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Kay [80]
3 years ago
14

Is 3pi/2pi a rational number or an irrational number? Explain your reasoning

Mathematics
1 answer:
Vadim26 [7]3 years ago
7 0

Answer:

It is rational

Step-by-step explanation:

The pi terms cancel out when you divide. This is due to the rule x/x = 1 where x is any number you want except x cannot be zero. So replace x with pi and we have pi/pi = 1

Therefore,

(3pi)/(2pi) = (3/2)*(pi/pi)

(3pi)/(2pi) = (3/2)*1 .... use the rule mentioned above

(3pi)/(2pi) = 3/2

we get a fraction or a ratio of two whole numbers, so this proves that the given expression is rational.

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hichkok12 [17]
$25 x 1.07 = $26.75. The answer is, they paid $26.75
5 0
4 years ago
What is the measure of angle A' B' C'?​
Tresset [83]

Answer:

40

Step-by-step explanation:

7 0
3 years ago
Which of these triangle pairs can be mapped to each other using two reflections? Triangles X Y Z and P Y T are connected at poin
Irina18 [472]

Answer:

The correct option is the first option;

Triangle XYZ and PYT are connected at point Y. Triangle XYZ is reflected across XY and then is reflected another time across YZ to form triangle PYT

Step-by-step explanation:

To answer the question we look at each option as follows;

1) The parameters given are triangle XYZ and PYT are connected at point Y

Triangle XY is reflected about XY will shift the marked angle from left to right while the right angle will remain at the same location and the triangle will remain upright to give triangle X'Y'Z'

Reflection about the YZ will give; the marked angle and the right angle in the same location and the vertex X will then be changed to P

Therefore, triangle XYZ can be mapped to triangle PYT with two reflections

2)  In the second option, we have triangle XYZ is reflected 3 times which is more than 2 times as in the question, therefore, option two is less suited as an answer to the question

3) Triangle XYZ is reflected across side XY and then is shifted down to form triangle AYT

Therefore, since we have only one reflection, option 3 is also not appropriate as an answer

4) In option 4 triangle XYZ is reflected and then rotated therefore option 4 is also not a correct option.

6 0
4 years ago
Read 2 more answers
(8w^7 x^-5 y^3 z^-9)^2/3<br> Please find an equivalent answer to the problem.
-BARSIC- [3]

Answer:

your answer will be option A

Step-by-step explanation:

(8w^7x^-5y^3z^-9)-2/3

= (8)-2/3×(w^7)^-2/3×(x^-5)^-2/3×(y^3)^-2/3×(z^-9)-2/3

=(2^3)^-2/3×w^-14/3×x^10/3

xy^-2xz^6

=2^-2 w^-14/3 x^10/3 y^-2 xz^6

=1/4×1/w^14/3× x^10/3 xz^6/y^2

=x^10/3z^6/4w14/3y^2

hope it helps..

have a great day!!

7 0
3 years ago
(x 2 + 6x + 9)(3x - 1)
deff fn [24]

Answer:

6x

Step-by-step explanation:

no I don't know what is the volume in cubic meters

4 0
3 years ago
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