2 years ago

Given the coordinates of A(3, 6), B(5, 2), and C(9, 4), which coordinates for D make ABCD a square?

Mathematics

1 answer:

tankabanditka [31]2 years ago

6 0

Answer:

(7,8)

Step-by-step explanation:

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Evaluate each expression for the given values:

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3 years ago

Find the perimeter of this semi-circle with diameter, d = 18cm. Give your answer as an expression in terms of pi.

OLga [1]

Answer:

The perimeter of the given semi-circle in terms of $\pi$ is

$P=9\pi$ cm

Step-by-step explanation:

Given that the diameter of the semi-circle is 18cm

That is d=18cm

Therefore radius $r=\frac{d}{2}$

$r=\frac{18}{2}$

Therefore radius r=9cm

To find the perimeter of the semi-circle :

perimeter of the semi-circle $P=\pi r$

$P=\pi\times 9$ cm (where r=9 cm )

$P=9\pi$ cm

The perimeter of the given semi-circle in terms of $\pi$ is

$P=9\pi$ cm

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2 years ago

What is X in this equation?<br> 3x+55=9x-5<br><br>Please Explain.

klasskru [66]

Answer:

x = 10

Step-by-step explanation:

3x + 55 = 9x - 5 (add 5 to both sides)

3x + 55 + 5 = 9x - 5 + 5

3x + 60 = 9x (subtract 3x from both sides)

60 = 9x - 3x

60 = 6x (rearrange)

6x = 60 (divide both sides by 6)

x = 60/6

x = 10

3 0

3 years ago

Read 2 more answers