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abruzzese [7]
3 years ago
14

What is the area of this trapezoid? Show your work and explain how you solved using First, Next, and Last.

Mathematics
2 answers:
kenny6666 [7]3 years ago
6 0

The answer is 110. You do 9+13/2(10)

Sergeeva-Olga [200]3 years ago
5 0

Answer: am not sure but i tried my best

Step-by-step explanation: 9x9=81 10x10=100 13x13=169 add them all together 350

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In a sample of students, 12 out of 24 students in a class wanted a sandwich for lunch. Using the data from the sample, predict h
natka813 [3]

Answer:

200

Step-by-step explanation:

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8 0
2 years ago
Find the sum of first 20 to terms of an ap in which d is equal to 7 and 20 second term is 149​
GuDViN [60]

Answer:

1370

Step-by-step explanation:

<h3>Given</h3>
  • AP with d= 7 and a₂₂ = 149
<h3>To find</h3>
  • Sum of first 20 terms
<h3>Solution</h3>

<u>First, let's get the value of the first term:</u>

  • aₙ = a + (n-1)d
  • a₂₂ = a + 21d
  • 149 = a + 21*7
  • a = 149 - 147
  • a= 2

<u>Next, let's find the sum of the first 20 terms</u>

  • Sₙ = 1/2n(2a+ (n-1)d)
  • S₂₀ = 1/2*20(2*2 + 19*7) = 10(4 + 133) = 10*137 = 1370

<u>Answer is</u> 1370

6 0
3 years ago
Read 2 more answers
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yarga [219]

Answer:

B. \frac{1}{5}

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7 0
2 years ago
Using a rule why is = to 3 x + 4 find the value of y when x is 2
Alex73 [517]
X=2 so 2+4=6 so y=6. I just gone ovee this unit aswell.
4 0
3 years ago
The ratio of the lengths of and is 2 : 1.
borishaifa [10]
The answer is 2 hopefully this helped
6 0
3 years ago
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