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
GenaCL600 [577]
3 years ago
7

Evaluate: cos ω, if tan ω = - 4/3 and sin ω > 0

Mathematics
1 answer:
polet [3.4K]3 years ago
6 0

Answer:

-3/5

Step-by-step explanation:

tan = opp/adj using pathagorean the hypt is 5

cos = 3/5

tan is negative in quad 2 and 4

sin is positive in quad 1 and 2

so because tan is negative and sine is positive the cosine is negative

-3/5

You might be interested in
Write down the equation of a straight line that is parallel to y = 4x+2
ELEN [110]

Answer:

y = 4x + 5

Step-by-step explanation:

anything with the slope of 4x is parallel to the given equation. therefore, there are an infinite amount of answers.

<u>so, y = 4x + any number</u>

hope this helps!<3

4 0
2 years ago
It takes me into 30 minutes to walk from home to school when walking at 5 km per hour What is her average cycling speed If it ta
GREYUIT [131]

Answer:

10 km/h

Step-by-step explanation:

I'm not really sure about this but no ones answering your question and I wanna help.

So basically to calculate the average speed you need to divide the distance travelled by time taken

But you do not have the distance traveled. But it is mentioned that it takes u 30 minutes to walk from home to school when walking at 5 km/h so to find the distance all you have to do is... 30 x 5 = 150 km

Now that we have the time and distance all we have to do is find the average speed.

Average Speed = distance ÷ time

So 150 ÷ 15 = 10 km/h

3 0
3 years ago
The cost function in a computer manufacturing plant is C(x) = 0.28x^2-0.7x+1, where C(x) is the cost per hour in millions of dol
Licemer1 [7]

9514 1404 393

Answer:

  $562,500 per hour

Step-by-step explanation:

The cost will be a minimum where C'(x) = 0.

 C'(x) = 0.56x -0.7 = 0

  x = 0.7/0.56 = 1.25

The cost at that production point is ...

  C(1.25) = (0.28×1.25 -0.7)1.25 +1 = -0.35×1.25 +1 = 0.5625

The minimum production cost is $562,500 per hour for production of 1250 items per hour.

_____

<em>Additional comment</em>

This is different than the minimum cost <em>per item</em>. This level of production gives a per-item cost of $450. The minimum cost per item is $358.30 at a production level of 1890 per hour.

5 0
2 years ago
Please Help me, I will give brainiest and 100 points
8_murik_8 [283]

Answer:

3242

Step-by-step explanation:

6

7 0
2 years ago
4x + 1/3 y 2 what is the value of the expression above when x = 2 and y = 3
GenaCL600 [577]
Hoi!

To solve this, first plug in the values for x and y.

x = 2, so anywhere you see x, put 2 in its place.

y = 3, so anywhere you see y, put 3 in its place.

4(2) +  \frac{1}{2}(3)

4 × 2 = 8

\frac{1}{2} × 3 = 1 \frac{1}{2}


8 +1 \frac{1}{2} = 9 \frac{1}{2}

9 \frac{1}{2} is your answer.



4 0
3 years ago
Read 2 more answers
Other questions:
  • The diagram below, circumscribed about quadrilateral DEFG What is the value of x
    12·1 answer
  • The sum of four consecutive odd numbers is 368 find the numbers​
    6·1 answer
  • (27 points)I need 2 answers and how would I do this is the future
    13·1 answer
  • The fourth term in an arithmetic sequence is 18 and the seventh term is 42. if the first term is a1, which is an equation for th
    12·2 answers
  • Evaluate each expression if m = 2, n = 16, and g = 1/5.
    15·1 answer
  • How do you do this? show work please.
    11·1 answer
  • Help me please, kinda lost
    11·1 answer
  • 80/91 + 5/9 in fraction pls
    5·2 answers
  • The Green Goober, a wildly unpopular superhero, mixes 3 liters of yellow paint with 5 liters of blue paint to make 8 liters of s
    13·2 answers
  • What is 6.387 rounded to the nearest tenth and the nearest hundredth?
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!