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ahrayia [7]
3 years ago
6

If m∠ACD = 136° and m∠B = 42°, Find m∠A.

Mathematics
1 answer:
miss Akunina [59]3 years ago
3 0

Answer:

2°

Step-by-step explanation:

Hello

I see you are very confused by this problem. However, there is an easy way to solve this one.

It has been proved that the sum of all angles in a rectangle is always 180°. Here is a way to prove it:

x y

_______A_________

/\

/ \

/ \

/ \

___/_______ \__

B C

we have two parellel lines xy and BC. It is true that:

xAy = 180°

xAB + BAC + CAy = xAy = 180

xAB = ABC

CAy= ACB

=> ........

I'll let you finish with your great intellect ^_^

HOPE YOU LEARN WITH JOY AND GOOD GRADE

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nadya68 [22]
Hi lol I don’t understand you’re question I need more context
8 0
2 years ago
I need to do this now
zhannawk [14.2K]

Answer:

4.55294117. If you want it rounded look below.

Step-by-step explanation:

-Rounded-

Hundredths:4.55

Tenth: 4.6

Thousandth: 4.553

Whole Number: 5

Hope this helps. :D

8 0
3 years ago
Find P(A or B) if the events are disjointed. P(A) =6/25 , and P(B) =9/25 .
nevsk [136]
Here, "disjointed" signifiies that Event A and Event B are independent; neither outcome influences the other.  In such a case, the union of A and B is given by the sum of the two probabilities P(A) and P(B).

Here, that sum is P(A or B) = 6/25 + 9/25, or 15/25, or 0.6.


8 0
3 years ago
Read 2 more answers
Help please :))))))))​
docker41 [41]

Answer: 35/24 is the answer for the first part only.

Use calculator soup on google search to answer the rest.

Step-by-step explanation:

3 0
3 years ago
Through (-1,-1), slope of 4 what is the standard form equation of the line through the given point with a given slope
Vinvika [58]

Answer:

The equation of the line is -4x + y = 3

Step-by-step explanation:

Since we have the slope, we can use it and either point in point-slope form and solve for the standard form of the equation.

y - y1 = m(x - x1)

y - -1 = 4(x - -1)

y + 1 = 4(x + 1)

y + 1 = 4x + 4

-4x + y + 1 = 4

-4x + y = 3


3 0
3 years ago
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