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Nataly_w [17]
2 years ago
13

Use the distance formula to find distance between two points. Need help on this ASAP.

Mathematics
1 answer:
astra-53 [7]2 years ago
3 0

Answer:

a) 20 units

b) 2 √10 units

c) 2 √17 units

Step-by-step explanation:

The distance formula is;

D = √(y2-y1)^2 + (x2-x1)^2

a) D = √(-7-9)^2 + (-7-5)^2

D = √256 + 144

D = √400

D = 20

b) D = √(10-8)^2 + (9-2)^2

D = √(2)^2 + 6^2

D = √4 + 36)

D = √40

D = 2 √10 units

c) D = √(1 + 7)^2 + (-8+10)^2

D = √(64 + 4)

D = √68

D = 2 √17 units

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icang [17]

Answer:

  6.83 units

Step-by-step explanation:

Let the height of the original pyramid be represented by h. Then the cut off top has a height of (h -2). The scale factor for the area is the square of the scale factor for height, so we have ...

  (height ratio)^2 = 1/2

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  (h -2)√2 = h . . . . . . square root; multiply by h√2

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The altitude of the original pyramid is about 6.83 units.

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2 years ago
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5 0
3 years ago
10. rhombus abcd has vertices at a(-2, 7), b(8, 7), c(2, -1), and d (-8, -1).
horrorfan [7]

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Step-by-step explanation:

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By the distance formula,

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6 0
2 years ago
Need help on my math!!!!!!
alexandr402 [8]
I believe the answer is 1/x-4

This is because the x-5 on the numerator and denominator cancel out
3 0
3 years ago
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Help I need help on this question
Natali [406]

Answer:

56.4 degrees

Step-by-step explanation:

90 degrees - 33.6 degrees = 56.4 degrees

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2 years ago
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