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Helen [10]
3 years ago
7

How Do I do proofs for proving triangles?

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
4 0
You must have been taught postulates and theorems that allow you to prove triangles congruent, such as SSS, SAS, ASA, etc. Look at the given information of a proof, and see how from the given information, using definitions, postulates, and theorems you have already learned, you can show pairs of corresponding sides and angles to be congruent that will fit into the above methods. Then use one of the methods to prove the triangles congruent.
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If you can help me with this I would be thankful
viva [34]

When a function is compose by its inverse, the result is its original input. Therefore,

f(f^{-1}(x))=x

6 0
1 year ago
4 and 1 third times 6 <br><br>4 1/3 x 6
Elan Coil [88]
26 is the right answer
3 0
3 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
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If the relationship is proportional, what is the missing value from the table?
Rom4ik [11]

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Step-by-step explanation:

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3 years ago
Your uncle won the powerball jack[ot and decided to give you 50000 dollars. You want to save this money for college so you find
Ahat [919]

Answer: $58,088.57

Step-by-step explanation:

The investment is compounded weekly so you need to change the parameters of the equation to a weekly figure:

Interest rate is yearly so:

= 3.75%/52

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Number of periods is 4 years so:

= 4 * 52

= 208 weeks

Future value in 4 years is:

= 50,000 * ( 1 + 3.75/52%)²⁰⁸

= $58,088.57

7 0
3 years ago
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