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3 years ago

HELPPPPPPPOPOOOPPPPPPP

Mathematics

1 answer:

lisabon 2012 [21]3 years ago

4 0

Answer:

if the question says this then it's true: "A rate in which the second quantity in the comparison is one unit."

Step-by-step explanation:

Or it could be true if it said it had a 1 in the denominator

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Which graph correctly represents the solution of this system of equations Y=x-6

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M=1/1 b=-6... since there is no picture of the the graphs i just drew what the graph would look like

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A skateboarder traveled 3/5 of a mile in 1/20 of an hour. What was the skateboarder's speed in miles per hour

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What is the value of this expression when b=5 6(2b-4)

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3 years ago

1. Find the sum. -5 + ( -1 ) + 6 + 4

Alex73 [517]

1. Find the sum. -5 + ( -1 ) + 6 + 4

 -5 + ( -1 ) + 6 + 4
= -5 -1 + 10
= 4
answer B: 4

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 -10 + ( -5 ) + 15
= -10 - 5 + 15
= -15 + 15
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answer
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4 years ago

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. A certain coin is a circle with diameter 18 mm. What is the exact area of either face of the coin in terms of p?

vitfil [10]

Answer:

$r =\frac{D}{2}=\frac{18mm}{2}= 9mm$

The area is given by:

$A= \pi r^2$

And replacing we got:

$A=\pi (9mm)^2 =81\pi mm^2$

So then we can conclude that the area of the coin is $81\pi$ mm^2

Step-by-step explanation:

For this case we know that we have a coin with a diamter of $D =18mm$ , and by definition the radius is given by:

$r =\frac{D}{2}=\frac{18mm}{2}= 9mm$

The area is given by:

$A= \pi r^2$

And replacing we got:

$A=\pi (9mm)^2 =81\pi mm^2$

So then we can conclude that the area of the coin is $81\pi$ mm^2

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3 years ago