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Ksenya-84 [330]
2 years ago
13

For the following trapezoid, h = 5 ft, b = 7.9 ft, and B = 14.6 ft. What is the area? ​

Mathematics
1 answer:
Bond [772]2 years ago
3 0

Answer:

The area of the trapezoid is 56.25² feet.

Step-by-step explanation:

The formula for the area of a trapezoid is A=\frac{b+B}{2} h

  • A = area (of the trapezoid)
  • b = base of the trapezoid
  • B = (other) base of the trapezoid
  • h = height of the trapezoid

*Note: Trapezoids have 2 bases that are parallel to one another, but are not always the same length.

Using the information given to us, we can simply plug in numbers into the equation. By doing so, we'd get A=\frac{7.9+14.6}{2} 5. By plugging this into a calculator, you'd get A=56.25.

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Baseball hat is on sale for 15% off, which is $2.70. How much does the baseball hat cost at full price?
lidiya [134]

Answer:

27.9 dollars

Step-by-step explanation:

2.70= 15 percent

2.70x2=5.4=30 percent

5.4+2.70=8.1=45 percent

8.1x2=16.2=95 percent

95 percent + 15 percent=18.9

18.9=105 percent

in order to subtract 5 percent we need to find 5 percent by dividing 2.70 by 3

which = .9

18.9+9=27.9

100 percent is 27.9 dollars

4 0
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A publisher reports that 30% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is
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Answer:

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Step-by-step explanation:

The hypothesis :

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pˆ = 0.2

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4 0
3 years ago
Please help me idk this
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Answer:

<h2>h = 18 cm</h2>

Step-by-step explanation:

A=\dfrac{bh}{2}\\\\A=117\ cm^2\\b=13\ cm

Substitute:

117=\dfrac{13h}{2}               <em>multiply both sides by 2</em>

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18=h\to h=18\ cm

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3 years ago
39.99+0.45x=44.99+0.4x​
Gennadij [26K]

Answer:

x=100

Step-by-step explanation:

39.99+0.45x=44.99+0.4x​

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0.05x=5

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Measure of the supplement of angle
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Two supplemental angles add up to 180°
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