anonymous
  • anonymous
The height of a trapezoid is 13 inches, one of the bases measures 22 inches. If the area of the trapezoid is 318.5 square inches, find the length of the other base.
Mathematics
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
A. 2.5 inches B. 71 inches C. 34.25 inches D. 27 inches
anonymous
  • anonymous
@Callisto
Callisto
  • Callisto
|dw:1361590013477:dw|

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More answers

anonymous
  • anonymous
44*13?
Callisto
  • Callisto
Let x be another base area = (x + 22) x height /2 You have area and height. Can you plug in the numbers there and solve for x?
anonymous
  • anonymous
area=318.5 318.5=(x+22)x heoght 2 do i go from there?
anonymous
  • anonymous
ahhh i can awnser its to hard >.<
Callisto
  • Callisto
What is the height?
anonymous
  • anonymous
13inc
Callisto
  • Callisto
So, you get 318.5 = (x+22) x13 Do you know how to solve it?
anonymous
  • anonymous
yes
anonymous
  • anonymous
32.5
anonymous
  • anonymous
thx a lot
anonymous
  • anonymous
wait dont i do (13x+286)
Callisto
  • Callisto
318.5 = (x+22) x13 You can first divide both sides by 13, then subtract 22 from both sides.
anonymous
  • anonymous
ohh ok
anonymous
  • anonymous
2.5
anonymous
  • anonymous
mind helping with 2 more?
anonymous
  • anonymous
Quadrilateral MATH is a square. If MA = 2x – 5 and AT = x + 10, find the perimeter of the square
anonymous
  • anonymous
http://roads.advancedacademics.com/contentserver/content/roadssection/279488/questions/assessments/q-squaresrectanglesrhombiquiz/geometry_unit5_3_quiz_final_20q.gif
anonymous
  • anonymous
can u help?
anonymous
  • anonymous
Well you set 2x-5=x+10

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