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
Elena L [17]
3 years ago
8

Please answer this I'm giving away all my points.

Mathematics
1 answer:
natka813 [3]3 years ago
7 0

Answer:

the answer is 2

Step-by-step explanation:

You might be interested in
Each course at a community college is worth 1 or 2 credits. A group of students is taking a total of 16 courses that are worth a
Anuta_ua [19.1K]

Answer:

They  are taking 12 2 credit courses

The are taking 4  1 credit courses

Step-by-step explanation:

x = 1 credit courses

y = 2 credit courses

The number of courses is 16

x+y = 16

The number of credits is 28 so multiply the course by the number of credits

1x+2y=28

Subtract the first equation from the second equation

x+2y =28

-x-y=-16

-----------------

y = 12

They  are taking 12 2 credit courses

We still need to find the 1 credit courses

x+y = 16

x+12= 16

Subtract 12 from each side

x-12-12 = 16-12

x =4

The are taking 4  1 credit courses

6 0
3 years ago
Factor y=x^4 +6x^2-7
sasho [114]
(x^2-1)(x^2+7) should be your answer
4 0
3 years ago
What is the median of the data set?<br><br> 12, 25, 16, 9, 5, 22, 27, 20
spin [16.1K]
The answer is 7. 9 + 5 / 2 equals to 7. 9 and 5 and the two middle numbers.
8 0
3 years ago
Read 2 more answers
HELP ASAP TIMED !!!! What is the exact value of cos(c + d), given Sine c = StartFraction 24 Over 25 EndFraction for c in Quadran
Keith_Richards [23]

9514 1404 393

Answer:

  D

Step-by-step explanation:

In the second quadrant, ...

  c = 180° -arcsin(24/25) ≈ 106.26°

In the third quadrant, ...

  d = 360° -arccos(-3/4) ≈ 221.41°

Then cos(c+d) = cos(327.67°) ≈ 0.84498

This is a positive irrational number, greater than 21/100, so the only reasonable choice is the last one:

  \dfrac{21+24\sqrt{7}}{100}\approx 0.84498

_____

Perhaps you want to work this out using the trig identities.

  cos(c) = -√(1 -sin(c)²) = -7/25

  sin(d) = -√(1 -cos(d)²) = -(√7)/4

Then the desired cosine is ...

  cos(c+d) = cos(c)cos(d) -sin(c)sin(d)

  cos(c+d) = (-7/25)(-3/4) -(24/25)(-√7/4)

  cos(c+d) = (21 +24√7)/100 . . . . matches choice D

8 0
3 years ago
Help with this questionnnnnnn
Vadim26 [7]

Answer:

yes this is correct

Step-by-step explanation:

6 0
3 years ago
Other questions:
  • Camilla borrows a book from the library for ddd days. The library charges a late fee of 0.100.100, point, 10 dollars per day tha
    8·2 answers
  • On a math test the mean score is 82 with a standard deviation of 3. A passing score is 70 or greater. Choose a passing score tha
    6·1 answer
  • The measure of angle 4 is 45. If angle 4 is congruent to angle 1, what is the measure of angle 5?
    8·1 answer
  • Simplify <br><br> -a^2(9a^2+4)+8a^4
    6·1 answer
  • Consider the words typically associated with geometry. Are there any words that would be hard to precisely define? What words ca
    8·2 answers
  • Multiple Choice: Please select the best answer
    14·1 answer
  • Which answer is a reasonable estimate to the following problem 94-689 60,000. 70,000. 600,000 700,000
    8·1 answer
  • The product of (3 + 2i) and a complex number is (17 + 7i).
    9·1 answer
  • The point (5, -2) is rotated 90° about the origin. Its image is:
    15·1 answer
  • A wild 30 points appears!
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!