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Schach [20]
2 years ago
9

How many lines of symmetry does this rectangle have? A. 1 B. 2 C. 3 D. 4 E. 5

Mathematics
1 answer:
Alex_Xolod [135]2 years ago
4 0

Answer:

A rectangle has 4 sides with C: Two Lines of Symmetry.

Step-by-step explanation:

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A person who wants to get in shape goes to a local gym that advertises 31 training sessions for $1179. Find the cost of 101 trai
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$3841.26

Step-by-step explanation:

The first step is to find the price of a single session. 1179/31 is about $38.03. Multiplying this by 101, you get about $3841.26. Hope this helps!

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What is the distance between -13 and 13 on a number line
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26 units

Step-by-step explanation:

Due to:

in the rect line, left to zero = 13 (absolute value)

in the rect line, right to zero = 13 (absolute value)

So the sum of each absolute value is the distance.

Best regards

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the simple intrest earned on $500,000 invested for eighteen months is $90,000 what was the interest rate?​
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3 years ago
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What is the greatest common factor (GCF) of 64 and 12
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3 years ago
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at maximum speed, an airplane travels 1720 miles against th wind in 5 hours. Flying with the wind, the plane can travel the same
iragen [17]

Answer:

x = 387

Step-by-step explanation:

The wind acts in the opposite direction to the plane when the time is longer.

The wind acts in the same direction as the plane when the time is shorter.

Equation

d = r*t

Givens

  • d = 1720
  • x = plane's speed
  • y = wind speed
  • t1 = 5 hours
  • t2 = 4 hours.

Substitution

  • d = (x + y) * t
  • 1720 = (x + y) * 4
  • 1720 = (x - y) * 5

Since the two distances are the same, you can equate the right hand sides.

  • (x + y) * 4 = (x - y)*5              Remove the brackets.
  • 4x + 4y = 5x - 5y                  Add 5y to both sides
  • 4x + 4y + 5y = 5x - 5y + 5y  Combine all the terms.
  • 4x + 9y = 5x                          Subtract 4x from both sides
  • 9y + 4x - 4x = 5x - 4x           Combine
  • 9y = x

Now use one of the given equations with the distance

  • 1720 = (x + y)*4           Substitute 9y for x
  • 1720 = (9y + y) *  4      Combine
  • 1720 = 10y * 4             Multiply the right
  • 1720 = 40y                  Divide by 40
  • 1720/40 = 40y/40      Do the division
  • 43 = y                          y = wind speek
  • 9y = x                          x = 9*y  
  • 9*43 = x
  • x = 387 miles per hour.
4 0
3 years ago
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