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stealth61 [152]
3 years ago
11

Find m •23 •43 •65 •67

Mathematics
2 answers:
mina [271]3 years ago
4 0
Cos x = adjacent/hypotenuse
Cos x = 5/13
MM
nika2105 [10]3 years ago
4 0
Cos F=adjacent/hypotenuse
cos F=5/13
F=arccos(0.3846)
F=~67 degrees
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otez555 [7]

Answer:

a) 6 17/20

b) 10 31/60

Step-by-step explanation:

a) 9 2/20 - 2 1/4 = 137/20 = 6 17/20

b) 6 17/20 + 3 2/3 = 631/60 = 10 31/60

5 0
2 years ago
Please help I don't understand this
Effectus [21]
The correct answer is:  [C]:  " \frac{7}{18}" .
____________________________________________________
Explanation:
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Given:
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  2 / (9x) = 4 / 7 ;  solve for "x" ;
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Cross-multiply:

        →   (9x)*4  = 2 * 7 ; 

        →   36x = 14 ; 

Divide each side of the equation by "36" ; 
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        →   36x / 36 = 14 / 36 ; 

                   x = 14/ 36 ; 

                  → x = 14/36 = (14÷2) / (36÷2) = 7/18 ; 
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The answer is:  " \frac{7}{18}" ;

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7 0
3 years ago
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Step-by-step explanation:

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6 0
3 years ago
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Sergeeva-Olga [200]

Answer:

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Step-by-step explanation:

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3 years ago
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Help now plz it’s due in 8 minutes
Reptile [31]

Answer:

<em>9%</em>

Step-by-step explanation:

Original rectangle: 100 cm by 200 cm

Original area: 100 cm * 200 cm = 20,000 cm^2

Reduced by 70%, the measures are now 30% of they they were.

30% of 100 cm = 30 cm

30% of 200 cm = 60 cm

New area: 30 cm * 60 cm = 1800 cm^3

New area equals what percent of original area?

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3 years ago
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