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Dovator [93]
3 years ago
10

2. An expression is shown below.

Mathematics
1 answer:
velikii [3]3 years ago
5 0
The answer is B12 hope this helped
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What is the answer to this question it doesn't state the answer so can you please tell me the answer
DiKsa [7]
I DONT KNOW JUST STRAT WITH THE BEGGINIG OF THE SENTENCE 

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3 years ago
Read 2 more answers
What is it equal to ?
Anna35 [415]

Answer

D is it no others $$

Step-by-step explanation:

5 0
3 years ago
Help please!!!
vaieri [72.5K]
We know that In right angle triangle c^2 = a^2 + b^2.
19^2 = 3^2 + b^2
b = (361 - 9)^1/2 = 18.761663039294
Now for angles
 sin(A) = a/c = 3/19
A = sin{-1}(3/19) = 9.0847202873911
A = 9.0847202873911
sin(B) = b/c = 18.761663039294 / 19
B = sin{-1}(18.761663039294 / 19) = 80.915279712614
B = 80.915279712614

8 0
3 years ago
Ed planned to read 25 pages a day of his favorite book by some deadline. However, he read 8 pages more a day and there were just
GaryK [48]

Answer:

175 pages

Step-by-step explanation:

Let's call 'd' the number of days before the deadline, and 'n' the total number of pages of the book.

We have the following equations:

(1) 25 d = n --> if we multiply the number of pages per day (25) times the number of days (d), we get the total number of pages of the book (n)

(2) (25+8)(d-2)=n-10 --> he reads 8 pages more per day (so, 25+8), for a number of days equal to (d-2) (d is the deadline), and he reads a total of n-10 pages (because only 10 are left)

We can substitute (1) into (2) and we find:

33(d-2)=25d-10\\33d-66=25d-10\\33d-25d=66-10\\8d=56\\d=7

So, the deadline is 7 days, and from eq.(1) we find the number of pages in the book:

n=25d=25 (7)=175


8 0
3 years ago
Which equation represents a line that is a perpendicular bisector to the line joining the points A(3,-4) and B( 5 , -2)?
liq [111]
Answer is third......
3 0
3 years ago
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