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ELEN [110]
3 years ago
6

Is 10/50 equivalent to 4/20

Mathematics
2 answers:
Ghella [55]3 years ago
7 0


We can go about this 2 ways - YOU can choose which way you find easier.

Way 1 ) Align each fraction next to each other and see what numbers go into each numerator and denominator - I'll show you what I mean :)

10/50                   4/20

2 can go into each number, so you'd find out how many times 2 goes into the numerators and denominators, then reduce it little by little.

5/25                     2/10

You keep repeating this process, but not with 2! You'd get a wrong answer! You constantly change numbers. And the same numbers are not used for both fractions all the time.

1/5                         1/5

Would you look at that! Your fractions WERE equivalent after all! But, if you'd like, you can use Way 2 below

Way 2 )

Divide each numerator by their denominator - I'll show you how

10 ÷ 50 = 0.2, or, 20%

4 ÷ 20 = 0.2, or, 20% also.

Look! Each answer is equivalent!

Now, this way is the way I like to do it, because it has fewer steps and is so easy! I hope this was very useful to you and I hope this helps! :D

horrorfan [7]3 years ago
5 0

Yes.

-- Take 10/50.

-- Divide numerator and denominator by 2.5 ,
   (Or multiply them by  0.4 .)

-- You now have  4/20 .

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Alex, Bob, and Cole have a combined weight of 111 kilograms. If Alex weighs 44 kg, and Bob weighs three-forth of Alex's weight,
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Answer:34

Step-by-step explanation:

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Answer:

<u>The correct answer is B. ∠X = 28.6°, ∠Y = 31.2°, ∠Z = 120.2°</u>

Step-by-step explanation:

Let's recall that for solving a SSS triangle, we :

1. Use the Law of Cosines first to calculate one of the angles

2. Use The Law of Cosines again to find another angle

3. Finally use angles of a triangle add to 180° to find the last angle.

1. Cos x = (9² + 15² - 8.3²/2 * 9 * 15)

Cos x = (81 + 225 - 68.89/270)

Cos x = 0.878

x = Cos ⁻¹ (0.878)

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2. Cos y = (8.3² + 15² - 9²/2 * 8.3 * 15)

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Cos y = 0.855

x = Cos ⁻¹ (0.855)

x = 31.2° (rounding to the next tenth)

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<u>The correct answer is B. ∠X = 28.6°, ∠Y = 31.2°, ∠Z = 120.2°</u>

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Step-by-step explanation:

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