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marin [14]
4 years ago
15

Write the ratio 28 to 56 in simplest form

Mathematics
2 answers:
Artyom0805 [142]4 years ago
7 0
You can divide each number by 7, so:

28/56 = 4/8, which can be simplified again to 1/2
Andre45 [30]4 years ago
6 0
The ratio shown in fraction form would be; \frac{28}{56}

Now to convert it to its simplest form, you need to find their greatest common factor; (so in this case it would be 28...cause 28 goes into 56 evenly)
*Now divide both terms by 28

28 ÷ 28 = 1
56 ÷ 28 = 2
 
so your ratio 28 to 56 in simplest form is.. \frac{1}{2}
Hope this helps :)
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Use substitution to write an equivalent quadratic equation.
Anna [14]

Answer:

  z^2 +7z -8 = 0

Step-by-step explanation:

Let z = 3x+2. Then we can substitute z wherever we see 3x+2.

  z^2 +7z -8 = 0 . . . . equivalent quadratic

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This is easily factored to ...

  (z -1)(z +8) = 0

So, the original quadratic has solutions ...

  (3x +2) -1 = 0

  x = -1/3

and

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4 0
4 years ago
Domingo picks up 5 coins from his collection of quarters and nickel. Is it possible for him to pick up exactly $0.50
anygoal [31]

Answer:

No it is not possible.

Step-by-step explanation:

1 quarter plus 1 quarter equals 50 cents but that is only two coins

1 quarter plus 5 nickels is too many coins but equals 50 cents

6 0
3 years ago
True or false if a x b=0 the either a=0 or b=0 pls help!!
musickatia [10]

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5 0
3 years ago
When factoring x2 – 3xy + 2y2 by grouping the first step can be:
blagie [28]

Answer:

x^2 – 3xy + 2y^2

Step-by-step explanation:

Factor the following:

x^2 - 3 x y + 2 y^2

Hint: | Factor the quadratic x^2 - 3 x y + 2 y^2.

The factors of 2 that sum to -3 are -1 and -2. So, x^2 - 3 x y + 2 y^2 = (x - 1 y) (x - 2 y):

Answer:  (x - y) (x - 2 y)

8 0
3 years ago
Nicholas sent a chain letter to his friends, asking them to forward the letter to more friends. Every 121212 weeks, the number o
Genrish500 [490]

Answer:

Since the question is incomplete, see below for a fully understanding of this kind of questions.

Explanation:

The question is incomplete but you can set some assumptions and determine the function that model the situation.

The relevant data of the text are:

  • Every 12 weeks, the number of people who receive the email increases by and additional 99%

From that you can:

  • determine the growing factor
  • determine the function P, which depends of the amount of time t (weeks) and models the function
<h2 /><h2>Solution</h2>

You can build a table or write a sequence to help you to figure out what is going on:

First, you need to know the number of friens to whom NIcholas initially sent the chain letter. You must assume a number. Assuming Nicholas initially sent the chain letter to 10 frirends, this would be the table:

t (weeks)       P(t)

0                    10

12                   10 + 99% of 10 = 10 + 0.99× 10 = 10 (1.99)

24                   10(1.99)(1.99) = 10 (1.99)²   ↔ two times 12 weeks

36                   10(1.99)³                             ↔ three times 12 weeks

This is every 12 weeks the number of people who recieve the email is multiplied by 1.99.

That means that the grow factor is 1.99 every 12 weeks, and the power of the exponential function is the number of 12 weeks elapsed, which is t divided by 12: t/12

           P(t)=10(1.99)^{(t/12)}

It is important that you realize that t/12 means the number of times that 12 weeks elapse.

6 0
3 years ago
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