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8090 [49]
2 years ago
14

pls help Using the pattern learned for the square of a binomial, square (3x-5y^2) Explain the pattern.

Mathematics
1 answer:
Bess [88]2 years ago
6 0

Step-by-step explanation:

The binomial square product states that

(x  -  y) {}^{2}  = x {}^{2}   -  2xy +  {y}^{2}

So this means

If there a coefficient in front of x are y, we multiple them as well.

In terms, this means that a binomial squared is equal to

The first term squared + the two terms multiplied together and by 2 + the last term squared.

(3x - 5y {}^{2} ) {}^{2}  = 9 {x}^{2}  - 30xy {}^{2}  + 25 {y}^{4}

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Answer:

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Step-by-step explanation:

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2 years ago
Use the net to find the surface area of the regular pyramid.<br><br> plz, help I'm stuck.
Zepler [3.9K]

Answer:

178.3 mm²

Step-by-step explanation:

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5 0
3 years ago
PLZ HELP ASAP <br> Find f(x) if it is known that f(x−3)=0.2x−0.6.
iren [92.7K]

Answer:

f(x) = 0.2x

Step-by-step explanation:

hello :

let : f(x) = ax+b    calculate a  and b

f(x-3) =a(x-3)+b = ax+b-3a.....(*)

given    :  f(x-3) = 0.2x-0.6...(**)

by (*) and(**) :  a= 0.2    and   b-3a = - 0.6

b-3(0.2) = - 0.6

so : b=0

conclusion : f(x) = 0.2x

4 0
3 years ago
Which equation shows the quadratic formula used correctly to solve 5x^2+3x-4=0 for x?
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3 years ago
Ann puts 37 photos in one book and 24 photos in another book. how many photos does she use in all?​
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Answer:
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