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Anarel [89]
3 years ago
15

Which set is finite?

Mathematics
1 answer:
Tanzania [10]3 years ago
8 0
Hello,

Answer A is the only finite set.
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How are mixtures and solutions different?
Nadusha1986 [10]

Answer:

D point

hope this helps you

6 0
2 years ago
PQR is a right-angled triangle. PQ = 16 cm. PR = 8 cm. Calculate the length of
vlada-n [284]
SOLUTION:

PQR is a right-angle triangle.

Therefore, to solve this problem, we will use Pythagoras theorem which is only applicable to right-angle triangles.

Pythagoras theorem is as displayed below:

a^2 + b^2 = c^2

Where c = hypotenuse of right-angle triangle

Where a and b = other two sides of right-angle triangle

Now we will simply substitute the values from the problem into Pythagoras theorem in order to obtain the length of QR.

c = PQ = 16cm

a = PR = 8cm

b = QR = ?

a^2 + b^2 = c^2

( 8 )^2 + b^2 = ( 16 )^2

64 + b^2 = 256

b^2 = 256 - 64

b^2 = 192

b = square root of ( 192 )

b = 13.8564...

b = 13.86 ( to 2 decimal places )

FINAL ANSWER:

Therefore, the length of QR is 13.86 centimetres to 2 decimal places.

Hope this helps! :)
Have a lovely day! <3
8 0
3 years ago
Solve |x| – 17 = 60<br> What is the correct answer
Kazeer [188]

Answer:

x = 77,  x = -77

Step-by-step explanation:

|x| – 17 = 60

Add 17 to each side

|x| – 17+17 = 60+17

|x|  = 77

The absolute value equation has two solutions, one positive and one negative

x = 77,  x = -77

4 0
3 years ago
Read 2 more answers
If a number is right next to a variable,
valina [46]
I think multiplication but I’m not sure sorry
3 0
2 years ago
Read 2 more answers
What is csc (2π/3)? Explain.
masha68 [24]

we are given the expression csc (2 pi / 3 ) and is asked to evaluate the expression. According to the trigonometric identities, the inverse of cosecant (CSC) is sine (sin) function. hence using the calculator in radians mode, sin 2pi/3 is equal to 2/sqrt 3. Taking the reciprocal of the answer, the final answer is 2 sqrt3 over 3.
8 0
3 years ago
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