:
aksik [14]3 years ago
4 0
In order to name the coordinates, you read the X axis first and then the Y axis. So A would be (-4, 4). B would be (-4, 6). C would be (2, 4). 

They are not congruent because each angle is a different measure. 

Hope this helped! :)
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Using graph paper, determine the line described by the given point and slope. Click to show the correct graph below. (0, -2) and
BaLLatris [955]

Answer:

y = -(5/2)x -2

Explanation:

The general formula for a straight line is y – mx + b.

The image below shows the graph of the line.

Step 1. <em>Calculate the slope</em>.

Slope = m = Δy/Δx = (y₂-y₁)/(x₂-x₁)

x₁ = 0; y₁ = -2

x₂ = -2; y₂ = 3     Calculate m

m = [3-(-2)]/(-2-0)

m = (3+2)/(-2)

m = 5/(-2)

m = -5/2

Step 2. <em>Calculate the y-intercept </em>

When x = 0, y = 2.

The y-intercept (b) is at y = -2

Step 3. <em>Write the equation </em>for the graph

y = mx + b

y = -(5/2)x - 2

3 0
2 years ago
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Jeanette can swim 45 meters in 30 seconds. How far can she probably swim in 90 seconds?
shtirl [24]
H. 135 meters

Work: 45 meters in 30 seconds 45/30= 1.5 so 90x1.5 = 135 meters
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2 years ago
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Four mathematicians, three physicists, and an engineer are to be seated equally spaced around a circular table. How many differe
Vesna [10]

First, we can choose the seats for the four mathematicians.  Then we seat the physicits, then the engineer.  There are 4! ways to seat the mathematicians, then 3! ways to seat the physicists, then 1! ways to seat the engineer.  But then we must divide by 8, because we can rotate the table, so there are 8!*4!*3!/8 = 725760 ways to seat everyone.

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3 years ago
What to numbers can go into 72 and 45
ratelena [41]

Answer:

3 and 9

Step-by-step explanation:

3 * 24 = 72

9 * 8 = 72

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8 0
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amid [387]

Answer:8:30 PM (20:30) Previous Day

Step-by-step explanation:

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3 years ago
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