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Deffense [45]
3 years ago
13

Find the missing value to the nearest hundredth. cos_= 6/19

Mathematics
2 answers:
Olenka [21]3 years ago
5 0

Let , missing value(_)=A

As, it is given that ,

CosA=\frac{6}{19}\\\\ Cos A=0.3158\\\\ A=72 {\text{Degree}}

To convert the value of A into Radians,

360°=2 π Radians

1 {\text{degree}}=\frac{\pi}{180}\\\\72 {\text{Degree}} =\frac{72\times 22}{180 \times 7}\\\\=1.2571

So, missing value to the nearest hundredth= 1.26 Radians

Sphinxa [80]3 years ago
4 0

Answer:

D. 71.59

Step-by-step explanation:

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(5 x 10^-4) + (9.5 x 10^-4)
blagie [28]

Answer

0.00145

Step-by-step explanation:

(5 x 10^-4) + (9.5 x 10^-4)

0.0005      +  0.00095

         = 0.00145

8 0
3 years ago
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A four digit number (with no repetitions) is to be formed from the set of numbers {0,1,2,3,4,5,6,7}. Find the probability that t
QveST [7]
Even # --------- if it ends with 0, # of ways = 6*5*4 = 120 if not, 3 ways for ending digit, 5 ways for 1st digit, 5*4 for middle digits = 300 
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odd # --------- 4 ways of ending digit, 5 ways for 1st digit, 5*4 for middle digits = 400 ways 
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3 years ago
A question abt probability
kari74 [83]

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7 0
2 years ago
Solve for x !! <br><br><br> PLEASE
Agata [3.3K]
The answers is 72........
7 0
3 years ago
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the length of a rectangle is 4cm langer than the width. the perimeter is 80cm. what is the length and the width?
Lisa [10]
Let us assume the width of the rectangle = x cm
Then
The length of the rectangle = (x + 4) cm
It is already given that
Perimeter of the rectangle = 80 cm
Now we also know the formula for perimeter of a rectangle
Perimeter = 2 ( length + width)
80 = 2 (x + 4 + x)
80 = 2 (2x + 4)
80/2 = 2x + 4
40 = 2x + 4
Dividing both sides by 2 we get
20 = x + 2
20 -2 = x
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Then
Width of the rectangle = 18 cm
Length of the rectangle = (18 + 4) cm
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So the rectangle has a length of 22 cm and a width of 18 cm.
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