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3 years ago

Select two ratios that are equivalent to 8:20

Mathematics

2 answers:

DedPeter [7]3 years ago

3 0

Answer:

The answer is B, C, and D

Step-by-step explanation:

If you simplify each of those ratios, they'll be equivalent

IRINA_888 [86]3 years ago

3 0

Answer:

B and C

Step-by-step explanation

The first one is B because 2/8 is 4 and 10/20 is 10

The second one is C because 8x3 is 24 and 20x3 is 60

My teacher always says everything you do to one side you have to do to the other :)

Hope this helps! :D

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3 years ago

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4 years ago

Identify all of the root(s) of g(x) = (x2 + 3x - 4)(x2 - 4x + 29)

vichka [17]

Answer:

x=-4,1,2+5i,2-5i

Step-by-step explanation:

Given is an algebraic expression g(x) as product of two functions.

Hence solutions will be the combined solutions of two quadratic products

$g(x) = (x^2 + 3x - 4)(x^2 - 4x + 29)\\$

I expression can be factorised as

$(x+4)(x-1)$

Hence one set of solutions are

x=-4,1

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and hence use formulae

$x=\frac{4+/-\sqrt{16-116} }{2} =2+5i, 2-5i$

5 0

4 years ago