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Bad White [126]
2 years ago
15

7th grade math help me pleasee :))

Mathematics
1 answer:
77julia77 [94]2 years ago
5 0

Answer:

step 1 communative property

Step-by-step explanation:

just look it up I forget about this

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mote1985 [20]

Answer:

k=4

Step-by-step explanation:

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Equations for height of trapezoid
devlian [24]

Answer:

h= \frac{\sqrt{(-a+b+c+d)(a-b+c+d)(a-b+c-d)(a-b-c+d)}}{2|b-a|}

Step-by-step explanation:

  • The height (or altitude) is the perpendicular distance between the bases.
  • In the case that the two bases have different lengths (a ≠ b), the height of a trapezoid h can be determined by the length of its four sides using the formula

h= \frac{\sqrt{(-a+b+c+d)(a-b+c+d)(a-b+c-d)(a-b-c+d)}}{2|b-a|}

where c and d are the lengths of the legs.

Keywords: height of trapezoid

Learn more height of trapezoid from brainly.com/question/3616164

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7 0
3 years ago
Find the value of the variables. If your answer is not an integer, leave it in simplest radical form.
stepladder [879]

We know that we can use trigonometry to solve for x here.

If we use tangent, we can solve for x directly:

tan(theta)=\frac{opposite}{adjacent}

tan(60)=\frac{x}{6}

6*tan(60)=x

x=6\sqrt{3}

So therefore we have solve for x, which is D) 6\sqrt{3}.

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What is the discount and sale price of a $300 item that has been discounted at 10%?
telo118 [61]

Answer:

Discount: $30 off

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Step-by-step explanation:

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or

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2 years ago
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Studentka2010 [4]

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Step-by-step explanation:

x^2=100

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3 years ago
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