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Mars2501 [29]
3 years ago
11

Find the distance along an arc on the surface of the earth that subtends a central angle of 1 minute(s) (1 minute = 1/60 degree)

. The radius of the earth is 3960 miles. Round to the thousandths. (3 decimal places)
Mathematics
1 answer:
garik1379 [7]3 years ago
7 0

Length of distance of arc = 2πr × (∅/360)

∅ = 1/60 × 360 = 6⁰

Length = 2 × 22/7 × 3960(6/60)

Length = 44/7 × 3960 × 1/10

Length = 44/7 × 396

Length = 2489.142 cm

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1-\frac{2}{17}=\frac{15}{17}\\
\frac{15}{17}--3000\\
1\ \ --x\\
x=3400
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What are irrational numbers?​
Marina CMI [18]

Step-by-step explanation:

Any real number that cannot be expressed as the quotient of integers

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What is the value of 4 1/3÷1/9?Enter your answer as a fraction in simplest form, like this: 3/14
Vlada [557]

Hey there!

  • \bold{4\frac{1}{3}\times\frac{1}{9}}
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  • \bold{\frac{13}{3}(\frac{1}{9})}
  • \bold{13\times1=13}
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8 0
4 years ago
The point (21,32) is on a line with slope 1.5.
Oxana [17]
We can use the equation: y=mx+b
x represents the x-value, y represents the y-value, m represents slope, and b represent the y-intercept.

We must plug in what we know in order to find the value of b.
32 = 1.5*21 + b
32 = 31.5 + b
So b = 0.5

Now we know our equation is y = 1.5x + 0.5

We can find any other point on the line by plugging in any x-value. Let's try 5.
y = 1.5*5 + 0.5
So y =8 and our point is (5,8)
7 0
3 years ago
If EF = 2x+13, FG = 20, and EG = 71 what's the value of x​
klemol [59]

Answer:

<h2>x = 19</h2><h2></h2>

Step-by-step explanation:

|<----------------- 71 ----------------------->|

E-----------------------F---------------------G

       2x + 13                 20

find: x

EF + FG = DG

2x + 13 + 20 = 71

2x = 71 - 20 - 13

x = 38 / 2

x = 19

6 0
3 years ago
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