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
Paha777 [63]
3 years ago
10

23. 10c2 - 21c = -4c + 6

Mathematics
1 answer:
laila [671]3 years ago
7 0

Answer:

c = 2  or c  = -3/10

Step-by-step explanation:

23. 10c2 - 21c = -4c + 6

10*cc  - 21c  = -4c + 6

10cc  - 21c + 4c - 6 = 0

10cc - 17c - 6 = 0

c =  17/20  +  root (17*17 - 4*10 *(-6)) / 20

c = 17/20 + 23/20

c = 2  or  c = -6/20 = -3/10

You might be interested in
a 4 sided cube, numbered 1-4, is rolled twice. Determine the sample space. how many possible outcomes are there?
kherson [118]

Answer:

16

Step-by-step explanation:

1        1

1        2

1        3

1        4

2        1

2        2

2        3  

2        4

Three and four are done exactly the same way. the total is 16 ways.  

3 0
3 years ago
Let f(x) = –4x and g(x) = 5x2. Andrew finds the composition [f o g](x) as shown below. What error did Andrew make? = 5(–4x)2 = 5
Elden [556K]
F(g(x)) means you take the g function and put it into x in the f function.  He took the function and put it into the g, which was the incorrect order.  He should have had this: f(g(x))=-4(5x^2)
7 0
3 years ago
Read 2 more answers
NEED HELP ASAP!!!!!
pashok25 [27]
D. Because 5 and 5 could land on any
6 0
3 years ago
Read 2 more answers
In a certain urban are, the relationship between , number of students ,x, in thousands, and the number schools, y, has an x-inte
chubhunter [2.5K]

Answer:

-12 = 3x - 4y

Step-by-step explanation:

Two points on the graph are (-4, 0) and (0, 3).  Moving from the first point to the second, we see x (the 'run') increase by 4 and y (the 'rise') increase by 3.  Thus, the slope of this line is m = rise / run = 3/4.

Using the point slope form, we get:

y - 3 = (3/4)(x - 0), or

4y - 12 = 3x, or

-12 = 3x - 4y (which is in Standard Form).

6 0
3 years ago
Plzzzzzz help right answer gets brainly
vampirchik [111]

Answer:

Step-by-step explanation:

5 0
3 years ago
Other questions:
  • A riverboat travels downriver (with the current) at a speed of 15 km/h. The current is 3km/h. To someone on the shore, how fast
    6·2 answers
  • What is the decimal 0.77 written into a fraction?
    11·2 answers
  • What are the solutions to x2 + 8x + 7 =0?
    8·1 answer
  • Name each polygon. Determine if it appears to be regular or not regular, pentagon
    9·1 answer
  • 8/9 Divided by 6/9 = ?<br> A. 17/54<br><br><br> B. 16/27<br><br><br> C. 4/3<br><br><br> D. 24/5
    6·1 answer
  • In smallest to largest please help me
    8·1 answer
  • I need help w/ this please help me!!
    9·2 answers
  • Marissa is painting her rectangular patio, with the exception of a bench that does not need to be painted:
    6·1 answer
  • A researcher is interested in determining if a psychic really has power to predict. The researcher takes four cards, each of a d
    15·1 answer
  • Write 4 1/7 as an improper fraction?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!