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Marysya12 [62]
3 years ago
12

Does acciociative property work for subtraction?

Mathematics
2 answers:
Alex Ar [27]3 years ago
6 0
Acciociative property does work for subtraction. 
klio [65]3 years ago
5 0
Yes acciociative property works for subtraction.
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Cos (A+B) =1/5<br>COS (A-B) = 3/5<br>Then find tan (A-B)​
Soloha48 [4]

Answer:

tan (A-B)​ = ± 4/3

Step-by-step explanation:

COS (A-B) = 3/5

COS² (A-B) = (3/5)² = 9/25 = 1 - sin² (A-B)

sin² (A-B) = 1 - 9/25 = 16/25

sin (A-B) = ± 4/5

tan (A-B) = sin (A-B) / cos (A-B) = (± 4/5) / (3/5) = ± 4/3

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3 years ago
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The answer is 25

Step-by-step explanation:

We know that all the angles of a triangle add up to 180 degrees.

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3 0
3 years ago
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Which of the following rational functions is graphed below?
GREYUIT [131]

Answer:

Answer D.

Step-by-step explanation:

After plugging in each function, option D's graph is identical to the included image.

5 0
3 years ago
The radius of the front wheel of Paul's bike is 63cm. Paul goes for a cycle and travels 69.89km. How many full revolutions did P
Rudiy27

Answer: 17,649

Step-by-step explanation:

Given

The radius of the cycle is r=63\ cm

Distance traveled by Paul is 68.89\ km

Distance traveled by one complete revolution of wheel is equivalent to circumference of wheel i.e.

\Rightarrow 2\pi r\\\\\Rightarrow 2\times \dfrac{22}{7}\times 63\\\\\Rightarrow 396\ cm\ \text{or}\ \text{3.96}\ m

No of revolution made by wheel

\Rightarrow n=\dfrac{69.89\times 1000}{3.96}\\\\\Rightarrow n=17,648.9899\approx 17,649

7 0
3 years ago
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