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Dvinal [7]
2 years ago
8

Consider the following.

Mathematics
1 answer:
Fantom [35]2 years ago
5 0

Answer:

(-8, 7); x + y = 13 → y= -x + 13

parallel lines have the same slope. slope is -1

y = -x + b

7 = -(-8) + b

7 = 8 + b

b = -1

(a) y = -x - 1

perpendicular lines have opposite slopes. slope is 1/2.

y = -1/2x + b

7 = -1/2(-8) + b

7 = 4 + b

b = 3

(b) y = -1/2x + 3

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Marat540 [252]
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3 years ago
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Reptile [31]

Answer:

2x^2(root13)

Step-by-step explanation:

52 factors into 13 (prime number) and 4 (perfect sqare)

this means we can take the root of 4 and bring it outside to become a 2

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3 years ago
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A gardener has three flowering shrubs and four nonflowering shrubs, where all shrubs are distinguishable from one another. He mu
Harman [31]

Answer:

Either way you can in 144 ways.

Step-by-step explanation:

According to the statement we have 3 flowering shrubs and 3 flowerless shrubs.

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S = flowering shrub

N = non flowering shrub

Now the only pattern in which these bushes can be arranged alternately  as follows:

N-S-N-S-N-S-N

Therefore, to calculate the number of forms it would be:

Number of shapes: 4 * 3 * 3 * 2 * 2 * 1 * 1 = 144

Which means there are 144 ways.

Now if we organize them in a circle in the same way

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This is because the nun's last blooming shrub is left outside.

3 0
3 years ago
I need help completing this problem ASAP
aalyn [17]

4/(√<em>x</em> - √(<em>x</em> - 2)) × (√<em>x</em> + √(<em>x</em> - 2))/(√<em>x</em> + √(<em>x</em> - 2))

= 4 (√<em>x</em> + √(<em>x</em> - 2)) / ((√<em>x</em>)² - (√(<em>x</em> - 2))²)

= 4 (√<em>x</em> + √(<em>x</em> - 2)) / (<em>x</em> - (<em>x</em> - 2))

= 4 (√<em>x</em> + √(<em>x</em> - 2)) / (<em>x</em> - <em>x</em> + 2)

= 4 (√<em>x</em> + √(<em>x</em> - 2)) / 2

= 2 (√<em>x</em> + √(<em>x</em> - 2))

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