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Yuliya22 [10]
2 years ago
15

Urgent:

Mathematics
1 answer:
rjkz [21]2 years ago
5 0

Step-by-step explanation:

<h3>Given:</h3>
  • CM ⊥ AB
  • ∠3 = ∠4
<h3>To prove: </h3>
  • △AMC ≅ △BMC
<h3>Solution:</h3>
  • ∠ACM≅∠BCM - given

<u>CM⊥AB - given, therefore</u>

  • ∠AMC = 90° and ∠BMC = 90°

<u>Then</u>

  • ∠AMC ≅ ∠BMC
  • Side CM is common, therefore is congruent to itself

<u>So we have congruent two angles and a side between them on triangles AMC and BMC:</u>

  • △AMC ≅ △BMC as per ASA congruency theorem
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Can someone please help!
11Alexandr11 [23.1K]

Answer:

(x, y ) → (- y, - x )

Step-by-step explanation:

Consider the coordinates of corresponding vertices of the 2 triangles, that is

A(1, 7 ) → D(- 7, - 1 )

Note the coordinates of D are the negative reversals of A

Thus (x, y ) → (- y, - x )

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2 years ago
Simplify expression show step by step <br> (-2i)(8i)
TiliK225 [7]

Answer:

16

Step-by-step explanation:

<u>Remember that i^2 = -1 </u>

(-2i)(8i)

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3 years ago
PLEASE HELP FAST!!!
Rus_ich [418]

\\ \sf\longmapsto 3s-5+2s+25=170

\\ \sf\longmapsto 5s+20=170

\\ \sf\longmapsto 5s=170-20

\\ \sf\longmapsto 5s=150

\\ \sf\longmapsto s=30

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2 years ago
Check out the photo for the question
Anestetic [448]

Answer:

50

Step-by-step explanation:

42/n³∑k²+12/n²∑k+30/n∑1

=42/n³[n(n+1)(2n+1)/6]+12/n²[n(n+1)/2]+30/n [n]

=7n(n+1)(2n+1)/n³+6n(n+1)/n²+30

=7(n+1)(2n+1)/n²+6(n+1)/n+30

=[7(2n²+3n+1)+6(n²+n)+30n²]/n²

=[14n²+21n+7+6n²+6n+30n²]/n²

=[50n²+27n+7]/n²

=[50+27/n+7/n²]

→50 as n→∞

because 1/n,1/n²→0 as n→∞

4 0
3 years ago
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What is the graph of the solution to the following compound inequality?
ohaa [14]

Answer:

<h2>C.</h2>

Step-by-step explanation:

<, > - open circle

≤, ≥ - solid circle

<, ≤ - draw to the left

>, ≥ - draw to the right

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3 0
3 years ago
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