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Nesterboy [21]
3 years ago
8

What polynomial identity should be used to prove that 252 = (20 5)2?

Mathematics
1 answer:
sleet_krkn [62]3 years ago
6 0
25² = ( 20 + 5 )² This is the square of a binomial:
( a + b )² = a² + 2 a b + b²
625 = 20² + 2 · 20 · 5 + 5²
625 = 400 + 200 + 25
625 = 625 ( correct )
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5 0
3 years ago
Read 2 more answers
alice Correa bought three yards of cloth to make a dress the cloth was on sale for 1.93 per yard how much did Alice pay for the
Gnoma [55]
<span>Alice Correa bought three yards of cloth to make a dress
The cloth was on sale for 1.93 per yard.
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Let’ solve for the answer
=> 3 yard of clothes were both.
=> Price of clothes are 1.93 dollars per yard
=> then another sales tax is added which is 5%
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</span>



8 0
3 years ago
Holly can walk 3.75 miles per hour. At that same rate, how far can she walk in 2.5 hours?
damaskus [11]
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6 0
4 years ago
Read 2 more answers
2x+6=-72 <br> what does x equal
shepuryov [24]

Answer:

- 39

Step-by-step explanation:

Step 1:

2x + 6 = - 72         Equation

Step 2:

2x = - 78      Subtract 6 on both sides

Step 3:

x = - 78 ÷ 2         Divide

Answer:

x = - 39

Hope This Helps :)

8 0
4 years ago
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