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Nadya [2.5K]
3 years ago
13

8 x 5/6 = z What is z? A. 53/6 B. 40/6 C. 13/48 D. 5/48

Mathematics
2 answers:
sergejj [24]3 years ago
7 0

Answer:

B. 40/6

Step-by-step explanation:

(8x5)/6

40/6

.........

blondinia [14]3 years ago
5 0

Answer:

\huge \boxed{  \boxed{\mathbb{B)} \frac{40}{6} }}

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • equation
  • PEMDAS
<h3>given:</h3>
  • 8×⅚=z
<h3>let's solve:</h3>
  1. \sf multiply \: both \: sides \: by \: 6 :  \\ (8  \times  \frac{5}{6} ) \times 6 = z \times 6
  2. \sf simplify :  \\ 8 \times 5 = 6z \\ 40=6z
  3. \sf divide \: both \: sides \: by \: 6 :  \\ \frac{6z}{6}  =  \frac{40}{6}  \\ z =  \frac{40}{6}
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Given sin=300° , determine which of the following is an equivalent expression.
soldier1979 [14.2K]

Answer:

b. 240

Step-by-step explanation:

sin of 300 is equal to -.86

sin of 240 is equal to -.86

use calculator

6 0
2 years ago
 please help asap 
IrinaVladis [17]
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svetoff [14.1K]

sin2\alpha  = \frac{260}{269}

<u>Step-by-step explanation:</u>

We have , Tan\alpha  = \frac{Perpendicular}{Base} = \frac{10}{13},

We know that sin\alpha  = \frac{Perpendicular}{Hypotenuse} = \frac{Perpendicular}{\sqrt[2]{(Perpendicualr)^{2} + (Base)^{2})} }

Substituting values of P & B , sin\alpha  = \frac{10}{\sqrt{10^{2} + 13^{2}} }  = \frac{10}{\sqrt{269} }

Now , sin2\alpha  = 2sin\alpha cos\alpha  = 2sin\alpha \sqrt{1 - (sin\alpha)^{2} }

⇒sin2\alpha  = \frac{10}{\sqrt{269} } ×\sqrt{1 - (\frac{10}{\sqrt{269} })^{2} }×2

⇒ sin2\alpha  = \frac{20}{\sqrt{269} }( \sqrt{\frac{269 - 100}{269} }  )

⇒sin2\alpha  = \frac{20}{\sqrt{269} }( \sqrt{\frac{169 }{269} }  )

⇒sin2\alpha  = \frac{260}{\sqrt{269} }( \sqrt{\frac{1}{269} }  )

⇒sin2\alpha  = \frac{260}{269}

6 0
3 years ago
Someone please help me if you can!
Dovator [93]
I love these!

Okay, so this is a right angle. That means it is 90 degrees.

So far we know that on side of the angle is 47 degrees.

To get the other angle we will just subtract 90 - 47 = 43
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14 x 0.5 =7

So your answer is 7 dollars
7 0
3 years ago
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