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Nady [450]
2 years ago
12

Factor the expression: 20b - 16

Mathematics
2 answers:
mafiozo [28]2 years ago
6 0
When factoring this expression 20b-16, find the GCF (greatest common factor) among both terms. For this case, it is 4 which is the GCF. Therefore,

20b - 15 is equal to 4(5b - 4)

The factors of the expression are 4 and 5b-4.

I hope my answer has come to your help. Thank you for posting your question here in Brainly.
murzikaleks [220]2 years ago
3 0
I hope this helps you



4 (5b-4)
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How do you find the missing number of a perfect square trinomial?<br><br> 25x^2 - 60x + ___
Harrizon [31]

Answer:

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Step-by-step explanation:

Compare what you have to the square ...

  (a +b)^2 = a^2 +2ab +b^2

Your "a" is √(25x^2) = 5x

Your "2ab" is -60x. Since you know "a", you can find "b".

  2ab = -60x

  2(5x)b = -60x . . . . . . . substitute for "a"

  b = -60x/(10x) = -6

Then the missing term is b^2 = (-6)^2 = 36.

Your trinomial is ...

  25x^2 -60x +<u>36</u>

4 0
2 years ago
Solve for x. <br>2x/9 = -65 <br><br>a) x = -292 1/2 <br>b) x = -14 4/9 <br>c) x = 292 1/2
Ludmilka [50]

Answer:

A) -292.5

Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
Five years ago, Victor was twice as old as his daughter Anika. In 10 years, the sum of their ages will equal 90. Find their ages
frozen [14]

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Step-by-step explanation:

Given

Five years ago victor was twice as old as his daughter

Suppose the current age of victor and his daughter are x and y

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\Rightarrow (y-5)=2(x-5)\\\Rightarrow y-5=2x-10\\\Rightarrow y=2x-5\\\Rightarrow 2x-y=5\quad \ldots(i)

In 10 years sum of their ages is 90

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On solving (i) and (ii) we get

\Rightarrow x=25,y=45

So, the current age of victor is 45 and his daughter is 25

8 0
2 years ago
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denpristay [2]
1/4 x 16 = 4 min
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8 0
3 years ago
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Snowcat [4.5K]
You look at the sign behind the second term. Here are some examples...

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You are going to subtract 4 - 5 because there is a negative sign behind the 5.
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4 0
3 years ago
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