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
ss7ja [257]
3 years ago
11

3r^2-8r-28=0 Solve with quadratic formula

Mathematics
2 answers:
sveticcg [70]3 years ago
8 0
R = 8 +- sqrt(64-4*3*-28) / 6

r = 8 +- sqrt(64--336) / 6

r = 8 +- sqrt(400) / 6

r = (8 +- 20) / 6

r = 14/3 or -2


mestny [16]3 years ago
5 0
(8 plus of minus radical 64 + 216
divided by 
6
(8 + or - 16.73320053)/6

You might be interested in
PLEASE HELP WITH #6 and #8, DUE SOON!!
Oliga [24]

how do i answer that I don't even know that sorry

3 0
3 years ago
Read 2 more answers
A student said thst the distance between (-5,7) and (3,7) is 2 units<br>is the student correct?
Usimov [2.4K]

No.


The distance is |-5 -3| = 8 units. (Y-coordinates are the same, so the distance is measured entirely in the x-direction. Distance is non-negative.)

3 0
3 years ago
Rewrite the decimal in the sentence below as a percentage.
serious [3.7K]

Answer:

0.0066%

Step-by-step explanation:

6 0
2 years ago
one high speed internet provider has a $50 setup fee and costs $30 per month. another has no setup fee and costs $40 per month.
vlabodo [156]

Answer:

y=30x+50 and y=40

Step-by-step explanation:


7 0
3 years ago
Evaluate the difference quotient for the function
Alexeev081 [22]

Answer:

my pp is bigger than the holocaust

Step-by-step explanation:

4 0
3 years ago
Other questions:
  • This week Jerome earned 252.50 in all. What was the dollar amount of the meals that Jerome served
    5·1 answer
  • Calisickleroye9vh also answer this is last one thx
    9·1 answer
  • In testing the effectiveness of an energy drink on the performance of athletes, 50 athletes were given water and 50 athletes
    10·1 answer
  • Please help!!!! ASAP giving brainiest
    8·1 answer
  • Pl help its for homework
    10·1 answer
  • A rectangular parking lot is surrounded on its perimeter by a fence that is 1200 feet long. if the length of a rectangular parki
    13·2 answers
  • Find the distance between (-4,3) and (-1,-5)
    13·1 answer
  • NEED HELP ASAP Find the value of x. Round to the nearest tenths place. ​
    7·1 answer
  • I need these answers!!! will give branliest
    11·1 answer
  • Work out the input for this function machine ​
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!