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weqwewe [10]
2 years ago
12

What is the solution to the equation 9r=4/7

Mathematics
2 answers:
Vera_Pavlovna [14]2 years ago
8 0

Answer:

r=4/63

Step-by-step explanation:

Divide each term in 9r=47 by 9 and simplify.

ivanzaharov [21]2 years ago
4 0

Answer:

r=\frac{4}{63}

Step-by-step explanation:

1) Divide both sides by the same factor

9r=\frac{4}{7}

\frac{9r}{9} =\frac{\frac{4}{7} }{9}

2) Simplify

  • Cancel terms that are in both the numerator and denominator

\frac{9r}{9} =\frac{\frac{4}{7} }{9}

r=\frac{\frac{4}{7} }{9}

  • Divide the numbers

r=\frac{\frac{4}{7} }{9}

r=\frac{4}{63}

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4 0
3 years ago
when ashley buys 7 postage stamp booklets she gets 140 stamps.she get 60 stamps in three booklets. write an equation to find the
Andreyy89
We can put this information into two equations:

7 booklets = 140 stamps
3 booklets = 60 stamps

Let us then focus on one equation to find the relationship:

7 booklets = 140 stamps

If we put that into a fraction, we get \frac{7}{140} or \frac{1}{20}.

This means that for every booklet, Ashley gets 20 stamps; or rather, each booklet has 20 stamps.

We can then see that this relationship holds true for the second equation as well:

\frac{3}{60} or \frac{1}{20}.

To write a general equation for this relationship using p for the number of postage stamps, and b for the number of booklets:

p = 20b

Where b is equal to p.
5 0
3 years ago
If the measure of a central angle is 28°, then to find the measure of its arc, you would need to do which of the following?
MaRussiya [10]

It is A. nothing, They are Equal


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5 0
3 years ago
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he says the number of books in the box is divisible by 2,3,4,5,6 . how many books could be in the box?
8_murik_8 [283]
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Factorise : x^2+x-72 Step by Step​
Ivan

Answer:

(x + 9)(x - 8)

Step-by-step explanation:

f(x) = x^2 + x - 72

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     = (x^2 - 8x) + (9x - 72)

     = x(x - 8) + 9(x - 8)

     = (x + 9)(x - 8)

4 0
3 years ago
Read 2 more answers
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