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arlik [135]
3 years ago
14

Find the height of a trapezoid if b1= 2x + 1 and b2 = x+4 and the area = 3x2 + 5x Show all your work for full credit.

Mathematics
1 answer:
Advocard [28]3 years ago
5 0
A = 1/2 h (b1+b2)
so
h = 2A / (b1+b2)
h = [2(3x^2 + 5x)] / (2x + 1 + <span>x + 4)
h = (6x^2 + 10x)/(3x +5)
h = 2x(3x + 5)/(3x +5)
h = 2x

answer: </span><span>height of a trapezoid = 2x</span>
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X= 12(.7)^x(exponent)
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4 0
3 years ago
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Find the value of the expression<br><br> dc + 2h<br><br><br> for c = 2, d = 3, and h = 3.
iren2701 [21]

Answer:

12

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

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  2. Parenthesis
  3. Exponents
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  5. Division
  6. Addition
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Step-by-step explanation:

<u>Step 1: Define</u>

dc + 2h

c = 2

d = 3

h = 3

<u>Step 2: Evaluate</u>

  1. Substitute:                        3(2) + 2(3)
  2. Multiply:                            6 + 6
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7 0
3 years ago
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I will give thanks and five stars to the person that helps me.
pentagon [3]

Answer:

Third option is correct!

Step-by-step explanation:

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or, x<9

so

x = {3,4,5,6}

8 0
3 years ago
Kevin says that “a line segment is the part of a line containing two endpoints.” What additional information is needed to make t
kakasveta [241]

The statement "That does not extend in both directions." will make the definition, precise.

Kevin's line segment definition is correct.

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So, to make it precise;

Kevin needs to include that the line segment does not extend in both directions, in the definition.

Hence, option (c) is correct.

Read more about line segments at:

brainly.com/question/19203823

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Answer:

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8 0
3 years ago
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