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True [87]
3 years ago
7

192.5=1/2(26+12.5)h. What is the unknown measure

Mathematics
1 answer:
hram777 [196]3 years ago
8 0

\bf \textit{area of a trapezoid}\\\\ A=\cfrac{h(a+b)}{2}~~ \begin{cases} a,b=\stackrel{bases}{parallel~sides}\\ h=height\\[-0.5em] \hrulefill\\ a=12.5\\ b=26\\ A=192.5 \end{cases}\implies 192.5=\cfrac{h(12.5+26)}{2} \\\\\\ 385=h(12.5+26)\implies 385=38.5h\implies \cfrac{385}{38.5}=h\implies 10=h

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What is the equation of the line, written in slope-intercept form? Show how you determined the equation.
kondor19780726 [428]
The equation of a line is defined by: y=mx+b

Step 1: Find the slope (rise over run) so, the rise is 15.7 and the run is 6. 15.7/6=2.62

y=2.62x+b

Step 2: Find the b value (y intercept) - this is where the line goes through the y axis. In this case, it's 15.7

Step 3: add the slope and the b value together - y=2.62x+15.7
4 0
3 years ago
Plz help me with dis its one question
tatiyna

Answer:

Alix does. See below.

Step-by-step explanation:

Givens

<em><u>Jenny</u></em>

  • b1 = 90 cm
  • b2 = 80 cm
  • height = 23 cm

<em><u>Alex</u></em>

  • b1 = 90 cm
  • b2 = 70 cm
  • height = 27 cm

Formula

For both territories the answer is based on the formula

  • Area = (b1 + b2)*h/2

Solution

<em><u>Jenny</u></em>

  • Area = (90 + 80)23/2
  • Area = 170 * 23 / 2
  • Area = 85 * 23
  • Area = 1955 units.

<em><u>Alex</u></em>

  • Area = (70 + 90)*27/2
  • Area = 160*27 / 2
  • Area = 80* 27
  • Area = 2160

Alix does by 205 cm

7 0
4 years ago
Jennifer was given this problem.
Eva8 [605]

Answer:

hi I was wondering if I could come in

3 0
3 years ago
Solve please. Brainliest for best answer.
NikAS [45]

Answer:

x=7

Step-by-step explanation:

3ˣ⁻⁵=9

3ˣ⁻⁵=3²

x-5=2

x=2+5

x=7

4 0
4 years ago
Read 2 more answers
3x = 1/9 what is x<br> Please respond quick
SOVA2 [1]
X=1/27 decimal form=0.037 repeating
3 0
2 years ago
Read 2 more answers
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