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xxMikexx [17]
3 years ago
5

Use order of operation and the mathematical properties of numbers to simplify these numbers (3+2^2)^2 =

Mathematics
2 answers:
Art [367]3 years ago
3 0

Answer:

49

Step-by-step explanation:

(3+2²)²

(3+4)²

(7)²

49

ludmilkaskok [199]3 years ago
3 0

Answer:

Your answer is 49.

Step-by-step explanation:

What you do first is you have to do the exponent in the parenthesis first.

2^2=4 so it will be (3+4)^2.

You will then add 3 and 4 together in the parenthesis to get (7)^2.

You will then square 7 to get 49 as your answer.

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Sean tossed a coin off a bridge into the stream below. The path of the coin can be represented by the equation h = -16t2 + 72t +
boyakko [2]

Answer:

  about 5.613 seconds

Step-by-step explanation:

Using the quadratic formula to find the value of t when h = 0, we have ...

  at² +bt +c = 0

  t = (-b±√(b²-4ac))/(2a)

  t = (-72±√(72² -4(-16)(100)))/(2(-16))

  t = (-72±√11584)/-32 = (9±√181)/4

Only the positive value of t is of interest.

  The coin will hit the stream after (9+√181)/4 seconds ≈ 5.613 seconds.

4 0
3 years ago
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Furkat [3]

Answer:

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Step-by-step explanation:

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3 years ago
A rainwater collection barrel has the dimensions shown.
Kipish [7]

Answer:

56

Step-by-step explanation:

if it is lenght by width then you would multiply the two numbers

8 0
3 years ago
Read 2 more answers
Use a number line to solve 5+7
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3 years ago
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3 years ago
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