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Verdich [7]
3 years ago
6

Determine LCM and HCF of 72 and 108 by prime factorisation​

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
6 0

Answer:

8x9 and 12x9

Step-by-step explanation:

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PLEASE HELP!!!!!!!!!!!!!!!!ASAP!!!!!!!!!!NOW!!!!!!!!!!RIGHT AWAY!!!!!!!!
sukhopar [10]

Answer:

(a)it is

Step-by-step explanation:

this is because ABC and SDC are both right angle triangles

8 0
3 years ago
tom has a large photo he wants to shrink to wallet size its width is 20 centimeters and its length is 30 centimeters if he wants
Dafna11 [192]
The length should be 7.5 centimeters
7 0
3 years ago
12<br> Fill in the blank: What's the length of the missing<br> side?<br> Ilype your answer
Kisachek [45]

Answer:

13

Step-by-step explanation:

Using Pythagoras Theorem:

a^2+b^2=c^2

Substitute values of a and b:

5^2+12^2=25+144=169

c^2=169\\c=13

The length of the missing side is 13.

8 0
3 years ago
In how many ways can a
Tomtit [17]

Answer:

The answer is 364. There are 364 ways of choosing a recorder, a facilitator and a questioner froma club containing 14 members.

This is a Combination problem.  

Combination is a branch of mathematics that deals with the problem relating to the number of iterations which allows one to select a sample of elements which we can term "<em>r</em>" from a collection or a group of distinct objects which we can name "<em>n</em>". The rules here are that replacements are not allowed and sample elements may be chosen in any order.

Step-by-step explanation:

Step I

The formula is given as

C (n,r) = \frac{n}{r} = \frac{n!}{(r!(n-r)!)}

n (objects) = 14

r (sample) = 3

Step 2 - Insert Figures

C (14, 3) = (\frac{14}{3}) = \frac{14!}{(3!(14-3)!)}

= \frac{87178291200}{(6 X 39916800)}

= \frac{87178291200}{239500800}

= 364

Step 3

The total number of ways a recorder, a facilitator and a questioner can be chosen in a club containing 14 members therefore is 364.

Cheers!

6 0
3 years ago
Kira walks 8hole and one half blocks in 17 minutes.if kira continues to walk at the steady pace, how many blocks will she walk e
ZanzabumX [31]
8 1-and-a-half blocks would be 12 blocks, and so 12/17, because 12 blocks in 17 mins., so you divide 12 by 17 to get ---- blocks per minute, which is 12/17 as a fraction, or approx. 0.705882353 blocks per minute.
7 0
3 years ago
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