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MrRissso [65]
3 years ago
8

Which is a composite number A. 81 B. 41 C. 61 D. 71

Mathematics
2 answers:
UNO [17]3 years ago
6 0
A,81 because if you try checking 81 will be the only composite number im in 6 grade.....

bearhunter [10]3 years ago
3 0

Answer:

Well, then... In that case I'll just use this question to get free points. ^^

But the answer is 81. :)

Step-by-step explanation:

(( I'll give you people a quite pretty Minecraft Sunset though. <3 ))

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What is the greatest common factor of 20x^4 and 6x^3<br><br> X^3<br> X^4<br> 2x^3<br> 2x^4
Lesechka [4]
The GCF of 20x^4 and 6x^3 would be " 2x^3 " 
3 0
3 years ago
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For which acute angle are the sine of the angle and cosine of the angle equal? 30º 45º 60º 75º
Damm [24]
Hello

sin ..... | 0° |30°|45°|60°|90°|
...........| 0...| 1..| 2..|  3..| 4..|  write numbers
...........| 0...| 1..|√2.| √3 | 2..| take root square
...........| 0...|1/2|√2/2|√3/2|1| divide by 2
...........| 0...|1/2|√2/2|√3/2|1| .....
cos.....| 90°|60°|45°|30°| 0°|

sin (75°)
=sin(30°+45°)=sin 30°*cos 45° +cos 30°*sin 45°
....................  =1/2*√2/2            +  √3/2*√2/2
....................   = √2(1+√3)/4

cos 75°
=cos(30°+45°)=cos 30°*cos 45°-sin 30°*cos 45°
=√3/2*√2/2-1/2*√2/2
=√6/4-√2/4=√2/4*(√3 -1 )

5 0
3 years ago
How can you do a picture using 2.8÷7
Margarita [4]
The answer to this question is 0.4

7 0
3 years ago
In a certain Algebra 2 class of 29 students, 13 of them play basketball and 7 of them play baseball. There are 4 students who pl
Inessa [10]

Answer:

16/29

Step-by-step explanation:

P(A∪B) = P(A) + P(B) - P(A∩B)

P(basketball or baseball) = P(basketball) + P(baseball) - P(both)

= (13/29) + (7/29) - (4/29)

= 16/29

The probability that a randomly chosen student plays either sport is 16/29.

3 0
3 years ago
What percent of 82.5 is 21.12
Travka [436]
<span>21.12 is 25.6% of 82.5</span>

hope this helps!! :)
have a good day!! :D
plz mark brainliest!! XD
8 0
3 years ago
Read 2 more answers
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