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3 years ago

Explain how you could use 6×9 = 54 to find 54÷9?

Mathematics

2 answers:

erastova [34]3 years ago

5 0

Look at the original equation. 6x9=54. all you are doing is switching numbers up. 54/9=6. or 54/9=6.

Yanka [14]3 years ago

5 0

Its just the opposite

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Find the equation of the circle that has a diameter with endpoints (7,3) and (7,-5)

muminat

Answer:

(x-7)² + (y+1)² = 4² or (x-7)² + (y+1)² =16

Step-by-step explanation:

1) coordinates of the center

x0=(x1+x2)/2=(7+7)/2=7

y0=(y1+y1)/2=(3-5)/2 = -1

(7, -1) - coordinates of the center

2) radius of the circle

length of the diameter =√((x2-x1)²+(y2-y1)²)=√((7-7)²+(-5-3)²)=√(8)²= 8

r = length of the radius = length of the diameter / 2 = 8/2 = 4

3) the equation of the circle

(x-x0)² + (y-y0)²= r²

(x-7)² + (y+1)² = 4²=16

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4 years ago

Q varies inversely as the square of p, and Q = 36 when p = 7. Find Q when p = 6.

antiseptic1488 [7]

Answer:

C.Q=49

Step-by-step explanation:

Q=k

P squared

39=k

7 squared

k=1911

<h3> therefore Q is. </h3>

Q=1911

6 squared

Q=1911

Q=49

please award the answer being in the brainest

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3 years ago

What is the answer to 3 times 126

Leno4ka [110]

Answer:

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Step-by-step explanation:

3*126

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garri49 [273]

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brilliants [131]

That would be the point (3, -1)

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