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3 years ago

Help me plz and thank you

Mathematics

1 answer:

Julli [10]3 years ago

6 0

Answer:

Step-by-step explanation:

30 5 6

70 7 10

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I WILL MARK BRAINLIEST WHAT DOES THIS MEAN????

bogdanovich [222]

Answer:

The answers are: 1 and 1.

Step-by-step explanation:

I believe they are how combinations are written. In other words:

$_{n}C_{r}=(\frac{n}{r})=n!/(r!(n-r)!)$ (Ignore the fraction bar, I can't really format it properly).

Anyways, simply find the combination of each:

$(\frac{9}{0})=9!/(0!(9-0)!)=9!/9!=1$

$(\frac{9}{9} )=9!/(9!(9-9)!)=9!/9!(0!)=9!/9!=1$

Note that 0! equals 1.

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3 years ago

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Convert 4 years to months

nikitadnepr [17]

Answer:

48 months

Step-by-step explanation:

12 times 4 48

3 0

3 years ago

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Number 65 please. Show work. Thanks in advance.

iris [78.8K]

No worries. Perimeter = 2x width + 2x height 66 x 2 = 132 338 - 132 = 206 206 / 2 = 103 The length is 103 meters.

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3 years ago

To go from Seattle, Washington, to Los Angeles, California, using the Interstate Train Company, one must travel through San Fran

Phoenix [80]

Answer:

Ummm wish I could help but where is the table?

Step-by-step explanation:

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3 years ago

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5. Find the equation of a circle whose center is at (5, -8) and radius 8.

Brums [2.3K]

Answer:

$x^{2} + y^{2} -10x -16y + 39$

<u>Step-by-step explanation:-</u>

The equation used to find the equation of circle is :-

$(x-a)^{2} + (y-b)^{2} = radius^{2}$

'a' means the x coordinate of the circle, 'b' means y coordinate of the circle.

In the question, it's given that the coordinates of the circle are (5, -8) and radius is 8cm.

So, 'a' will be 5 and 'b' will be -8

So,

$(x-5)^{2} + (y--8)^{2} = 8^{2}$

$(x-5)^{2} + (y+8)^{2} = 64$

$x^{2} - 10x + 25 + y^{2} - 16y + 64$

$x^{2} + y^{2} -10x -16y + 64 - 25$

= $x^{2} + y^{2} -10x -16y + 39$

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3 years ago