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deff fn [24]
3 years ago
7

Guys please help with 5 and 6 please. A lot of points

Mathematics
1 answer:
Nimfa-mama [501]3 years ago
6 0
5) Perimeter equals all the sides, and a rectangle has two pairs of equal length sides. If one side is 10 and the other is n, the perimeter would be 2n+20.
Area equals length times width, in this case 10 times n, which just equals 10n.

We can use the same logic for 6.
(7)+(7)+(y+2)+(y+2) = 2y+18 for the perimeter

You just have to use the distributive property to find the area, but it’s still length times width.

7(y+2) = 7y + 14.


Tl;dr
5: 2n+20 and 10n
6: 2y+18 and 7y+14

Hope this helps!
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Answer:

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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.

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Answer: 5; PO

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Step-by-step explanation:

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