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ELEN [110]
3 years ago
13

Ratio and proportion practice

Mathematics
1 answer:
fenix001 [56]3 years ago
3 0

Let’s put this into a proportion.

4/40=x/50

Remember it says solve using unit rates so we can simplify 4/40 to 1/10

1/10=x/50

Now we can cross multiply.

10·x = 1·50

10x=50

X=5

Hope that helped!

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Find a polynomial function that has the given zeros. (there are many correct answers.) 0, 1, 6
aev [14]
Since those are the zeros, we can say that the equation would have to be
x(x-1)(x-6), then we just expand to get x^3 - 7x^2 + 6x
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Steve can run 1 2/9 miles in 10 minutes. How many miles can he run in 30 minutes?
mariarad [96]

Answer:

3 2/3

Step-by-step explanation:

remember to give me brainliest cause I helped you

 

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How many three letter permutations can be formed from the first five letters of the alphabet?
Vsevolod [243]

Answer:

There are 60 permutations that can be formed from the first five letters of the alphabet.

Step-by-step explanation:

The number of three letter permutations that can be formed from the first five letters of the alphabet is 5P_{3}.

5P_{3} =\frac{5!}{(5-3)!}

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= 60

Hence, there are 60 permutations that can be formed from the first five letters of the alphabet.

6 0
3 years ago
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KatRina [158]

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7 0
3 years ago
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What’s the greatest common factor of 48 and 96
Anna35 [415]

Hi!


Let's factor these numbers to find the GCF.


48/2 = 24

24/2 = 12

12/2 = 6

6/2 = 3

3/3 = 1

2 · 2 · 2 · 2 · 3


96/2 = 48

48/2 = 24

24/2 = 12

12/2 = 6

6/2 = 3

3/3 = 1

2 · 2 · 2 · 2 · 2 · 3


The common factors that they share is 2 · 2 · 2 · 2 · 3


Multiply them and you get 48


The answer is 48.


Hope this helps! :)

-Peredhel

3 0
3 years ago
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