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denis-greek [22]
3 years ago
5

86.4 is what percent of 144?

Mathematics
2 answers:
seropon [69]3 years ago
6 0

Answer:

60%

Step-by-step explanation:

divide 86.4 by 144 which will give you 0.60

Alona [7]3 years ago
5 0

Answer:

60%

Step-by-step explanation:

86.4 divided by 144 is 0.60 which is 60%

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Hot dogs come in packages of 10 and hot dog buns come in packages of 8 . What is the least amount of product that you need to Bu
lubasha [3.4K]

This exercise is solved by finding the least common multiple between 10 and 8.


In fact, you have to buy a certain number h of hot dog package, and you will have 10h hot dogs, since there are 10 hot dogs in each package. The key concept here is that the number of hot dogs you have in the end is a multiple of the number of hot dogs in each box.


Similarly, you have to buy a certain number b of hot dog buns package, and you will have 8b hot dogs, since there are 8 hot dog buns in each package. Again, the key concept here is that the number of hot dog buns you have in the end is a multiple of the number of hot dog buns in each box.


Then, you want to have the same number of hot dogs and hot dog buns, i.e. you want


10h = 8b


but you also want h and b to be the first values to satisfy this equation.


This means that you want a multiple of 10 to equal a multiple of 8, and you want the smallest possible number which does the trick. Again, this is exactly the definition of the least common multiple.


To find the least common multiple of two numbers, find their prime factorization, and collect all the primes from both factorizations, with the highest exponent possible. Since 10 = 2\cdot 5 and 8 = 2^3, the primes appearing are 2 and 5. The higher exponent for 2 is 3, and the only exponent for 5 is 1. So, the answer is 2^3\cdot 5 = 40.


So, if you buy 4 packages of hot dogs and 5 packages of hot dog buns, you will have 40 hot dogs and 40 hot dog buns, as requested.

4 0
3 years ago
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The outer angle at the top C of the ABC is 112 °. If the bisector of the side AB intersects the side AC at point Q and the segme
Arisa [49]

Step-by-step explanation:

The outer angle at the top C of the ABC is 112 °. If the bisector of the side AB intersects the side AC at point Q and the segment BQ is perpendicular to AC, find the magnitude of ABC

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2 years ago
There are 10 rolls of film in a box and 3 are defective. two rolls are selected without replacement. what is the probability of
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P(picking one defective) = 3/10
P(picking a 2nd defective) = 2/9


P(1 and 2  defective) = 3/10 x 2/9  = 6/90 = 0.066

Second method using combination:
 ³C₂ / ¹⁰C₂ = 1/15 = 0.066
4 0
3 years ago
Find the HCF of<br> x^2y and x
3241004551 [841]

The highest common factor of x^2 y and x is \boxed{x}

6 0
2 years ago
How to write 31over9 as a decimal​
Arte-miy333 [17]

Answer:

Step-by-step explanation:

  <u>  </u>

3.4 or 3.4 repeating (3.4444444444444444444444∞)

and

3.44 rounded to the hundredth

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