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stepan [7]
3 years ago
5

The radius of a circular hat is 3.7 inches. Find the circumference. Use 3.14 for π. (1 point)

Mathematics
2 answers:
miss Akunina [59]3 years ago
5 0

Answer:

The circumference is 23.236\ in

Step-by-step explanation:

we know that

The circumference of a circle is equal to

C=2\pi r

we have

r=3.7\ in

substitute

C=2(3.14)(3.7)=23.236\ in

pashok25 [27]3 years ago
3 0
The answer is <span>23.236

the equation for circumference is C=2(pie)r

So you take 2x3.14 which equals 6.28. 

Then you multiply 6.28 by 3.7 to get your answer.</span>
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Step-by-step explanation:

4 0
3 years ago
(2x + 7y = -24<br>18x+y=12 solve by substitution​
const2013 [10]

Answer:

x = .87, or when approximated to a fraction, 27/31

y = -3.67, or when approximated to a fraction, -1287/350

Step-by-step explanation:

Lets start by rewriting out our equations

2x + 7y = -24

18x + y = 12

Lets solve for a y value; the second equation is easiest, as the y value has no coefficient (the number that is multiplied times a variable). To do this, lets move the 18x to the other side. Now our two equations look like:

2x + 7y = -24

y = -18x + 12

Next, lets plus the second equation into the first equation in regards to y.

2x + 7(-18x + 12) = -24

Now, lets solve!

2x -126x + 84 = -24

Then, combine your terms!

-124x = -108

Divide by (-124)!

x = -108/-124

x = 27/31

Now that we know x, lets plug this back in to the first equation to find y!

2(27/31) + 7y = -24

1.74 + 7y = -24

7y = -25.74

y = -3.67, or when approximated to a fraction, -1287/350

4 0
3 years ago
Line / is shown on the graph below. If another line is drawn, perpendicular to line I, what must be its slope?
juin [17]

Answer:

Undefined

Step-by-step explanation:

The slope on the graph is horizontal so there's no slope and the answer is just y = 3

For a line to be perpendicular to a horizontal line, it is going to be a vertical line.

All vertical lines have an undefined slope.

7 0
2 years ago
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ddd [48]

Answer:

K = \frac{P}{TV}

Step-by-step explanation:

P = KTV

Divide both sides by TV

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5 0
2 years ago
I thought of an integer.if i multiply it by itself you will get 9.What is my number
ICE Princess25 [194]
The number is 3 because 3 multiplied by itself (3) is equal to 9.
3 0
3 years ago
Read 2 more answers
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