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Scilla [17]
2 years ago
11

MY

Mathematics
1 answer:
Pie2 years ago
4 0

Answer:

<B = 56.25°

Step-by-step explanation:

Reference angle = B

Hypotenuse = AB = 9

Adjacent = BC = 5

Applying trigonometric ratio:

cos (B) = \frac{adj}{hyp}

cos (B) = \frac{5}{9}

B = cos^{-1}(\frac{5}{9})

B = 56.25° (nearest hundredth)

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What is m∠A ?<br><br><br><br><br><br> Enter your answer in the box.<br><br> °
slava [35]
The definition of the interior angles of a triangle states that interior angles of a triangle add up to 180º.

This means we can find the measure of <CED: 

<CED + <ECD + <CDE = 180º
<CED = 180º - <ECD - <CDE
<CED = 180º - 43º - 35º
<CED = 102º

By the definition of vertical angles states that a pair of vertical angles are congruent.

This means <CED = <AEB
If <CED = 102º 
Then <AEB = 102º

By definition of the interior angles of triangles:
<AEB + <EBA + <BAE = 180º

<AEB = 102º
<EBA = 18º

102º + 18º + <BAE(<A) = 180º

<BAE = 180º - 102º - 18º
<BAE = 60º

<BAE is another way to say <A

<span>m∠A  = 60º</span>




5 0
3 years ago
Read 2 more answers
I got zero, but that’s wrong.
meriva

Answer:

Expected value is 4,000

Step-by-step explanation:

To find expected value ⇒ multiply the value by it's probability

40% × ( -25,000 ) = - 10,000

Breaking means neither add nor subtract a given amount

20% × 0 = 0

35% × 40,000 = 14,000

∴ Expected value = -10,000 + 14,000 = 4,000

LOSS:                   -10,000

BREAK EVEN:       0

WIN:                       14,000

Expected value is 4,000

<em>hope this helps....</em>

3 0
2 years ago
an author write 6 pages in one hour how many pages will she write in 5 hours. PLS DO IT STEP BY STEP​
dusya [7]

\huge{\textbf{\textsf{{\color{navy}{An}}{\purple{sw}}{\pink{er}} {\color{pink}{:}}}}}

1 hour = 6 pages

So,

5 hours = 6×5

ㅤㅤㅤㅤ= 30 pages

therefore, She writes 30 pages in 5 hours.

  • Thanks.
  • Hope it helps.
6 0
2 years ago
Read 2 more answers
What is r^3 × x (if r= 5 and x= 6)??????? :)
Brums [2.3K]
R^3 * X
(=) 5^3 * 6
125 * 6
750
4 0
3 years ago
What is the value of 2x if 5x-15=25??
kirill115 [55]

Answer:

16

Step-by-step explanation:

5x-15=25

x=40÷5

x=8

2x=2*8=16

6 0
3 years ago
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