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Yuliya22 [10]
3 years ago
15

Urgent:

Mathematics
1 answer:
rjkz [21]3 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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PLZ EXPLAIN HOW TO DO THIS
Hitman42 [59]
Hello! Sorry, this took a minute. 

All of the x's are on the same line, and they are equal to 180 degrees. 

2x+x+3x+x=180 

A straight line equals 180. 

Combine like terms. 

7x=180

Divide both sides by 7. 

25.714... round to 25.7

Now, plug that into the angle that is vertical to 2y. (3x)

3(25.7)= 77.1

So, 3x= 77.1 and 2y= 77.1

Plug that in. 

2y=77.1

Divide both sides by 2. 

y=38.55

Round that up to 38.6. 

"D" is the answer.

I hope this helps!
~kaikers
3 0
3 years ago
What is the difference between an estimator and an ​estimate?
natka813 [3]
Yes................................................
4 0
3 years ago
I need to know what the difference of this expression is.<br><br>(4 - 5i) - (12 + 11i)​
Juli2301 [7.4K]

Answer: -10-16i

Step-by-step explanation:

Given

(4-5i)-(12+11i)

Expand parenthesis

2-5i-12-11i

Put like terms together

(2-12)-(5i+11i)

Combine like terms

-10-16i

Hope this helps!! :)

Please let me know if you have any questions

8 0
3 years ago
a proportional relationship is represented on a graph with a line that had a slope of 65. what is the unit rate of the relations
erik [133]

Answer:

65

Step-by-step explanation:

8 0
3 years ago
The following distribution shows the frequency of daily revenue for an Italian restaurant in Wilmington, Delaware. Revenue Frequ
sergejj [24]

Answer:

The probability that a randomly selected day will generate more than $6,000 in revenue is 0.325.

Step-by-step explanation:

The frequency distribution of daily revenue for an Italian restaurant in Wilmington, Delaware is:

     <u>Revenue</u>      <u>Frequency</u>

   Under $2,000        18

$2,000 -  $4,000      10

$4,000 -  $6,000     26

$6,000 -  $8,000      14

$8,000 - $10,000       8

   Over $10,000           4

          Total                 80

The probability of an event <em>E</em> is defined as:

P(E)=\frac{n(E)}{N}

Here,

n (E) = favorable outcome

N = total outcomes

The favorable outcomes of the event <em>X</em> : "more than $6,000 in revenue" is defined as:

n (X) = 14 + 8 + 4 = 26

Total number of outcomes is, <em>N</em> = 80.

Compute the probability of the event <em>X</em> is:

P(X)=\frac{n(X)}{N}=\frac{26}{80}=0.325

Thus, the probability that a randomly selected day will generate more than $6,000 in revenue is 0.325.

6 0
3 years ago
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