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KiRa [710]
4 years ago
10

Point P has coordinates (-4,-2)and point Q has coordinates (4,3). ( on a 1cm grid )

Mathematics
2 answers:
katrin [286]4 years ago
7 0

Answer:

PQ ≈ 9.4 cm

Step-by-step explanation:

Calculate the distance d using the distance formula

d = √ (x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = P(- 4, - 2) and (x₂, y₂ ) = Q(4, 3)

PQ = \sqrt{(4+4)^2+(3+2)^2}

     = \sqrt{8^2+5^2}

     = \sqrt{64+25}

     = \sqrt{89}

     ≈ 9.4 cm ( to 1 dec. place )

Nastasia [14]4 years ago
3 0

Answer:

the square root of 89 is 9.4 so thats your answer

Step-by-step explanation:

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2. A guy wire for a tree is 20 ft. long, making a 21o angle with the ground. How far is the base of the tree from a stake anchor
Alenkasestr [34]

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