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2 years ago

Put these in order of size smallest first 60% 0.4 1/2

Mathematics

2 answers:

Ludmilka [50]2 years ago

3 0

.4 is smallest, 1/2 , then 60% is greatest.

Mrrafil [7]2 years ago

3 0

0.4
1/2 = 0.5
60% = 0.6
are your answers

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What is the length of the arc if: 11. r=10 n=20 A15(pi)/ 7 B13(pi)/ 5 C16(pi)/ 2 D11(pi)/ 4 E 10(pi)/ 9 F 9(pi)/ 4 12. r=3 n=6 A

Vilka [71]

Step-by-step explanation:

The formula for arc length [for the angle in degrees] is:

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here,

$n$ = degrees

$r$ = radius

using this we'll solve all the parts:

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$L = 2\pi (10) \left(\dfrac{20}{360}\right)$

from here, it is just simplification:

2 and 360 can be resolved: 360 divided by 2 = 180

$L = \pi (10) \left(\dfrac{20}{180}\right)$

10 and 180 can be resolved: 180 divided by 10 = 18

$L = \pi \left(\dfrac{20}{18}\right)$

finally, both 20 and 18 are multiples of 2 and can be resolved:

$L = \pi \left(\dfrac{10}{9}\right)$

$L = \dfrac{10\pi}{9}$ Option (E)

r=3, n=6:

$L = 2\pi r \left(\dfrac{n}{360}\right)$

$L = 2\pi (3) \left(\dfrac{6}{360}\right)$

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$L = \dfrac{7\pi}{45}$ Option (C)

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$L = 2\pi r \left(\dfrac{n}{360}\right)$

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3 years ago

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Hoochie [10]

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2 years ago

Given the following function, find h(-4)<br> h(x) = 8x2 – 5<br> h(-4) =

Mila [183]

Step-by-step explanation:

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2 years ago

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Which expression is equivalent to 5a+20? A: 5(5a+4). B: 5(a+4). C: 5(a+20). D: 5(a+1)

guajiro [1.7K]

Answer:

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Step-by-step explanation:

expression is equivalent to 5a+20

To get the equivalent expression we need to factor the given expression

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5a can be written as 5 * a

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WE can see that common factor is 5 for both 5a and 20

So GCF is 5

Now we factor out GCF 5

WE put 5 outside and write all the left of factors inside the parenthesis

5a +20

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