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
Marta_Voda [28]
3 years ago
13

HHHEEELLLPPPP MJLTIPLE CHOICE!!

Mathematics
1 answer:
Whitepunk [10]3 years ago
8 0
1. -tanx = cotx
2. -sinx / cosx = cosx / sinx
3. -sin2x = cos2x
4. -sinx = cosx
5. cosx+sinx

Answer is A
You might be interested in
an hourglass is turned over with the top part filled with sand. after 3 minutes, there are 855 ml of sand in the top half. after
Hitman42 [59]

An hourglass is turned over with the top part filled with sand. after 3 minutes, there are 855 ml of sand in the top half. after 10 minutes, there are 750 ml of sand in the top half. This can be represents a two points ( 3, 855) and (10, 750) . using this to solve the slope m = (750-855)/(10-3) = -15. And using one point the equation is y = -15x + 900.

5 0
3 years ago
Read 2 more answers
4(x+2)=30 <br> I need help
mars1129 [50]

Answer:

x = 11/2

Step-by-step explanation:

8 0
3 years ago
In the relation defined by the equation y = x2, for all x &gt; 0, y is a function of x because
Slav-nsk [51]
X cannot be a negative number
7 0
3 years ago
An online music club sells compact discs for $13.95 each plus $1.95 shopping and handling per order. If Maria’s total bill was $
Korvikt [17]

85.65 = 13.95x + 1.95
83.7 = 13.95x
6 = x
6 CDs
3 0
3 years ago
What % of $100 = $90
Harlamova29_29 [7]

Answer: 90%

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Other questions:
  • What is the result when the number 60 is increased by 60%
    10·1 answer
  • Solve the equation. |2x + 4|= 8
    13·1 answer
  • What is the value of the expression [(29+18)+(17-8)]÷8
    10·1 answer
  • What fraction is bigger? 7/10, 1/5, 9/10<br>​
    10·1 answer
  • Lyle has this juice box in his lunch. how much juice does it hold when its full?
    6·1 answer
  • Aline that includes the point (3. 10) has a slope of 4. What is its equation in slope intercept
    8·2 answers
  • What is the equation of the line through the origin and (-4,-9)?
    11·1 answer
  • 20 is less than the difference of 5 and twice x.
    8·1 answer
  • Please help me answer
    5·1 answer
  • If h= 13 units and r= 4 units, then what is the approximate volume of the cone shown above?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!