1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Molodets [167]
3 years ago
12

Given right triangle ABC which of the following statements must be true? Check all that apply.

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
5 0

Answer:

Option A. <A and <B are complementary angles

Option D. Sin(C)=Cos(90\°-C)

Step-by-step explanation:

we know that

If ABC is a right triangle

then

------> by complementary angles

and

Sin(C)=Cos(A)

Cos(C)=Sin(A)

Remember that

A=90\°-C

so

Sin(C)=Cos(90\°-C)

Cos(C)=Sin(90\°-C)

You might be interested in
8) 4.8.12.5.10. -17.
ASHA 777 [7]

Answer:

1) 1     3     7     13    21     31     43  ( +2, +4, +6, +8, +10 и т.д.)

 

2) 255   127   63   31   15   7   3   (число -1, а затем полученное число :2)

 

3)92   46   44   22   20   10   8   4   (  :2, -2, :2, -2, :2, -2 и т.д.)                                   

 

4) 1   2   4   7   28   33    198 (+1, *2, +3, *4, +5, *6, +7, *8 и т.д)

5)3   7   6   7   9   7   12   7   15   7  (первое, третье, пятое и т.д. числа +3; между ними 7)

 

6) 6   8   11   13   16   18   21   23  (+2, +3, +2, +3 и т.д.)

 

7)1   4   8   13   19   26   34  43  (+3, +4, +5, +6, +7, +8 и т.д.)

 

8)128   64   32   16   8   4   2  (:2, :2, :2, :2 и т.д.)

9)3   4   8   17   33   58   94 (+1, +4, +9, +16, +25, +36 и т.д. (т.е. то, что прибавляется-увеличивается на                         +3, +5,  +7,  +9,   +11, и т.д.))

 

10)47   39   32   26   21   17   14   12  (-8, -7, -6, -5, -4, -3 и т.д.)

 

11)256   37   64   31   16   25   4   19  (первое, третье, пятое и т.д. числа :4; а второе, четвертое, шестое и т.д. числа -6)

 

12)5   9   13   17   21   25   29  (+4, +4, +4, +4, +4 и т.д.)

 

13)1   4   3   6   5   8   7   10  (+3, -1, +3, -1, +3, -1 и т.д.)

 

14)2   4   6   12   14   28   30   60   (*2, +2, *2, +2, *2, +2 и т.д.)

 

15)11   12   10   13   9   14   8   15  (+1, -2, +3, -4, +5, -6, +7, -8 и т.д.)

Step-by-step explanation:

8 0
3 years ago
A new pain reliever is advertised as being 97%
Likurg_2 [28]

Answer:

B. 0.694

Step-by-step explanation:

Probability is the ratio of the number of possible outcome to the number of total outcome.

Given that the pain reliever is advertised as being 97%  effective, for it to be effective in 12 independent trials

= (97%) ^ 12

= 0.693842361

The is approximately 0.694 to 3 decimal places

6 0
3 years ago
Read 2 more answers
Workers at a quarry are removing rock at a daily rate of 0.1%. There are 3.2 tons of rock when the work begins.
Tanzania [10]

Answer: C

Step-by-step explanation:

use the x and y

6 0
3 years ago
Read 2 more answers
Which equation is represented by the graph below?
kirill115 [55]

Answer:

y = \frac{2}{3}x + 6

Step-by-step explanation:

8 0
3 years ago
Perpendicular lines are always, sometimes , never coplanar
daser333 [38]

They are always on a coplanar

8 0
3 years ago
Read 2 more answers
Other questions:
  • If f(x) = 4x - 20, what is f(4)?<br> O A. -12<br> O B. 4<br> O C. 16<br> O D.-4
    8·2 answers
  • C. 132.59<br> D. 134.24<br> Math question please help
    15·1 answer
  • a normal distribution with a mean of 85 and a standard deviation of 12. What is the proportion between 80 and 90? u =85 s =12. P
    5·1 answer
  • PLEASE HELP!!!! 20 POINTS!!!!
    13·1 answer
  • The angle measurements in the diagram are represented by the following expressions.
    13·1 answer
  • the average weight of 6 people is 173, a 7th person gets on and now the average weight is 165, how much did the 7th person weigh
    5·2 answers
  • Solve the system of equations -4x+11=15 and x=2y
    8·1 answer
  • Amanda's first four test scores are 77, 95, 84, and 69. What does Amanda need to score on the next test to have at least an 82 a
    7·2 answers
  • Two rational numbers between 3 and 4
    14·2 answers
  • Write the number 110 as a sum of hundreds tens
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!