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MariettaO [177]
3 years ago
14

Please just help me now! Offering 59 Brainly points!

Mathematics
2 answers:
Svetach [21]3 years ago
7 0

Answer: I think its 3rd one !

Step-by-step explanation:

nevsk [136]3 years ago
5 0

Answer:

number 2

Step-by-step explanation:

brainly plz

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3[(11-6) 2 squared divided by5]
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12 use a calculator i did it
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Darlene wrote this proof of the identity (x+y)^2-(x-y)^2=4xy. Which of the following is a justification for step 5 for her proof
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A bird traveled 4 miles north before stopping to rest. The bird then flew 2,640 yards south in search of food. Finally, it flew
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5. A painter uses paint and thinner in the ratio 60:40. He uses 15 litres of paint to paint a house. How much thinner will he us
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3 0
4 years ago
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Explain why it would not make sense to approximate 256 using the binomial theorem for the binomial (20 + 5)6.
Olenka [21]

The formula for the Binomial Theorem with a power 6 is as:

(x+y)^6=x^6+6x^5y+15x^4y^2+20x^3y^3+15x^2y^4+6xy^5+y^6

Thus, if we plug in 20 for x and 5 for y, our first term itself will be 20^6=64000000 which is much greater than 256 and thus it will not make any sense to use (20+5)^6 to approximate 256 using the binomial theorem.

Also, it will not make any sense to use (20+5)6 as that has no power and we know that Binomial Theorem makes use of Power. Anyway, (20+5)6=150\neq 256.

Our best bet here would be to use the equation with power 8:

(x+y)^8=x^8+8x^7y+28x^6y^2+56x^5y^3+70x^4y^4+56x^3y^8+28x^2y^6+7xy^7+y^8

and have x=1 and y=1 which will give us

(1+1)^8=1^8+8(1)^7(1)+28(1)^6(1)^2+56(1)^5(1)^3+70(1)^4(1)^4+56(1)^3(1)^8+28(1)^2(1)^6+7(1)(1)^7+(1)^8 =256

5 0
4 years ago
Read 2 more answers
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