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algol13
3 years ago
15

Can someone help me​

Mathematics
1 answer:
sashaice [31]3 years ago
8 0

Answer:

16.25

Step-by-step explanation:

6.5 + 5 = 32.5/2 = 16.25

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Which fraction has a terminating decimal?<br> - 11/19<br> - 4/7<br> - 1/3<br> - 3/150
babunello [35]
<h3>Answer: D) 3/150</h3>

==========================================================

Explanation:

With the use of a calculator, we see that,

  • 11/19 = 0.57894736842106...., the decimals eventually repeat; but unfortunately my calculator ran out of room to show the repeating portion
  • 4/7 = 0.5714285714285714..., the block "571428" repeats forever
  • 1/3 = 0.333333.... the 3s go on forever
  • 3/150 = 0.02

So 3/150 converts to the terminating decimal 0.02

The word "terminate" means "stop". In the other decimal values, the decimal digits go on forever repeating the patterns mentioned.

----------------------

A non-calculator approach will have us simplify 3/150 into 1/50 after dividing both parts by the GCF 3. Then notice how 50 has the prime factorization of 2*5*5. The fact that the denominator 50 can be factored in terms of only 2's and 5's is enough evidence to conclude that the fraction converts to a terminating decimal.

If the denominator factors into some other primes, other than 2s and 5s, then we don't have a terminating decimal. So that's why 11/19, 4/7 and 1/3 convert to non-terminating decimals.

6 0
3 years ago
Divide mentally 3,200/80=
uysha [10]
It is 40 40. 40 is the answer


7 0
3 years ago
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A city with a population of 800,000 has been growing at a rate of 7% per year. If this rate continues, find the population of th
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Answer:

Step-by-step explanation:

Population(pop) = 800,000 people

Growth rate=7℅

Pop growth in a year= ((100+7)÷100) × 800000 =856000people

Pop in 20 years = 856000×20

=17,120,000 people

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9x-3=5-(x-8)
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4 0
3 years ago
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Svetach [21]

Answer:

Step-by-step explanation:

John had some number of apples. Niyati his girlfriend wanted 12 of johns apples. John gave niyati 3/4s of his apples what was his starting amount?

3 0
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